Index

Page numbers in italics refer to Figures. Page numbers in bold refer to Tables.

Achmelvich Field 26, 27, 28 Andrew Formation 9, 11 Bacton Group 193, 220, 285 Acorn Field 10, 349 Lomond Field 511 Bacton Terminal 119, 120 cross-section 351 Moira Field 875 Bains Field 321, 322, 335 database 353 Morag Field 898 location map 308 development 349 Andrew Sandstone Member 10 Balder Formation 12 exploration history 349 Alba Field 639, 639 Catcher Field 399, 408 location map 350 Merganser Field 600 Chestnut 416 porosity v. permeability 356 Renee Field 779 Donan Field 724 production history and resources Rubie Field 790, 792, 793, 794, 796 Gryphon area fields 841, 842, 843 356–357 Shearwater satellites 592 Howe and Bardolino fields 471, 473 regional context 349–352 Stella Field 609, 610, 611, 612, 613, 614 Mariner Field 889 reservoir and petrophysics 353–355 Angus Field 489, 490 Rubie Field 793, 795, 797 seismic data 353 Ann Field 21 Tullich Field 837 stratigraphy 351 Ansdell Mudstone Member 309, 312, 324 Balek Field 658–662 summary 358 Apollo Field 262 Ballindalloch Field trap 353 Appleby Group 64, 324 development 839 Agar Field 863 Appleton Field 489 exploration history and appraisal 837–838 Alba Field 10, 637, 664, 718 Arbroath Field 21, 391 location map 838 core photographs 644 location map 480 summary 848 database 640–643 Ardmore Field 4, 11, 489, 490, 899 Balloch Field 11, 717 development plan 637 see also Alma Field cross-section 718 exploration history and appraisal 637 Argyll Field 4, 11, 21, 23, 360, 489, 490, development 724 location map 638, 665 491, 492, 899 exploration history and appraisal 720 porosity–permeability 646 chronostratigraphy 491 location map 718 production history and reserves see also Alma Field production history and reserves 645–649, 646 Arkwright Field 391 735–737, 736 regional context 639 location map 480 regional context 724–725 reservoir and petrophysics 643–645 Artemis Field 262 reservoir and petrophysics 731–733 seismic section 638, 641, 647 Arundel Field 448 seismic line 728 stratigraphy 638 Athena Field 768 summary 737–738 summary 649 Atlantic Field 652, 668, 740 well correlation 732 trap 639–640 Atlantic Margin fields 12–13 Balmoral Field 12, 718 Alba Sands 637 Auk Field 23, 489, 490, 899 Balmoral Sandstone 793 Alba Field 639 Auk Formation Donan Field 718, 726 Albury Field 75 Alma Field 362, 362, 364 Lochranza Field 715 Albuskjell Field 489 facies associations 493 MacCulloch Field 729 Alder Field 664, 665, 680 Morag Field 898 Balmoral Tuffite 793, 798 Aller Halite Formation 152, 220 porosity/permeability 367 Banff Sub-Basin 652 Alligin Field 23, 980 reservoir properties 494 Banquo accumulation 916, 917 Alma (formerly Argyll/Ardmore) Field 4, Austen Field 383 Bardolino Field 10 11, 489, 490, 899 Austrian Orogeny 665, 666 compartmentalization 477 database 365–366 Aviat Field 479, 479 database 469 exploration history 360–361 location map 413, 480 development 468, 474 location 360, 361 Avington Field 75 exploration history 468 production history and reserves location map 469, 480 368, 368 Babbage Field 8 production history 476–477 regional context 361–362 database 108 regional context 468–469 reservoirs 366–368 seismic data 108–109 reservoir and petrophysics 469, 471–472 stratigraphy 362, 365 seismic sections 112 seismic section 475 structure 361–362 wells 108 structural elements 471, 475 summary 369–370 development 98 summary 478 well correlations 363, 364 exploration history 97–98 trap 472 Alpha Field 479, 479 map 97 Barque Field 21 Alpine faults 229 porosity/permeability data 106 Barra Field 25, 907 Alpine Orogeny 124, 194, 290, 336 production history and reserves Basalanhydrite Formation 124, 193, 220 diapir growth 593 106–107, 107 Base Cretaceous Unconformity (BCU) 375, Alpine Orogeny inversion 277 regional context 98–100 377, 420, 740, 797 Alton Sandstone 133, 135, 139 reservoir and petrophysics 102–105 Acorn/Beechnut Field 352, 430 Alvheim Field 838, 863 reservoir pressure 106 Buchan Field 684 Alwyn Field 12, 863 stratigraphy 105 Dunlin Field 819 Amethyst East Field 218 summary 107–108 Edradour Field 953 Amethyst Field 218 trap 101–102 Gryphon area fields 841 Amethyst West Field 218 well correlation 99 Hutton Field 854 Andrew Field 668 Bacchus Field 470, 479, 479 Jura discovery 720 location map 413 location map 413, 480 Maria Field 879 1064 INDEX

Base Cretaceous Unconformity (BCU) Blane Field 10, 12, 382 Brenda Field 718 (Continued) database 383 Brent Field 9, 21, 815 Penguins cluster 910, 921 development 382 location map 851, 917 Perth Field 774 exploration history 382 Brent Formation 19 Wood, Cayley, Godwin, Shaw fields 618, location map 383 Brent Group 12, 816 620 oil–water contact 383–384 Dunlin Cluster 820, 822, 823 Base Ketch Unconformity (BKU) 152 porosity v. permeability 387 Hutton Field 850, 852, 852, 853 Base Permian Unconformity (BPU) 8, 86, production history and reserves Pelican Field 906, 907, 907, 908, 909, 158, 231, 263, 264, 266, 292 386–388, 388 909, 910, 913 depth map 242, 244 regional context 382 Penguins cluster 916, 918, 919, 922, 922, Base Quaternary Unconformity 339, 340 reservoir and petrophysics 384–386 923, 924 Beaconhill Flags 57, 58 seismic section 385 Brent Province 11 Beauly Field 12, 718 stratigraphy 384 Brent Sandstone 814 Beauly Formation, Gryphon area fields 841 summary 389 Brent Spar 24, 26 Beechnut Field 10 trap 383 Bressay Field 863 reservoir and petrophysics 355–356 well correlations 387 Bressay granite 868, 869 summary 358–359 Blenheim Field 718 Brigg–Glandford–Broughton High 55 well correlations 357 Bleo Holm 651 Brimmond Field 479, 479 Bel Air well 27 Bletchingley Field 75 Britannia Field 11, 664, 668, 718 Bentley Field 863 Block 6 Field 814, 815 Aptian palaeogeography 670 Beryl Embayment Bluebeard Field 863 database 666–668 palaeogeography of Paleocene 843 Blythe Field 21 development 664 stratigraphy 840 Boa Field 863 exploration history and appraisal 665 structural map 840 Boatswain Field 863 location map 413, 652, 665, 680 turbidity currents 843 Bosun Field 664, 665, 668 porosity–permeability 672 Beryl Field 838, 863 Bothamsall Field 45 production facilities 666 Big Dotty Field 189, 191, 198 Bottlenose Field 560 production history and reserves 675–677, location map 189, 203 Boulby Formation 84 675, 676 see also Little Dotty Field Boulby Mine 899 regional context 664–666 Billingham Formation 84 Boulton Field reservoir and petrophysics 670, Birch Field 718 location map 226 672–673, 675 Birgitta (Fiddich) Field 10, 371 stratigraphy 227 seismic section 670, 671 database 375 Bowhead Field 560 source rock 666 development 371 Bowland Basin 64, 64 stratigraphy 667 exploration history 371 Bowland Shale Formation summary 677–678 location map 371, 391 Douglas Field 309 top reservoir depth map 665 regional context 371–372, 374–375 Elswick Field 62, 66 trap 668, 670 reservoir and petrophysics 376–379, 376 Hewett Field 192 well correlations 674 resources 379–380 Kilmar Field 245 well log 669 seismic section 374 Bowmore Field 768 Britannia Sandstone Formation 670 stratigraphy 373 Boyle Field 838 British Gas 23 summary 380–381 Braemar Field 838 British Gas Corporation 23 trap 375–376 Bravo Field 479, 479 British National Oil Corporation 22, 23 Bittern Sandstone Member, Catcher Field Breagh Field 7, 8, 22 Britoil 23 399, 400 database 113–114 Brockelschiefer Member 193, 220 Black Sail Member 953, 955 development 111–112 Brockham Field 75 Edradour Field 954, 955 exploration history 109–111 Brodgar Field 652, 668, 680 Blackpool Mudstone 324 introduction 109 location map 665 Bladon Field 718 map 110, 112 Brooks, John R.V. ix Blair Field 718 porosity–permeability plots 115 Broom Field 815 Blake Field (Blake Channel & Blake Flank) production history and reserves location map 851 11, 651, 668 115–116, 116 Broom Formation cross-section 657 regional context 112 Dunlin Cluster 823 database 654–655 reservoir and petrophysics 114–115 Pelican Field 910 development 651 seismic section 113 Penguins cluster 918 exploration history and appraisal 651 stratigraphy 111 Brotherton Formation 84 location map 652, 706 summary 116–117 Bruce Field 863 regional context 651–654 trap 114 Buchan Field 652, 679, 794 reservoir and petrophysics 656–658 well correlation 114 database 682–683 seismic line 656 well logs 113 development 681 stratigraphy 654, 655 Brechin Field 10, 390 exploration history 679, 681 structure map 652 database 392 fault framework 687 summary 662–663 development 390 location map 680 trap 568, 655–656 exploration history 390 porosity–permeability 687 well logs 659 location map 391, 480 production history and reserves Blakeney Field 10 porosity v. permeability 395 688–689, 688 database 564 production history and reserves regional context 681–682 exploration history 561 396, 397 reservoir and petrophysics 683–688, location map 560 regional context 391–392 686 reservoir and petrophysics 569–570 reservoir and petrophysics 392–394, 396 seismic section 684 seal 564 seismic section 393 stratigraphy 682, 685 stratigraphy 563 summary 397–398 summary 689–690 summary 571–572 thin sections 395 top reservoir map 680 trap 564 trap 392 trap 683 INDEX 1065

Buchan Formation 10 Caister Coal Formation 133, 151, 152, exploration history 399–401 Alma Field 360, 361, 362, 362, 363 152, 158 location map 400 Buchan Field 679 Kilmar Field 245 porosity v. permeability data 409 images 365 Wingate Field 288, 291, 294 production history and reserves 409–410 porosity/permeability 367 Caister Field 226 regional context 401–403 reservoir properties 366–367 Calder Field 321, 322, 335 reservoir and petrophysics 407–409 Buchan Graben 694 location map 308 seismic database 403–406, 404, 405 Buchan Sub-Basin 652 Caledonia Field 664, 718 stratigraphy 401 Bugle Field 768 location map 413, 665 summary 411 Bunnehaven Field 23 Callanish Field 680 trap 407–409 Bunter Graben 192, 192, 193 location map 413, 665 TWT structure map 402 Bunter Sandstone Formation 7, 22, 25, 163, Callater well 25 Caterpillar Field 838 164, 167, 189, 195, 199, 220, Calloway Field 383 Causeway Field 815, 907 229, 285 Cambo Field 13, 23, 953, 959, 968 Cavendish Field 8 character 197 Camelot North Field 21 burial plot 138 depositional environment 165 Canister–Murdoch System 132 database 134–135 reservoir properties 198 Captain Field 6, 11, 668, 705 development 132–133 top depth structure map 192 database 706–708 exploration history 131–132 Bunter Shale Formation 164, 193, 220, 285 development 705–706 gas composition 133 Carrach Field 120 enhanced oil recovery 713, 714 introduction 131 Burghley Field 12, 807 exploration history and appraisal 705 map 131 database 808 field map 709 porosity–permeability plot 137, 138 development 807–808 location map 652, 706 production history and reserves 137–139 exploration history 807 production history and reserves 711–714 production profile 139 location map 808 regional context 706 regional context production history and reserves 810, regional cross-section 708, 712 basin evolution 133 811, 812 reservoir and petrophysics 708, 710–711 source 133–134 regional context 808 seismic data 707, 710 stratigraphy 133 reservoir and petrophysics 810, 811 stratigraphy 707 reservoir and petrophysics 136–137 seismic line 809 summary 715–716 depositional model 136–137 stratigraphy 808 trap 708 facies 136 summary 812–813 well data 707 reservoir quality 137 trap 407–409, 809 Captain Sandstone Member 11, 740 seismic section 135 Burgman Field 10, 399 Blake Field 651, 653, 653, 657–658, 657, stratigraphy 132 development 401 658 summary 139–140 exploration history 400–401 Captain Field 705 trap 135–136 location map 400 Goldeneye Field 755, 759, 759, 760 well correlation 134 production history and reserves Captain Sandstones 713 Cayley Field 6, 10 409–410 Captain Field 706, 708, 710–711 cross-section 621 regional context 403 carbon capture and storage (CCS) xii, 11, database 623 seismic database 404, 405 13–14, 163, 190, 192 development 619–620 summary 411 Goldeneye Field 762, 764 exploration history 617–618, 618 TWT structure map 402 carbon dioxide sequestration 7 faults 625 Burns Formation, Morag Field 898 carbon-13 isotope maturity indicator 229 location map 618 Burns Sandstone Member 740, 741, 744, Carboniferous 133 porosity and permeability 631 745, 746, 746, 747, 748, 751–752 pattern of sedimentation 112 production history and reserves 631–632 Buzzard Field 691, 694 Carnoustie Field 414, 414, 417, 899 reservoir petrophysics 626, 629 Captain Field 705, 706, 708 location map 480 reservoir quality 629 Buzzard Field 11, 25, 26, 27, 652, Carra Field 560 stratigraphy 622 691, 742 Carrack Field 8, 119 summary 632–633 channel architecture 699 database 120, 122 trap 623–625 cross-section 696 development 119–120 well logs 628 database 694–695 exploration history 119 Celtic Sea Basin 20,24 depositional model 698 fault patterns 121 Central Graben xii, 10–11 development 693–694 location map 120 Central North Sea (CNS) 9–11 exploration history and appraisal production history and reserves exploration activity 19, 20, 21, 21 691–693 127–128, 128 Forties Sandstone Member fields 9–10 facies analysis 697 regional context 120 HPHT play 9, 22–23 major faults 691 reservoir and petrophysics 124–125, location 20 porosity–permeability data 700 127–128 megasequences 22 production history and reserves 699–701, reservoir properties 127 performance 24–25 701, 703 seismic sections 123, 124 pod–inter-pod play 6, 10 regional context 694 stratigraphy 122 salt diapir fields 9 reservoir and petrophysics 695–699 summary 128–129 stratigraphy 391 seismic section 696 trap 122, 124 well count 21 stratigraphy 692 well correlations 126 Chalk Formation 9 summary 703–704 well data 122 Chalk Group trap 695 well log 125 Carrack Field 120, 124 well correlations 693 Carrack Formation Catcher Field 401 Buzzard Graben 694 Blake Field 651 Hewett Field 194 Buzzard Sandstones 742, 744 Captain Field Juliet Field 220 Carrick Field 560 Machar Field 523, 524, 526, 527–528 Cadeby Formation 83 Catcher Field 10, 26, 399 Maria Field 755 Caister B Field 21 development 401 Mariner Field 889 1066 INDEX

Chalk Group (Continued) Claymore Field 668, 718, 768, 899 seismic section 59 Merganser Field 602 Claymore Sandstone Member 11 source rock 57–58 Mungo Field 540, 542, 544, 545 Perth Field 767, 769, 772 stratigraphy 57 Pierce Field 554–555 Cleaver Bank High 120, 228 structure 58 Rubie Field 797 Cleaver Formation 220 summary 61 reservoir properties 422 Cleeton North Field 264 trap 58 Scoter Field 602 Cleveland Basin 7–9, 83 well logs 60 Shearwater Field 577 Cleveleys Mudstone 324 Crossans Field 335 Shearwater satellites 592 Clipper Field 21, 120 Cullen Enquiry 23 Silver Pit Basin 229 Clyde Field 489 Culzean Field 9, 424 Stella Field 609, 610, 615 Cold Hanworth Field 55, 217 database 426, 428–429 Western Platform 562 Collyhurst Sandstone Formation 9, 27, 62, development 424–425, 433, 433 Chanter Field 718, 768 64, 64, 65, 67, 307, 324, 336 exploration history 424 Charlie Field 479 Colsay Sandstone Member location map 425 Chestnut Field 10, 413, 640, 718 reservoir character 984–985, 987 porosity v. permeability 431 database 415–418 Rosebank Field 980, 981, 982, 982, 983 regional context 426 development 414 Columbus Field 511, 512 reservoir and petrophysics 430–433 exploration history 142, 413–414 Continental Shelf Act (1964) 19 seismic section 428, 429 location map 413, 665 Conwy Field 24, 308, 321, 322 stratigraphy 427 production history and reserves Conybeare Group 152, 220, 263 summary 434 421–422, 421 Carrach Field 120, 125, 127 trap 429–430 regional context 415 Coracle Sandstone Member 11 well logs 430, 431 reservoir and petrophysics 419–421 Blake Field 651, 656–657, 657 Culzean well 24, 26, 27, 31 seismic sections 416 Corbenic well 25 Cumbrian Coast Group 64, 324 stratigraphy 415 core collection 3 Cutter Field 119, 120 summary 422 Core Perth Field 767 Cygnus Field 7, 8, 22 top reservoir depth 414 forecast annualized production 777 database 153–154 trap 418–419 planned development wells 776 development 151 wells 414, 420 pressure–depth plot 776 exploration history 151 Chiswick Field 8, 142 resources 775 location 151, 152 Base Permian Unconformity 144 Cormorant East Field 815 porosity and permeability data 158 database 144, 146 Cormorant Formation 12 production history and reserves 160–161 development 142–143 Penguins cluster 916, 919, 920–921, 922, regional context 151–153 location map 143, 226 923, 924 reservoir and petrophysics 155–159 production history and reserves 148–149 Cormorant North Field 815 seismic section 156, 157 regional context 143–144 Corona Ridge 982 summary 161–162 reservoir and petrophysics 148 Corringham Field 45 trap 154–155 seismic section 145 location 46 well correlations 157, 160 stratigraphy 145 production history 49-50 Cyrus Field 413 structure map 147 summary 51–52 summary 149–150 Courageous Field 383 Dalton Field 321, 322, 335 trap 146, 148 Cragganmore Field 23, 980 location map 308 well production rates 147 Craven Group 152 Dandy Fields 560, 560 Cimmerian Orogeny 193 Crawford Field 899 reservoir and petrophysics 565 Clachan Field 851 location map 838 seismic section 561 Cladhan Field 907 Crawford Ridge (Spur) 840 trap 564 Clair Field 13, 24, 931, 953, 980 Crawshaw Sandstone 132, 133, 135, Darwen Field 335 biodegradation 934–935, 935 136, 139 Darwin Field 850 cross-section 938 Crinan Field 560, 560 exploration history and appraisal database 935–936 reservoir and petrophysics 565 850–851 development 933 seismic section 561 location map 851 exploration history and appraisal Cromarty Field 652, 668 summary 859–860 931–933 Cromarty Sandstone Member Dawn Field 189 location map 932, 959, 968 Catcher Field 399, 400, 403, 408 location map 189, 203 porosity–permeability 942, 942 Rubie Field 790, 792, 793, 794, 795, 797, see also Little Dotty Field pressure relationships 944, 944 798, 798, 800 Dekeyser faults 8, 106, 113, 273, 276, 277, production history and reserves 946 Cromarty Sub-Basin 652 278, 278, 279 regional context 934–935 Cromer Knoll Group Carrack Field 122 reservoir and petrophysics 938, Carrack Field 120 Deborah Field 189, 191 940–946 Juliet Field 220 location map 189, 203 seismic sections 936, 936, 937 Renee Field 785 see also Little Dotty Field source rocks 934 Rubie Field 797 Deckanhydrit 193 structure 937–938 Sean Field 257 decommissioning, problems of 24, 26 summary 947–949 Shearwater Field 579 Dee Field 706 trap 936–938 Tolmount Field 265 Deidre Field 205 well correlations 939 Crosby Warren Field 7 Delilah Field 189 Clair Group 932, 934 appraisal and development 55–56 location map 189, 203 depositional setting 938, 940 database 58 see also Little Dotty Field tectonostratigraphy 939 exploration history 55 Della Field 189, 191 Clair Ridge 931, 932, 933, 933, 945, introduction 55 location map 189, 203 947–949 map 55, 56 see also Little Dotty Field Clair South Field 31, 933, 937, 947–949 production history and reserves 59–61 Delta Field 479 correlation diagram 941 regional context 56–57 Devenick Field 838 pressure history 945 reservoir and petrophysics 58–59 Deveron Field 815 INDEX 1067

Dolphin Field 768 Dunlin North West Field see Osprey Field summary 571–572 Donan (Dumbarton) Field 4, 11, 717 Dunlin SW Field 814, 815, 822 trap 564, 568 3D seismic dataset 719 exploration history 814 Elm Field 718 cross-section 718 Durango Field 21 Elswick Field 9, 62 database 726–727 database 67 development 720, 722, 724 Eakring oilfield 45 exploration history 62 exploration history and appraisal Eakring–Dukeswood Field 7 lithostratigraphic correlation 64 717–719 East Deemster Basin Fault 309 map 63 location map 718 East Irish Sea Basin 9, 20,23–24, 27, porosity–permeability 70 production history and reserves 733–735, 309, 311, 320–321, 321, 323, production history and reserves 70–71 733–735, 734, 736 335–336, 336 regional context regional context 724–725 nitrogen 338 stratigraphy 62, 64 reservoir penetration 723 stratigraphy 336 structure 64, 66 reservoir and petrophysics 728–731 East Midland Shelf 120, 276, 277 reservoir and petrophysics 69–70 seismic line 727 East Midlands Basin 4, 7 source rock 66–67 stratigraphy 718 East Midlands oil province summary 72 summary 737–738 exploration history 217 trap 67, 69 trap 727–728 location 217, 218 Embla Field 489 well correlation 730 production history and development Endurance Field xii, 7, 14, 163 Doris Field 205, 205 219–223 CO2 storage capacity 169–170 Dornoch Formation 889 regional context 217–219 database 165 Gryphon area fields 841 source and seal 219 exploration history 163 Douglas Field 6, 8, 321, 322 stratigraphy 219 location map 164 database 310 summary 223–224 porosity–permeability plot 168 development 308–309 East Shetland Basin 6, 11 regional context 163–165 exploration history 307 East Shetland Fault Zone 840 reservoir and petrophysics 167–169 location map 308 East Shetland Platform, cross-section 866 salt diapirism 166 porosity v. permeability 313 Eastern Trough Area Project (ETAP) 537 seismic sections 167 production history and reserves Ebba Field 489 stratigraphy 165 315–317, 316 Ebberston Moor Field 82, 82–83, 83 summary 170 regional context 309 Ebberston South Field 82, 83 trap 165–167 reservoir and petrophysics 311–313, Echo Field 479, 479 well correlations 168 315 Edda Field 489 well database 166 summary 317–318 Edradour Field 12, 23, 25, 27, 952, 958, 980 English Channel (ECH) 20,24 trap 310–311 database 953–954 enhanced oil recovery (EOR) 6 well correlations 314 development 952 Enoch Field 12, 828 Douglas West Field 24, 321, 322 exploration history and appraisal 952 database 830 location map 308 location map 953, 959, 968 development 829–830 Dowbridge Mudstone Formation 324 production history and reserves exploration history 828–829, 829 Dowsing Fault Zone 192, 192, 194 956–957, 956 location map 828 Dowsing Formation 193, 220 regional context 952–953 porosity–permeability 833 Dowsing Graben System 192, 193 reservoir and petrophysics 954–956 production history and reserves Dragon Field 24 seismic section 955 834–835, 835 drilling technology development 6 summary 957 regional context 830 dry hole analysis 27 trap 954 reservoir and petrophysics 831–834 Duart Field 768 well log 956 reservoir zonation 833 Dudgeon Saliferous Formation 220 Egilsay Field 768 seismic section 830 Dumbarton (Donan) Field 4 Egmanton Field 45 stratigraphy 831, 832 Dumbarton Project see Donan Field Egret Field 448 summary 835–836 Duncan Field 360, 489, 490, Eider Field 815, 907 trap 830 491, 492 Ekofisk Field 20, 489 Enochdhu Field 665 chronostratigraphy 491 Ekofisk Formation 10, 362, 415, 416, 417 Ensign Field 8, 172 location 361 Machar Field 526, 529 database 174 Dunlin Cluster 822 Morag Field 898 development 172–173 database 821–822 Mungo Field 537, 539, 540, 544, exploration history 172 exploration history 814 545, 546 gas production rate 178 oil–water contacts 824 Stella Field 608, 609, 614–615 location map 173 production history and reserves Eldfisk Field 489 mapped faults and fractures 177 824–825 Elgin Field 9, 23, 436 production history and reserves 177–178 seismic coverage 821, 821 chronostratigraphy 439 regional context 173–174 stratigraphy 819–820, 820 database 438 reservoir and petrophysics 176–177 top Brent Group 816 development 436–438 seismic sections 175 wells 817 exploration history 436 stratigraphy 176 Dunlin Field 11, 814, 815 location map 437, 448 summary 178–179 development 817–818 production history and reserves 47–51 trap 174–175 exploration history 814 regional context 45-46 wells 174 regional context, basin evolution 818 summary 51–52 environmental lobby 26 reservoir and petrophysics 823–824 Elke Field 10 Erskine Field 9, 23, 447 summary 825–826 database 564 field production performance 447 trap 822–823 exploration history 562 GIIP 448, 451 Dunlin Group location map 560 location map 448 Dunlin Cluster 819, 823 reservoir and petrophysics 569 outages 448–449, 451 Hutton Field 852 seal 565 pipeline diagram 449 Penguins cluster 918 stratigraphy 563 pressure depletion 447 1068 INDEX

Erskine Field (Continued) Forties Pipeline System (FPS) 437 database 438 seismic section 449 Forties Sandstone Member fields 10, 471, location map 437, 448 summary 452–453 793, 795, 797 production history and reserves 442–445 water production 447–448 Birgitta Field 371 seismic section 441, 443 wax deposition 451–452 Blane Field 382, 384, 385, 386, 386, 387 summary 445–446 wellbore scale 449, 451 Brechin Field 390, 391, 392, 393–394, Glengorm well 28, 31 Erskine–Lomond Pipeline 448, 449, 452 396 Glenlivet Field 12, 23, 25, 27, 953, 958, 980 Eskdale Field 83 Britannia Field 664 database 960–964 Etive Formation Catcher Field 399 depth–structure map 962 Dunlin Cluster 823 Culzean Field 425 development 958–959 Hutton Field 855 Huntington Field 479, 480, 481, 482, 482 exploration history and appraisal 958 Pelican Field 909, 909, 910 Lomond Field 511, 512, 513, 514, location map 959, 968 Etive Formation 815 515, 516 porosity–permeability 964 Ettrick Sub-basin 694 Mungo Field 537, 543 production history and reserves 965 Everest Field 480, 511 Pierce Field 550, 551, 552, 553, 554, 556 regional context 960 Forties–Montrose High 10, 391, 413, 416, reservoir and petrophysics 964–965 Falcon Field 907 417, 652 seismic characterization 960, 961 Faroe Group, Glenlivet Field 958 Franklin Field 9, 23 summary 965–966 Faroe–Shetland Basin 954 chronostratigraphy 439 trap 964 geological framework 960 database 438 well correlation 963 main depocentre 969 development 436–438 Glenn Field 794 palaeogeography 983 exploration history 436 Glentworth Field 55 seismic section 970 location map 437, 448 exploration history 45 stratigraphy 968, 981 production history and reserves 442–445 location 46 structural elements 983 reservoir and petrophysics 441–442 production history 50 Fell Sandstone Formation, Buchan Field seismic coverage 440 summary 51–52 679 seismic section 442 Glitne Field 828 Fergus Field 489, 490 structural evolution 440 Godley Bridge Field 75 Feugh Field 10 summary 445–446 Godwin Field 6, 10 database 564 trap 438, 440–441 cross-section 628 exploration history 561 well architecture 444 database 623 location map 560 Fraserburgh Formation, Morag Field 898 development 619 reservoir and petrophysics 570 Freya Field 980 exploration history 617–618, 618 stratigraphy 563 Frigg Sandstone Member, Burghley Field faults 625 summary 571–572 807, 808 location 480, 618 trap 564 Fulmar Field 23, 489 porosity and permeability 631 well correlations 566 Fulmar Formation 9, 10, 360, 470, 479, 488, production history and reserves 631–632 Fiddich Field see Birgitta Field 617, 618, reservoir petrophysics 626, 627, 629, 629 Fife Field 489, 490 Acorn/Beechnut fields 349, 350, 356, stratigraphy 628 Finlaggan Field 664, 668 357 summary 632–633 location map 413, 665 Birgitta Field 372 trap 623 Fionn Field 907 depositional model 443 well log 628 Firth Coal Formation, Buchan Field 679 depth 437 Gogarth Fault 309 Fladen Ground Spur 718 Elgin Field 436, 438, 441 Golden Eagle Field 6, 7, 11 Fleetwood Dyke Complex 8, 336, 338, 339 Howe and Bardolino fields 469, 470, 471, database 745–746 Flett Formation 982 476 development 740–741 Flett Sub-basin 967, 968, 969 Maria Field 875, 876, 877, 878, 880, 881, exploration history 740 Flora Field 489, 490 882 location 741 Flugga Sandstone Member, Enoch Field reservoir properties 368 porosity–permeability 748 828, 830, 834 Shearwater Field 574–575, 577, 579, 580, regional context 741–745 Flyndre Field 489 581, 582–584, 585 reservoir and petrophysics 746–750 Foinaven Field 12, 23, 24, 932 Fylde Halite Member 338 seismic section 744, 747 Fordon Formation 84 Fyne Field 560, 560 stratigraphy 743 Formby Field 8, 321, 322 reservoir and petrophysics 565 summary 751–752 location map 308 trap 564 trap 746 Forties Field 10, 21 well correlation 748 database 456–457 Gainsborough Trough 55, 217 Goldeneye Field xii, 11, 14, 652, 668 exploration history 454 Gainsborough–Beckingham Field database 756, 769 first discovered 19 exploration history 45 exploration history 755 location map 413, 454 location 45, 46 location map 680, 756, 757 production history and reserves production history 51 porosity–permeability 761 463–465, 465 summary 51–52 potential carbon capture and storage regional context 456 Galia Field 489, 490 762, 764 reservoir 457–463 Galley Field 718, 768 production history 761–762, 761 seismic imaging 462 Gannet Field 511 regional context 755–756 summary 466 Garten well 28 reservoir and petrophysics 759–761 Forties Formation 470 gas composition 66 seismic coverage 758 Alba Field 639, 639 Glamis Field 718 stratigraphy 767 Machar Field 529 location map 413 subsurface isolation 763, 764 Merganser 594 Glamis Tuff Member 797 summary 765 Merganser Field 592, 602 Glassel Field 863 trap 759 Scoter Field 591, 594, 596 Glendronach discovery 12 Goodworth Field 75 Shearwater satellites 592 Glendronach well 28 Gordon Field 21 Starling Field 592 Glenelg Field 9 Grampian Arch 652, 741, 744, 745 INDEX 1069

Grampian Spur 652, 741 Harding Field 7 Glenelg Field 436 Great Oolite Group 74, 76, 77, 78, 79 location map 838 Jasmine Field 498 Greater Clair Field 23 Hardstoft (Derbyshire) 7, 45, 74 Shearwater Field 574 Greater Galapagos Complex 12, 850 Harris Field 907 West Franklin Field 436 Greater Laggan layout 953, 959 Hauptanhydrit Formation 152, 220 Highlander Field 668, 768 Greenpeace action 24, 26 Hauptdolomit Formation 152, 193, 220 Hildasay Sandstone 13 Groningen Field 19 Hawksley Field 227 Hobby Prospect 740 Grove Field 8, 180 Hayton Formation 83, 84,86 Hod Field 489 database 183 Heather Field 815 Hod Formation, Mungo Field 537, 540, 545 development 182 location map 851, 907 Hodder Field 321, 322, 335 exploration history 180–181 Heather Formation 351, 414, 741 Holywell Shale Formation 309 location map 180 Captain Field 705 Hood Field 718 porosity–permeability log 185 Dunlin cluster 824 Horda Formation 416, 473 production history and reserves 187, 187 Elgin Field 436, 438 Alba Field 637 regional context 182–183 Erskine Field 447 Catcher Field 399, 403, 408 reservoir and petrophysics 184–186 Hutton Field 852 Chestnut Field 413, 418 seismic section 183 Maria Field 877 Gryphon area fields 842 stratigraphy 182 Morag Field 900 Hordaland Group 564 structure 184 Mungo Field 539 Horndean Field 75 summary 187–188 Pelican Field 907, 908 Howe Field 10, 468 thin sections 186 Penguins cluster 910 compartmentalization 477 top Carboniferous depth map 181 Shearwater Field 575, 577, 579, 580, 581, database 469 trap 183–184 582, 584 development 468, 472–473 well correlations 186 Heathfield Medal 7 exploration history 468 wells 181 Heathfield (Sussex) 7, 74 location map 469, 480 Gryphon area fields 837 Heathfield-1 Field 75 production history 475–476 database 841 Hebden Formation 55 regional context 468–469 development 838 Heimdal Sandstone Member 12, reservoir and petrophysics 469, 471–472 gas development 839 depositional model 870 structural elements 471, 474–475 infill well targets 845 Enoch Field 830 summary 478 infrastructure 839 Gryphon area fields 840 trap 472 location map 838 Kraken Field 864, 868, 870, 872 well correlation 472 oil development 838–839 Mariner Field 886, 891–892, Hoylake Field 652, 680 regional context 840 894–895, 896 Hudson Field 907 reservoir and petrophysics 843–846 Helena accumulation 916, 917 Hugin Formation sand injection 845 Helsby Sandstone Formation 67 Howe and Bardolino fields 469, 471 seismic sections 842 Hemswell Field 55 Morag Field 900 trap 842–843 Hercynian Orogeny see Variscan Orogeny Humber Group 365 well logs 844 Hermod Sandstone Member, Gryphon area Dunlin Cluster 814 Gryphon Field 12 fields 841 Perth Field 771, 907 core 843 Heron Field 448 Humbly Grove Field 7, 73 development 838–839 Heron Group 416 cross-section 75 exploration history and appraisal 837 Herriard Field 7, 73, 74, 75 database 76 porosity–permeability 843 Hester’s Copse Field 7, 73, 74, 75 exploration history 73 pre-production pressure 846 Hewett Field 7, 21, 189–190 map 74 production history and reserves 846–847 core footage 195 production history and reserves 78–79, 78 summary 848 database 194 regional context 73–74 Gryphon FPSO 837, 838 development 191–192 reservoir and petrophysics 77–78 Guiseley Grit 133, 136, 139 exploration history 190–191 stratigraphy 74 location map 189, 203 summary 79–80 Haisborough Group 193, 220, 282 LSF pressure evolution 196 trap 76–77 Halibut Formation 362, 365 porosity–permeability 197 West Franklin 436 Morag Field 898 pressure data 195 Huntington Field 10, 479 Halibut Horst 652, 741, 771 production history and reserves 198–200, database 481 Halibut Terrace 741, 744 199 development 479–480 Halifax Field 23 regional context 192–194 exploration history 479 Halley Field 489 reservoir map 191 location map 480 halokinesis 229 reservoir and petrophysics 196 production history and reserves 485 Hamilton East Field 24, 321, 322 seismic section 194 regional context 480–481 location map 308 stratigraphy 190 reservoir and petrophysics 482–485 Hamilton Field 321, 322 summary 200–201 stratigraphy 483, 484 location map 308 trap 194, 196 summary 485–486 Hamilton North Field 321, 322 see also satellite fields Big Dotty, Dawn, trap 481–482 location map 308 Deborah, Delilah, Della, Little Dotty Hutton Field 12, 815, 850 Hamish Field 718, 767, 768 Hewett Sandstone 191, 192, 193, 195 cross-section 855 Hannay Field 652, 668, 679, 680 reservoir properties 198 database 853–854 Harbour Field 10, 561 Hewitt Trough 277 development 851 database 564 Buchan Field 683 end of field life 858–859 location map 560 high-pressure–high-temperature fields of exploration history and appraisal reservoir and petrophysics 565, 567 CNS 9, 349 850–851 seismic section 561 Culzean Field 424, 426, 429, 432 location map 851, 907 summary 571–572 Elgin Field 436 oil–water depth 855 trap 564, 568 Erskine Field 447 production history and reserves 856–857 well correlations 566 Franklin Field 436 regional context 851–853 1070 INDEX

Hutton Field (Continued) Joshua Mudstone Member, Jasmine Kilmar Field 8, 241 reservoir 854–856 Field 502 database 246 seismic line 854 Judy Field 9, 489, 499 development 244 stratigraphy 851–852, 862 Judy Sandstone Member 374, 441 exploration history 242, 244 summary 859–860 Jasmine Field 498, 502 location map 241 trap 854 Julia Field 489 porosity v. permeability 246, 251 Juliet Field 8 production history and reserves 252–253, Inde SW Field 21 cross-section 221 252 Indefatigable East Field 21 database 221–222 regional context 244–246 Indefatigable High 276, 277 development 218, 219 reservoir 245–246, 250 Indefatigable Shelf 120 exploration history 217–218 reservoir and petrophysics 249–252 Indefatigable West Field 21 fault problems 222 seismic section 247, 248 injected water imbibition drive 6 location 217, 218 stratigraphy 243, 245 Inner Moray Firth Basin 652 production history and reserves 224, 224 summary 253–254 Innes Field 11, 360 regional context 220–221 trap 246–249 chronostratigraphy 491 reservoir petrophysics 222, 224 well log 243 database 489–490 seismic section 221 Kimmeridge Clay Formation discovery 488 stratigraphy 220, 220 Acorn and Beechnut fields 351, 351 exploration history 488 summary 224–225 Alma Field 365 gas–oil ratio 494 trap 222 Balloch Field 725–726 location 361, 489 Julius Mudstone Member 374 Britannia Field 666 production history and reserves Birgitta Field 374 Buzzard Field 691, 692, 694 492–496, 494 Culzean Field 426 Captain Field 706 regional context 488–489 Elgin Field 441 Catcher Field 401, 403 reservoir and petrophysics 491–492 Jasmine Field 498, 502 Chestnut Field 415 summary 496 Jura discovery 719 Clair Field 934 trap 491 Jurassic inter-pod play 10 Culzean Field 426 well pressures 495 Donan Field 726 inter-pod plays 10 Kappa Field 718 Dunlin Cluster 814, 820–821 Iona Field 768 Kate Field 448 Elgin Field 436, 438 Iris Field 489, 490, 491 Katy Field Enoch Field 830 Ivanhoe Field 718, 767, 768, 780, 781 location map 226 Golden Eagle Field 741, 742 Ivy Field 668 summary 239 Goldeneye Field 756 Kelvin Field 226 Gryphon area fields 841 J-area fields 498 Kessog South 383 Howe and Bardolino fields 468, 469 J-ridge 499 Kestrel Field 815, 907 Hutton Field 852, 853 Jackdaw Field 383 Ketch Field 8, 226, 288 Kraken Field 870 Jacqui Field 489 database 229–230 Maria Field 877 Jade Field 9, 499, 507, 508 development 228 Mariner Field 890 Janice Field 489 exploration history 227 Morag Field 900 Jarvis Field 899 gas volumes 237, 238 Mungo Field 538 Jasmine Field 9, 498 location map 226 Pelican Field 907, 908 database 501 production history and reserves 223, 236 Penguins cluster 910, 916 development 498–499 regional context 228–229 Perth Field 771 exploration history 498 reservoir deposition 229 Pierce Field 550, 552 location map 499 reservoir and petrophysics 233 Renee Field 782, 783, 785 production history 504, 505–508 seismic data 229, 230, 230, 231 Rubie Field 794 regional context 499 source and seal rocks 229 Shearwater Field 577, 579 reservoir and petrophysics 501, 504–505 stratigraphy 227 Stella Field 606 reservoir structure 499–501 trap 231–232 Vale of Pickering Field 84,84 seismic section 501 well correlations 234 Western Platform 567 stratigraphy 502 Ketch Formation 220, 288, 293, 294 Kinderscout Grits 57,58 summary 508–509 porosity v. permeability 297 Kingfisher Field 828 trap 501 Ketch Member 151, 152, 152, 155–156 Kinnoull well 24 well correlations 504 Keuper Anhydrite Member 220 Kipper High 652, 653, 653, 654 Jill Field 489 Kew Field 8, 142 Kirby Misperton Field 82, 83, 83,85–86, Joanne Field 489 Base Permian Unconformity 144 86, 87, 88,90–91 location map 499 database 144, 146 Kirkham Abbey Formation 7, 82, 83, 84, Joanne Sandstone Member 9, 10 development 143 86, 86, 87 Birgitta Field 373 exploration history 142 reservoir properties 88, 89–90, 89, 90 Culzean Field 424, 425, 426, 428, 430, location map 143, 226 Know Field 335 431, 432 production history and reserves 149 Kopervick Fairway 755 Elgin Field 441 regional context 143–144 Kopervik Sandstone Member see Captain Jasmine Field 499, 500–501, 500, 502, reservoir and petrophysics 148 Sandstone Member 503, 504, 506, 507 seismic section 145 Kraken Fault 868 Jocelyn Field 383, 489 stratigraphy 145 Kraken Field 12, 863 Jock Scott well 27 structure map 147 cross-section 869 Johan Sverdrup Field 27, 899 summary 149–150 database 870–872 Jonathan Mudstone Member 429 trap 146, 148 depositional model 870 Culzean Field 426 well production rates 149 development 868 Jasmine Field 502 Keys Fault 336 exploration history and appraisal 864, Josephine Sandstone Member 498 Keys Sub-Basin 335 866 Birgitta Field 373 Kildare Field 680 formation pressure v. depth 873 Jasmine Field 499 Kildrummy Field 718 location map 863, 864 INDEX 1071

porosity–permeability 871 location map 308 Lowry Field 335 production history and reserves 873 production history and reserves 325–331, Loxley Sandstone 133, 135, 139 regional context 868–870 327, 328 Loyal Field 12, 23, 932, 980 reservoir and petrophysics 872–873 regional context 320–322 database 992–993, 996 seismic section 869, 871–872 reservoir petrophysics 324–325 development 990–991 stratigraphy 866, 869–870 stratigraphy 324 exploration history 990 structural elements 865 summary 331–332 lithofacies 997 subsea layout 864 trap 323–324 location map 991 summary 874 well section 330 porosity–permeability 998 trap 872 Leven Field 489 production history and reserves 1000, well correlations 867, 872 Lias Group 56, 57, 84, 84 1001 wells 870–871 Liberator Field 706 regional context 991–992 Kraken North Field 12, 863 Lidsey Field 75 reservoir and petrophysics 997–999 exploration history and appraisal Lincoln Field 23 seismic data 993, 994 864, 866 Lincolnshire Offshore Gas Gathering stratigraphy 993 location map 863 System (LOGGS) 132, 275, 276 summary 1001–1002 seismic line 868 Lista Formation 9, 11, 362, 796, 889, 889, Lyell Field 815 stratigraphy 869–870 892, 896 location map 851, 907 summary 874 Donan Field 727 well correlations 867 Gryphon area fields 840 Mabel Field 897, 898 Kupferschiefer Formation 83, 86, 193, Kraken Field 865, 872 McAdam Field 226 220, 362 Lomond Field 511, 513 Macallan Field 665 Kyle Limestone Formation 25 Machar Field 523, 526, 529 Macculloch Field 718 Mungo Field 542, 543, 537 Machar Field 6, 9, 448, 523 Laggan Field 12, 932, 953, 959, 967, 980 Pierce Field 550, 556 blowdown 534 database 970 Shearwater satellite fields 589, 592 database 525, 527 development 967–968 Stella Field 606, 610 development 523, 526 exploration history and appraisal 967 Little Dotty Field 189, 191, 193, 199, exploration history and appraisal 523 location map 968 203–204 faults and fractures 529–532 porosity–permeability 975 database 208–209 porosity–permeability 528 production history and reserves development 205–206 production history 532, 533, 534 976–977, 977 exploration history 204 regional context 523, 525 regional context 968–969 location map 189, 203 reservoir and petrophysics 527–529, 530, reservoir and petrophysics 974–976, production history and reserves 213, 214 531 974, 975 regional context 206–208 seismic section 525 summary 977–978 reservoir and petrophysics 212–213 stratigraphy 526 trap 973–974, 973 stratigraphy 204, 207–208 summary 534–535 well correlations 971 summary 215–216 trap 527 Lancaster Field 7, 23,25–26, 27 trap 209–210 well logs 532 Laramide Orogeny 193, 194, 336 Liverpool Bay 322, 329 Maclure Field Lark Formation 416 facilities 310 development 839 Laxford Field 953, 959, 968, 980 Lochranza Field 11, 717 exploration history and appraisal 837 Leadon Field 838, 863 3D seismic dataset 719 location map 838 Leine Halite Formation 152, 220 cross-section 718 summary 848 Leman East Field 21 database 726–727 Magnus Sandstone Member 12 Leman Sandstone Formation development 722, 724 Penguins cluster 916, 922, 923, 924 Babbage Field 99, 100, 101, 102, 105 exploration history and appraisal Malton Field 82, 83, 86, 86, 87, 88,91 Breagh Field 112 717–719 Manchester Marl Formation 64, 64, 67, Carrack Field 119, 124, 127 location map 718 307, 324 character 197 production history and reserves 735 Maria Field 12, 718, 875 Cygnus Field 151, 152, 152, 156, 158 regional context 724–725 database 878–879 depositional environment 281 reservoir and petrophysics 728–731 development 875, 877 Endurance Field 164 summary 737–738 exploration history and appraisal 875 facies 159 well correlation 730 location map 876 Grove Field 180 Lockton Gas Field 82, 83 production history and reserves 882, 883 Hewett Field 189, 193 Lomond Field 9, 447, 511 regional context 877 Juliet Field 220 database 515 reservoir and petrophysics 880 Kew Field 142, 149 development 512–513 reservoir structure 879–880 pressure evolution 196 exploration history 511–512 seismic line 876 reservoir properties 196 location map 448, 480, 511 stratigraphy 880, 898 Sean Fields 255, 256, 258, 259 porosity v. permeability 516 structural elements 878 Tolmount Field 262, 263, 263, 268, 268 production history and reserves summary 884 top structure map 155 520–521, 521 trap 759, 879 Viking Fields 273 regional context 513–515 well locations 877, 878, 880, 880 well correlations 160, 282 reservoir and petrophysics 516, 518–520 Maria Horst 875, 882 zones 282–285, 282 seismic section 514 Mariner Field 10, 12, 31, 863 Leman South Field 21 stratigraphy 513 database 890–891 Leman West Field 21 summary 521–522 development 888 Lennox Field 8, 24, 308 trap 515–516 discovery well 887 cross-section 325 well correlation 519 exploration history 886–888, 888 database 322–323 London Brabant Massif 276, 277 geological setting 888–890 development 320 Lower Scott Sandstone Member 779, 780, licence history 886 exploration history 320 781, 782, 782, 785, 786 location 886, 887 location 320, 321 Lowlander Field 668, 718, 768 porosity and permeability 894 1072 INDEX

Mariner Field (Continued) Mirren Field 391 Ness Field 838 reserves and future development 895 location map 448, 480 Ness Formation 12 reservoir and petrophysics 894–895 Moira Field 875, 898 Dunlin Cluster 823 seismic section 892 Monan Field 391 Hutton Field 855 seismic surveys and interpretation location map 448, 480 Osprey Field 818, 820 891–892, 891 Mongour Field 262, 263, 264 Pelican Field 909, 909 source 889–890 Montrose Arbroath (MonArb) licence area Nettleham Field stratigraphy 889 617, 618, 619, 620, 621 location 46 summary 896 Montrose (Arbroath) Field 21, 391 production history 49 trap 892–893 location map 480, 511 summary 51–52 well correlation 889 Montrose Group 609, 793, 889 Nevis Field 838, 863 Marishes Field 82, 83, 86, 86, 88,91 Morag Dolomite Member 897 Newsham Field 21 Market Weighton Block 120 Morag Field 12, 897 Nicol Field 718 Markham Field 226 core photos 902 Ninian Field 851 Marnock Field 373, 391 database 901 nitrogen, East Irish Sea Basin 338 location map 448, 480, 511 exploration history 897–898 Norpipe 22, 382, 498 Marnock Shale 374 location map 897 North Alwyn Field 851 Marram Field 335 production history and reserves 903–904, North Cormorant Field 906, 907 Martha Fault 580 903 North Halibut Graben 771 Mary Field 897, 900 regional context 898–900 North Halibut Shelf 652 stratigraphy 898 reservoir and petrophysics 901–902 North Hewett Fault 192, 194 Maule Field 479, 479 seismic section 901 North Morecambe Field 321, 322, 335 Maureen Field 875, 897 stratigraphy 898 location map 308 stratigraphy 898 summary 904 North Perth Field 767 Maureen Formation 9, 362, 416, 886, 887, trap 901 North Sea Basin 889, 889, 891, 892–893, 894, 895, Moray Firth 11 exploration activity 19–22, 25 896, 897 Aptian sand map 668 future 29–31 Burghley Field 807, 808, 809, 810 Moray Group 416, 793, 889 gas discoveries 19–20, 21 Gryphon area fields 840 Morecambe Bay gas field 8 history (1960s) 20–21 Kraken Field 866, 870 Morecambe Hub 335 history (1970s) 21–23 Lomond Field 511, 513 Morecambe South Field 24 history (1980s) 23 Machar Field 523, 526, 528, 529 Morrone Field 838 history (1990s) 23–26 Moira Field 875 Mungo Field 10, 391, 537 history (2000s) 26–28 Morag Field 900 database 539 history (2010s) 28–29 Mungo Field 537, 541, 542, 543 development 537 oil discoveries 20 Pierce Field 550 exploration history and appraisal 537 performance 24–25 Shearwater satellite field 589, 592 location map 448, 480, 511, 538 subdivision 19 Medan Field 448 porosity–permeability 541 well count 23 Medwin Field 489 production history 547, 547 North Uist Field 980 Mercia Mudstone Group regional context 537–539 Northern North Sea (NNS) Crosby Warren Field 56, 57 reservoir and petrophysics 540–547 exploration history 21 Douglas Field 309, 310, 312 seismic section 538 Jurassic petroleum system xii Elswick Field 64 stratigraphy 540 location 20 Lennox Field 324, 324 summary 548–549 megasequences 22 Rhyl Field 336 trap 539–540 well count 21 Merganser Field 9, 589 Munro Field, stratigraphy 227 Northwich Halite 324 database 592–593 Murchison Field 815 Nutmeg Field 706 development 591 Murdoch Fault System 228 NW Hutton Field 6, 12, 815, 850 exploration history and appraisal 589 Murdoch Field 226 cross-section 855 location map 448, 590 Murdoch Sandstone 158, 293, 294 database 853–854 production history 602–603, 603 Muschelkalk Halite Member 220 development 851 reservoir and petrophysics 598, 600 Mythop Halite 324 end of field life 858–859 seismic section 595 exploration history and appraisal stratigraphy 591 Namurian sandstone 131 850–851 summary 604 reservoir properties 88, 89, 90, 90, 91, location map 851, 907 trap 593–594, 593 92, 218 production history and reserves 856–857 Merlin Field 11, 814, 815, 815, 822, 907 Nansen Member, Penguins cluster 922 summary 859–860 development 818 Narwhal Field 10 exploration history 814 database 564 Oil and Gas Authority 28 reservoir and petrophysics 823–824 exploration history 562 Oil Taxation Act (1975) 22 summary 825–826 location map 560 onshore fields 5,7 Mey Sandstone Member, Donan Field reservoir and petrophysics 569 Orca Field 226 725, 725 seal 565 Orion Field 489 Mid Ness Shale 823, 824 stratigraphy 563 Ormskirk Sandstone Formation Mid-North Sea High 228 summary 571–572 Douglas Field 307, 309, 310, 311–312, Middle Limestone Formation 109, 114 trap 568 312 Miller Field 828 Nauchlan Sandstone Member Lennox Field 321–322, 324, 324, 327 Millom Field 321, 322, 335 Alba Field 637 Rhyl Field 334, 334, 336, 342 location map 308 Chestnut Field 413, 414, 415, 417, 418, Oselvar Field 383 Millstone Grit Formation 55, 133, 420 Osprey Field (Dunlin NW Field) 11, 814, 152, 242 NE Perth Field 767 815, 815, 822 Minerva Field 21, 262 resources 775 development 818 Minke Field 288 Nelson Field 479 reservoir and petrophysics 823–824 location map 226 location map 413, 480, 511 summary 825–826 INDEX 1073

Otter Field 907 regional context 770–772 production history and reserves 856–857 Outer Moray Firth 791 reservoir and petrophysics 775 summary 859–860 stratigraphy 757 resources 775–776 structural elements 769 seismic coverage 773, 774 Rannoch Formation 11 Oxford Clay Formation 84 stratigraphy 771 Dunlin Cluster 823 summary 777–778 Pelican Field 910 Paleocene, Late, palaeogeography 517 trap 773–774 Rattray Volcanic Formation 350, 774, 779, Palmers Wood Field 75 well history 770 782, 782, 900 Partridge well 27 Peterhead Graben 694 Red Chalk Formation 220 Peach Field 383 Peterhead Ridge 652 redevelopment technologies 6 Pegasus West Field 22 Peterhead Sub-Basin 652 Ree Field 560 Peik Field 863 Petroleum Act (1934) 19 remobilized sandstone 7 Pelican Field 12, 815, 906 Petroleum Revenue Tax (PRT) 22, 28, 28 Renee Field 11, 680, 718, 794 database 907–908 Petronella Field 718, 768 cross-section 783 development 906–907 Pharis Field 560 database 784 exploration history 906 Phoenix Field 706 development 780–781 location map 851, 907 Pickerill Field 218 discovery 779 porosity–permeability 911 Pickering Field 82, 83,85–86, 86, 87, 88, exploration history 779 production history and reserves 911–914, 91–92 infrastructure 784, 795 912, 913 Pict Field 560 location 780 regional context 907 Pierce Field 550 porosity–permeability plots 786 reservoir and petrophysics 909–911 database 552–553 production history and reserves xii, 9, 788 seismic line 908 development 550 regional context 781–782 summary 914–915 exploration history and appraisal 550 reservoir petrophysics 785–788 trap 908 location map 448, 511 seismic section 786 well correlations 910 production history and reserves 556–558, stratigraphy 782–784, 782 Penarth Group 56 557 summary 788–789 Westbury Formation 74, 78, 79 regional context 550, 552 trap 784–785 Pendle fault system 64 reservoir and petrophysics 553–556 well correlation 785 Penguins cluster 12, 916 seismic section 553 Renee Ridge 718 C isotope profiles 919 summary 558–559 Rhaetic Group 220 cross-section 919 trap 553 Rhum Field 863 database 919–920 well logs 555 Rhyl Field 8, 24, 321, 322, 334 exploration history, appraisal and Pierce North Field 9, 550, 552, 554 database 338–341 development 916, 918 Pierce South Field 9, 550, 552, 554 development 334–335 location map 917 Pilot Field 10, 560 exploration history 334 porosity–permeability 922 database 564 location map 308, 335 production history and reserves 924, development 570–571 porosity v. permeability 341 925, 926 exploration history 561 production history and reserves 342, 343 regional context 918–919 reservoir and petrophysics 565, 567 regional context 335–336, 338 reservoir and petrophysics 920–922, 924 seal 564 reservoir and petrophysics 341, 342–343 seal 920 seismic section 561 seismic imaging 339, 341 stratigraphy 918 stratigraphy 563 seismic sections 337, 340 summary 926–927 summary 571–572 summary 343–344 trap 920 trap 564, 568 trap 341–342 Penistone Flags 55 well correlations 566 Rita Field 226, 227 Pentland Formation 9, 416 Pine Field 718 Rob Roy Field 718, 767, 768, 780, 781 Acorn/Beechnut fields 350 Piper Alpha 23 Rochelle Field 652, 668, 680 Culzean Field 424, 425, 426, 430–431, Piper Field 718, 768 Rockall Basin 20,24 431 Piper Formation 11, 779, 782, 787, Rødby Formation 755 Elgin Field 436, 438 788, 790 Romeo Field 218 Erskine Field 447 Balloch Field 720, 721, 724, 725, 726 Rona Formation 940 Howe and Bardolino fields 469, 471–472 Donan Field 717, 718 Rona Ridge 13, 931, 934 Jasmine Field 498, 499 Ivanhoe and Rob Roy 767 Rose Field 218 Maria Field 877 Perth Field 771 Rosebank Field 13, 23, 26, 31, 953, 980 Morag Field 900, 901 Plattendolomite Formation 190, 191, 193, database 983–984 Mungo Field 539 194, 195, 220, 285 exploration history and appraisal Shearwater Field 574–575, 577, 580, 581, character 197 981–982 584, 584 reservoir properties 198 location map 959, 968, 980 Peregrine Field 11 play type, role of 26 regional context 982–983 development 740 pod–inter-pod plays 10 reservoir and petrophysics 984–987 exploration history 740 Preesall Halite 324 seismic lines 985 location 741 Ptarmigan Field 665, 680 summary 988 regional context 741 Puffin Field 448 trap 984 source 742 Puffin Formation 447, 448 well correlations 986 summary 752–753 Punt Sandstone Member 740, 741, 742, Ross Field 651, 652, 706 Permian 133 744, 746, 746, 747, 748, 751–752 Ross Sandstone, Captain Field 705, 706, pattern of sedimentation 112 708, 711 Perth Field 11, 718, 767 Q-West Field 850 Rossall Halite Member 309, 312, 324 database 772–773 cross-section 855 Rossendale Formation 55 development 768, 770 development 851 Röt Clay 165 exploration history 767–768 exploration history and appraisal Rot Formation 84 field layout 770 850–851 Rot Halite Member 193, 220 location map 768 location map 851 Roter Salzton 220 1074 INDEX

Rotliegend Group 7, 11, 19, 22, 25 trap 231–232 regional context 577 Acorn/Beechnut Field 349, 350 well correlations 235 reservoir and petrophysics 580–585 Alma Field 360, 362, 364, 365 Schooner Formation 151, 152 seismic section 576 Babbage Field 97 Scoter Field 10, 589 source rocks 577 Breagh Field 112 database 592–593 summary 586–587 Carrack Field 119, 120, 121, 122, development 589–591 trap 579–580 125, 127 exploration history and appraisal 589 well correlation 578, 581 Catcher Field 401 exploration map 590 Shearwater Salt Formation, Morag Field Chiswick Field 146 location map 448 898 Crosby Warren Field 56, 57 production history 600 Shelley Field 413 Cygnus Field 152 reservoir and petrophysics 594, 596, 598 Sherburn Anhydrite 56 Hewett Field 193 seismic section 597 Sherwood Sandstone Group 56, 57, 64, Innes Field 488, 493, 494 stratigraphy 591 83–84, 84, 321, 324, 336 Juliet Field 220 summary 604 Shetland Gas Plant 967 reservoir facies distribution 153 trap 593, 594 Sigma Field 768 reservoir properties 366, 367 Scott Field 11, 718, 767, 768 Silverpit Basin 120, 228–229 Tolmount Field 262, 264, 266, 268, 270 Scott Sandstone Member 11 map 226 Viking Fields 273, 276, 279, 282 Scott South Field 718 Silverpit Formation Western Platform top structure 562 Scremerston Formation 112 Breagh Field 112 Rough Gas Storage 21 SE Rinnes see Barra Field Carrack Field 119, 124 Roxby Formation 56, 84 Seagull Field 448 Cavendish Field 135, 136 Rubie Field 11, 680, 718, 780, 781, 784 Seal Sands 115 Chiswick and Kew fields 146 database 798 Sean Fields 8, 255 Cygnus Field 152, 153, 158 development 790–794 database 258 Endurance Field 164 exploration history 790 development 255 Tolmount Field 262, 264, 265, 268 infrastructure 795 exploration history 255 Viking Fields 282290, 291 location 665, 790, 791 location map 256 Silverpit Lake 264 production history and reserves 800–801 porosity v. permeability 259 Singleton Field 75 regional context 794–795 production history and reserves 259, 260 Skagerrak Formation 9, 10, 413, 415, 416 reservoir and petrophysics 799–800 regional context 255, 257–258 Acorn/Beechnut fields 349, 353 stratigraphy 793, 795–798 reservoir and petrophysics 259 Birgitta Field 371, 372, 373, 376, 376 summary 801–802 stratigraphy 255, 257–258, 257 Culzean Field 424, 425, 426, 430, 430 trap 798–799 summary 260–261 Elgin Field 436, 438 well correlation 799 trap 258–259 Howe and Bardolino fields 471 Sean North 21 Jasmine Field 499, 501, 502 St Bees Sandstone Formation 67, seismic data, growth of 4 micrographs 378 324, 336 Sele Formation 362, 416, 471, 473, 793, Morag Field 901 salt diapir fields 9–10 795 porosity v. permeability 379 salt precipitation problems 160–161 Alba Field 639 Skene Field 838 Saltire Field 668, 718, 768 Catcher Field 399 Skua Field 373, 391, 448 Saxon Field 560 Culzean Field 425 Skye Field 814, 815, 822 Scapa Field 651–652, 668, 768 Donan Field 727 Smith Bank Formation 362, 373, 416 Scapa Sandstone Member 755 Enoch Field 828, 832 Acorn/Beechnut fields 350 Schiehallion Field 12, 24, 932, 990 Huntington Field 479, 480, 482 Catcher Field 401 cross-section 992 Lomond Field 513, 514, 515 Culzean Field 426 database 992–993, 996 Machar Field 523, 526 Howe and Bardolino fields 468–469 development 990–991 Merganser Field 602 Morag Field 901 exploration history 990 Mungo Field 537, 539, 540 Smith Bank Horst 652 lithofacies 997 Pierce Field 551 Sørøst Tor Field 489 location map 991 Scoter Field 602 Sola Formation, Britannia Field 666 porosity–permeability 998 Shearwater satellite field 589, 592, 592 Sola-Rodby Shale, Captain Field 706 production history and reserves 999, Shaw Field 6, 10, 391 Solan Field 13, 23 1000, 1001 cross-section 627, 628 Sole Pit High 120 regional context 991–992 database 623 Sole Pit Trough 276, 277 reservoir and petrophysics 997 development 793 Solitaire Field 11 seismic data 993, 994, 996 exploration history 617 exploration history 740 stratigraphy 993 faults 625 location 741 summary 1001–1002 location 618 regional context 741 trap 997 porosity and permeability 631 source 742 Schooner Field 8, 226 production history and reserves 631–632 structure 745 database 230 reservoir petrophysics 626, 629 summary 752–753 development 228 stratigraphy 622 trap 746 exploration history 227 summary 632–633 solution gas drive 4 gas volumes 237, 238 trap 623–624 South Cormorant Field 12, 815, 906, 907 location map 226 well logs 424 South Halibut Basin 652 porosity v. permeability 236 Shearwater Elgin Area Line (SEAL) 437 South Halibut Shelf 652 production history and reserves 236–237 Shearwater Fault 580 South Hewett Fault 192, 194 regional context 228–229 Shearwater Field 9, 23, 574, 589 South Hewett Shelf 192 reservoir deposition 229 core sedimentology 585 South Leverton Field 45 reservoir and petrophysics 233 database 579 South Morecambe Field 308, 321, 322, 335 seismic data 230–231, 230, 231, 232 development 575–577 Southern Gas Basin xii, 19, 21 source and seal rocks 229 exploration history 436, 574–575 Southern North Sea (SNS) 7, 7–9, 19 stratigraphy 227 location map 448, 574, 590 Carboniferous Basin 112 summary 239 production history and reserves 585–586 exploration history 22–23 INDEX 1075

location 20 Thornley fault 64 exploration history and appraisal 837 performance 25 Tiberius Field 560 location map 838 Rotliegend reservoir facies distribution Tiffany Field 718 summary 848 153 Titchwell Field 560 Turbot Anhydrite Formation 12, Spaniards Field 768 Tjalve Field 489 897, 898 Sparrowhawk Field 668 Tobermory Field 23 Turbot Formation 362, 365 Speeton Clay 220 Tolmount East Field 262, 263, 264, Tweedsmuir Field 680 Stainton Field 265, 267 Tyne Field 229 location 46 Tolmount Field 8, 22 stratigraphy 227 production history 48-49 cross-section 264 Tynwald Fault Zone 334 summary 51–52 database 265–267 Starling Field 9, 589 development 262 UK Continental Shelf (UKCS) database 593 diagenesis 270 appraisal wells 3, 3 development 591 exploration history 262 cumulative commercial resources 21 exploration history and appraisal 589 location 262, 263 exploration history 19–24, 20 location map 590 porosity and permeability 269 exploration performance 24–27 production history 600, 602 regional context 262–265 exploration wells 3, 3 reservoir and petrophysics 598 reserves 270–271 fields 3, 5 seismic section 599 reservoir petrophysics 268–270 future 27–28 stratigraphy 591 seismic section 265, 266 growth by decade 3 summary 604 source 265 history xii trap 593, 594 stratigraphy 268 map 20 well correlation 601 summary 271 subdivision 19, 20, 22, 23, 24, 25, 26, 27, Stassfurt Halite Formation 152, 220 trap 267–268 29, 30 Statfjord Field 815, 851 well correlation 264 wells drilled 22 Statfjord Formation 12 Tommeliten Field 489 wells drilled by play 26 Dunlin cluster 819 Toni Field 718 Upper Scott Sandstone Member 779, 782, Hutton Field 852 Tonto Field 479, 479 782, 787, 788 Penguins cluster 916, 919, 921–922, 922, Topaz Field 8, 226 923, 924 database 230 Vaila Formation, Glenlivet Field steam flooding 570 development 228 958, 964 Stella Field 10 exploration history 228 Vale of Pickering gas fields 7 database 609–610 gas volumes 237, 238 basin evolution 83–84 development 606–608, 607 location map 226 database 85 exploration history 606 production history and reserves development 82–83 location 607 237–238 exploration history 82 regional context 608–609 regional context 229 gravity data 85 reserves 615 reservoir deposition 229 location 83 reservoir and petrophysics 612–614 reservoir and petrophysics 233 petrophysics 89–90 seismic section 611 seismic data 230 production and reserves 90–92 stratigraphy 608–609 stratigraphy 227 regional context 83–85 summary 615–616 summary 239 reservoir 88–89 trap 610–612 trap 232 seismic data 85, 87 Stirling Field 718 well correlation 236 source rock 84–85 Stockbridge Field 75 Tor Field 489 stratigraphy 84 Storrington Field 75 Tor Formation 10, 362, 488, 606, 609, 610, summary 92–93 Stratherey Field 851 888, 888–889, 889 trap 85–87 Stronsay Group 416 Machar Field 526, 528, 529 well correlations 88 Suilven Field 980 Mungo Field 537, 539, 540, 544, 545 Valhall Field 489 Sullom Voe 22 reservoir properties 421–422 Valhall Formation Surprise Field 706 Tormore Field 12, 23, 932, 953, 959, Blake Field 651 967, 980 Britannia Field 666 T Shale Member 782 database 970 Buchan Field 683 Tadan Field 718 development 967–968 Culzean Field 426 Tarbert Formation exploration history and appraisal 967 Goldeneye Field 755 Dunlin Cluster 823 location map 968 Varadero Field 10, 399 Osprey Field 818, 820 porosity–permeability 975 development 401 Pelican Field 910 production history and reserves exploration history 400–401 Skye Field 815 976–977, 977 location map 400 Tartan Field 768 regional context 968–969 production history and reserves Tay Sandstone Member reservoir and petrophysics 974–976, 974, 409–410 Catcher Field 399, 400, 408 975 regional context 403 Western Platform 560, 563 summary 977–978 reservoir and petrophysics 407–409 Tayport Formation, Buchan Field 679 well correlations 972 seismic database 404, 405 Tees Field 264 Tornado Field 953, 980 summary 411 Teesside Gas Processing Plant 115 Torridon Field 980 trap 407–409 Telford Field 718 Trent Field, location map 226 TWT structure map 402 Tern Field 815, 851, 907 Triassic period 133 Variscan Cycle 112 Theddlethorpe Gas Terminal 275, 275 palaeogeography 503 Variscan Orogeny 114, 133, 193, Thelma Field 718 Triassic pod play 10 262–263, 290 Theta Graben 771 Triton Anhydrite Formation 220 Variscan Unconformity 67 Thistle Field 815 Tudor Rose Field 768 Verbier well 24, 27, 28 Thistleton Fault 62, 67 Tullich Field Victory Field 959, 968, 980 Thornham Field 560 development 839 Viking Complex 8, 273 1076 INDEX

Viking Fields 21, 273 Westbury Formation 74, 78, 79 exploration history 625 database 277–278 Western Graben 652 faults 625 development 275–276 Western Platform discoveries 560 location 618 exploration history 273–275 development 570–571 porosity and permeability 427 location map 274, 275 regional context 562–564 production history and reserves production history and reserves 285–286 stratigraphy 564, 565 631–632, 632 regional context 276 well correlations 566 regional context 620 reservoir and petrophysics 282, 284–285 Westoe Coal Formation 133, 151, 152, 152, reservoir petrophysics 626, 425 seal 277–278, 285 158, 220, 229, 288 reservoir quality 427 summary 286–287 Kilmar Field 245 stratigraphy 622 trap 277–278, 279–280 Westphalian 144, 148 summary 632–633 well correlations 283 reservoir properties 219 trap 623 Viking Gn & Wx 21, 274, 276, 279, sequence stratigraphy 297 well log 628 280, 280 Westphalian A, B, C, D 180 Wood Review 28 Viking Graben xii, 12, 870 Westphalian sandstone 131 Woodsfold Fault 62, 67 Visean, reservoir properties 218 Westray Field 718, 768 Wressle Field 7 vitrinite reflectance, Cleveland Basin 85 Whirlwind Field 23 Wytch Farm Field 23, 24 Volund Field 7, 838 Whitbeck Field 335 Whitehurst Group 152, 245 Yare Field 21 water-alternating-gas (WEG) injection 6 Whitewell fault 64 Yawl Sandstone 755 Watt Field, location map 226 Whittle Field 262 Yeoman Field 718 Weald Basin 7, 74, 75, 76 Widmerpool Gulf 217 Yoredale Formation 8, 109, 112, 114 weissliegend 193 Wingate Field 7, 8, 229, 288 Welton Field 7 database 293–294 Zechstein Group exploration history 45 development 289 Acorn/Beechnut fields 349, 350, 352 location 46 exploration history 288 Alma Field 360, 361, 362, 364, 365 production history 47–49 formation water 299–300 Breagh Field 112, 114 summary 51–52 halite scaling 300 Carrack Field 120, 124 Werraanhydrit 152, 193, 220 location map 226, 289 Catcher Field 401 Wessex Basin 20,24 porosity v. permeability 298 Crosby Warren 56, 57 West Bank High 652 production history and reserves Cygnus Field 152 West of Britain 297–300 Endurance 164 exploration history 23–24 regional context 290 Hewett Field 190, 193 location 20 reservoir and petrophysics 294, 297 Innes Field 488 West Don Field 907 seismic section 291 Jasmine Field 499 West Firsby Field 55 sequence stratigraphy 293 Juliet Field 220 West Franklin Field 9 stratigraphy 290–291, 290, 292 Morag Field 897, 898 database 438 summary 301 reservoir properties 366, 367–368 location map 437, 448 trap 294 Sean Fields 257 production history and reserves well correlations 295, 296 Shearwater satellite field 589 442–445 Wingfield Flags 55, 57,58 Silver Pit Basin 229 summary 445–446 Winterton Formation 220 stratigraphy 899 West Lancashire Basin 9 Winterton High 120 Tolmount Field 264, 266 West of Shetland (WoS) 24, 992 Wissey Field 21 Vale of Pickering 83, 84 exploration history 23 Witch Ground Graben 652, 671, 718 Viking Fields 12, 285 location 20 Wollaston Field 21, 262, 263, 264 Wingate Field 291 performance 25–27 Wood Field 10, 372, 391 Zechsteinkalk Formation 7, 191, 191, 193, West Shetland Platform 969 cross-section 621 194, 195, 199, 200, 220 West Sole Field 20, 21, 218 database 623 character 197 West Wick Field 706 development 619 reservoir properties 196–198