NAGECO
North African Geophysical Exploration Company (NAGECO) was formed as a joint venture company between the National Oil Corporation (NOC) of Libya and Western Geophysical of Canada on the 30th of June 1987. In 2009 NOC assumed full ownership of NAGECO Inc.
Since it’s formation, NAGECO has continually operated at least two seismic field crews and provide a serves in the Libyan Oil Sector bought 2D &3D with a proven package of services at competitive prices using a combination of leading edge equipment , personnel trained to the highest industry standards and a rigorous Health, Safety and Environment (HSE) programme, NAGECO, with its many years of experience, offers complete data acquisition services as well as data processing.
NAGECO’ s core field equipment includes Sercel Nomad 65 vibrators as well as anew Sercel 428 recording system. Our modern equipment lets NAGECO offer reliable, proven solutions and , linked with our many years of experience , ensuring the Murzuk Sand Sea absolute minimum of downtime . NAGECO
NAGECO currently operates two fully equipped 3D crews capable of working in all types of terrain .
Using Sercel’s modern telemetric recording systems permits NAGECO to address the most demanding of parameters and to meet the ever increasing demand for a higher number of channels .
Over the years NAGECO has carried out many 3D and 2D surveys for a variety of clients , including waha , Total , Agoco , Zueitina , Wintershall ,Sirte ,Agip Gas , Veba , Ina- Naftaplin OXY , RWE and Alepco .
Health ,safety and Environmental concerns are fully addressed and complied with through NAGECO’s rig orous HSE policy which covers all areas of the company. All crews are equipped with ambulances and its HSE department constantly monitors compliance of every department to the HSE standards that clients (and NAGECO) requires. HSE NAGECO
NAGECO communications network between the field crews and town is maintained using satellite internet and satellite telephones as well as cell phones , where coverage allows . All field vehicles are fitted with modern Motorola FM radios . Garmins are also available .
Surveying is carried out using modern leica 12oo series GPS field equipment, our fully trained and equipped survey teams carry out the complete survey at field level ,using the most modern processing , mapping and imaging software. From the establishment of control networks through to the final mapping and survey reporting , all the surveying is done on site in the field .
Data copying and storage are additional services that NAGECO offers .Data storage solutions, such as, Cartridge, CDR and Exabyte are the preferred media of most clients
NAGECO has Data Processing Centre, enabling NAGECO to offer clients a complete solution from programme design to fully processed data.
North African Geophysical has, over the last 30 years, gained a prominent position as one of the leading seismic contractors in Libya. We look forward to the next years. DATA PROCESSING CENTRE Management Structure
Chairman Of The Board
Finance & Legal Auditor Advisor Operation Administration Office Director Director
Finance & Operation Administration Manager Manager Libya Opportunities
Several successful joint and partnership with international service companies NOC-NAGECO- ION Libya span offshore multiclients non exclusive seismic acquisition , processing and interpretation Our vision
We are open to be apart of any joint venture or project basis share.
Training partnerships.
Certification of HSE standards.
Technology Transfer. MEDITERRANEAN SEA TECTONIC MAP BINGHAZI BASIN R OF BINGHAZI MARMARICA TROUGH LIBYAN BASINS
JAGHBUB
JABAL TROUGH ASSAWDA VOLC. LEGEND
DUR AL QUSSAH TR. SIRT BASIN THE HYDROCARBON POTENTIAL OF LIBYA MURZUQ BASIN
KUFRA BASIN
NIGER
CHAD
SUDAN Objectives
To demonstrate that large amounts of hydrocarbons have been generated and expelled in the Libyan sedimentary basins.
A relatively small proportion of the expelled hydrocarbons has been discovered and substantial amount remains undiscovered. Cumulative reserves and cumulative oil production
Cumulative Original Reserves 22 23 40 21 40 1920 35 18 35 17 16 30 1415 30 13 REMAINING 25 11 12 25 10
20 9 20 8 Cumulative Oil Production 15 7 15 6 5 10 10 4 PRODUCED 3 5 5 2 1
1. Bahi 9. Jalu 17. Abu Attifel 2. Dahra-Hafra 10. Samah 18. Messlah South 3. Nasser 11. Masrab 19. Messlah North Principal 4. Amal 12. Jabal 20. Bouri Discoveries 5. Dayfah 13. Sarir L 21. Al Sharara 6. Waha 14. Nafurah 22. Al Wafa 7. Raqubah 15. Awjilah 23. Elephant 8. Sarir C 16. Intisar
SIRTE
Hs205(v) Remaining recoverable reserves peaked at 29.8 billion barrels in 1967.
30 30
25 25
20 20
15 CATEGORY ‘A’ 15
10 10
5 5 CATEGORY ‘B’ CATEGORY ‘C’
CATEGORY ‘A’: Giant fields, 500 million barrels (22 oil pools)
CATEGORY ‘B’: Smaller commercial fields or satellites (137 oil pools) CATEGORY ‘C’: Marginal discoveries, not yet developed (over 200 oil pools or oil tests)
SIRTE
Hs 216 D.V.L 24/01/03 Exploratory drilling results, 1957-2004
800 731 700 Success Rate: 34% Successful: 770 600 503 Exploration wells: 2, 286 500 435 347 400
257 270 300
Wells (A1, A3) & A2 179 200 136 112 86 100
0 1957-1965 1966-1974 1975- 1983 1984-1992 1993-2002 Years Exploration (wildcat) drilling and World oil price per barrel
120
5 40 100 8 35 C1 C2 C3 80 6 30
25 60 9 4 7 20 3 40 15
10 20 1 2 5
Legend Internal Events: 1 . First major discoveries in Libya 2 . First Libyan oil production 3 . October War C1 Posted price dispute 4 . Iranian Revolution C2 Libyan Revolution 5 . Beginning Iran- Iraq War C3 US sanctions imposed on Libya 6 . Saudi government abandoned fixed oil price 7 . End of Iran-Iraq War 8 . Gulf War 9 . OPEC increased production to 27.5MMb per day
Exploration drilling per year SIRTE
Hs202 Oil Potential Studies
SIRTE LOCATION OF REGIONAL OIL POTENTIAL STUDIES 1996-2003 8° 9° 10° 11° 12° 13° 14° 15° 16° 17° 18° 19° 20° 21° 22° 23° 24° 25° 26° 35° 35°
34° 34°
33° 33°
32° 32°
31° 31°
30° 1 30° 6 29° 4 29°
28° 2 28° 3 27° 27°
26° 5 26°
25° 25°
24° 24°
23° 23°
22° 22°
21° 21°
20° 20°
19° 19°
Scale
Methodology for Oil Potential Studies
Used volumetric material balance approach:
Geology, structure and source-maturation geochemistry, spore colouration and BasinMod were used to map potential source rocks. Organic matter type and richness were based on well control. Kinetic modeling was used to calculate hydrocarbons generated and expelled from the source-kitchens. Discovered original oil (or oil equivalent) in-place (OOIP/OOEIP) reserves were compiled. The undiscovered amount defines the remaining potential. GHADAMIS AND MURZUQ BASINS Location of structural cross sections
MEDITERRANEAN SEA TECTONIC MAP BINGHAZI BASIN R OF BINGHAZI MARMARICA TROUGH LIBYAN BASINS
JAGHBUB
JABAL TROUGH ASSAWDA VOLC. LEGEND
DUR AL QUSSAH TR. SIRT BASIN
MURZUQ BASIN
KUFRA BASIN
NIGER
CHAD
SUDAN Structural cross-section X – X’
NORTH SOUTH
x x’ D1-23 D1-NC100 A1-90 R1-52 A1-NC151 D1-NC151 L1-NC115 F1-NC58
B1-23 E1-23 J1-90 L1-26 E1-52 C1-NC151 B1-NC115 C1-NC58 H1-NC58 KOURNEIDA-1
N.W. Murzuq Basin Tigi Fault Meaditerranean System
Sea Datum: Sea Level Datum: Sea Level
1000ft 1000 Kms Source Rock
West Murzuq Garian High Ghadamis Basin Al ‘Atshan Saddle High Murzuq Basin Djado Basin
North - South structural cross-section across
HS212 Ghadamis and Murzuq Basins Nattah01/03 Structural cross-section Y – Y’, Ghadamis Basin
Y Y’ E2-90 J1-90 D1-26 K1-26 B1-26 Q2-NC7 T1-66 E1-60 C1-30 B1-39 C1-39 A1-39 C1-43
Gazeil - Kabir Fault Western Ghadamis Zam Zam NW Sirte Basin Basin Graben Waddan Hun Graben Uplift Dur Al Abid Trough Datum: Sea Level
1000ft
Source Rock 50 Kms East - West structural cross-section
across Ghadamis Basin HS210 Nattah01/03 Structural cross-section Z – Z’, Murzuq Basin
Z Z’ G1-NC58 J1-NC101 C1-NC101 A1-76 F1-NC58 D1-NC58 E1-NC101 A1-64 A1-77
Al Haruj Western Murzuq Basin West Murzuq Central Murzuq Basin Eastern Murzuq Basin High Dur Al Qussah Datum: Sea Level Basin
Volcs
Permian Granite
Source Rock
East - West structural cross-section across Murzuq Basin HS211 Nattah01/03 Net thickness of highly radioactive Lower Tanezzuft shales
8º 10º 12º 14º 16º Tripoli Misuratah
32º 32º
Sirt
Ghadamis Basin NW 30º SIRT 30º BASIN
28º 28º Silurian Erosional Silurian Edge Conc. NC 151 Absent
26º 26º
Murzuq Basin
24º 24º
‘0’ RA Shale 0 - 50’ 50 - 100’ 100 - 150’ 22º 22º >150’ N I G E R 10º 12º 14º 16º
Net Cumulative Thickness Map Highly Radioactive Zone, SIRTE Basal Tanezzuft HS150col. ADS04/99 Organic maturity at the base of Tanezzuft Shale
8º 10º 12º 14º 16º Tripoli Misrata
32º 32º
Sirt
Ghadamis 30º ‘O’ RA 30º Shale basin
28º 28º
Silurian Conc. NC151 Absent
26º 26º
Murzuq Basin
24º ? 24º
‘0’ RA Shale
Early Mature Mature/Late Mature 22º 22º Overmature N I G E R 10º 12º 14º 16º
Source Maturation Trends for Basal Tanezzuft SIRTE HS128SMT ADS 08/00 WESTERN OFFSHORE Tectonic elements, Western Offshore, Libya
RAGUSA-MALTA 16°E 36°N 11°E PLATEAU 36°N Malta
Cercina MEDINA Isis Jarrafa PLATEAU
Miskar Ashtart D1-NC41 SABRATAH B o u r i BASIN A’
El Biban
TRIPOLI
A Misratah
GHADAMIS BASIN 31°N WADDAN PLATFORM
Legend 0 Km 100 Platforms Oil fields Scale Troughs Gas fields 11°E 16°E
Tectonic elements, western offshore, Libya HS206(V) HSD01/03 Schematic N – S cross-section, Western Offshore, Libya
S N JIFARAH BASIN SABRATAH BASIN BOURI FIELD A A’
SABRATAH- CYRENAICA FAULT SL Feet
-5,000’
-10,000’
-15,000’
Kilometres 0 50
-20,000’
Post Miocene Oilgocene-M. Eocene Palaeocene Cretaceous Pre-Jurassic
Miocene Lower Eocene Volcanics Jurassic Salt
Schematic cross-section, Sabratah Basin,
western offshore, Libya HS207(V) THE SIRT BASIN Location of generalized structural cross-section S – S’
MEDITERRANEAN SEA TECTONIC MAP BINGHAZI BASIN R OF BINGHAZI MARMARICA TROUGH LIBYAN BASINS
JAGHBUB
JABAL TROUGH ASSAWDA VOLC. LEGEND
DUR AL QUSSAH TR. SIRT BASIN
MURZUQ BASIN
KUFRA BASIN
NIGER
CHAD
SUDAN Gereralized East-West cross-section S – S’, Sirt Basin
W E HATEIBA-SAHL RIDGE AL HARUJ AZ ZAHRAH-AL HUFRAH ZALTAN AMAL CYRENAICA PLATFORM PLATFORM PLATFORM HIGH PLATFORM ZALLAH HAGFA WADAYET AJDABIA MARAGH S TROUGH TROUGH TROUGH TROUGH TROUGH S’ AR RAQUBAH WADI FIELD FIELD
Sea Level 0’ 0’
Triassic
-10,000’ -10,000’
-20,000’ -20,000’ Source Rock
Gargaf Nubian Triassic Upper Palaeocene Eocene Oligo- Cretaceous Miocene
East-West schematic structural cross-section across Sirt Basin SIRTE HS208 DVL 24/01/03 Location of structural cross-sections, Sirt Basin
17°E 18°E 19°E 20°E 21°E 22°E 23°E 23°30E 30° 30° 30’ 30’ N N Gulf of Sirte Marsa El Brega TECTONIC ELEMENTS, OIL AND GAS FIELDS JAHAMA AND LOCATION OF STRUCTURAL CROSS-SECTIONS
BAZUZI PLATFORM 30° + + + + + 30° BUGREA + + + + + + + N N HATEIBA - SAHL
BAHI ‘A’ ALI HATEIBA RIDGE MABRUK ALMAS ARBAB DUR AL-ABD CYRENAICA PLATFORM
TROUGH ATTAHADDY M1-17 MARAGH AZ ZAHRA + + + + + + SAHL AJ+DABIYA + TROUG+ H 8’ + + + AMAL U HAGFA A1-NC84 FACHA AS SARAH HUFRAH WADAYET FATAH TAGRIFET ARSHAD TROUGH A1-95 FARRUD SIHABI ‘D’ AMAL- TAKHIRA LEHIB AZ ZAHRA - HUFRA AMAL ‘Y’ BUMRAS SIHABI ‘B’ PLATFORM SORRA NAFOORA TROUGH MEHEIRIGH ‘B’ JAGHBUB HIGH
GHANI RAGUBA ZALTAN TROUGH ‘C’ INTISAR ‘A’ HIGH 29° FIDDA + EDDIB + + + + + + 29° MEGHIL + + + + + A1-LP4F N INTISAR ‘D’ N NASSER 4’ ABU ATTIFEL
FARIGH TUAMA HIRAM RALEH ‘E’ 10’ HAKIM
ZALLAH “YY” HAMEIMAT R-82 ‘L’ TROUGH DOR KOTLA KK-82 JEBEL ORA ZALLAH BUALAWN HAMID TROUGH + + + + + PLA+TFORM HARASH J-59 KOTLA ZAGGUT + + GG-59 + + + + B-? TROUGH BEDA AL BAYDA 8 MASRAB KARIM GATTAR PLATFORM MAGID EE-80 SOUTH HAMEIMAT WAHA KK-80 TROUGH ‘DDD’ FAREGH TROUGH SABAH BALAT FAREGH RIDGE CHADAR HH-80
0-80 5I5-59 SAMAH 5H T-80 KHALIFA MESSLAH DEFA 4T-59 28° + + + BEL + 28° + HEDAN + + + + + + + TAZIRBU N MESSLAH HIGH HIGH N
JJ-65 4 10 SARIR ‘L’ SARIR TROUGH SARIR ‘N’ B-NC177
SARIR + + + + + + + + + + + + DUR ATTALHA SOUTH SARIR HIGH SUB BASIN
+ + + 27° 27° + + + + + + + + + N N
+ + + + + + + + + + + +
0 50 100 Km
26° 26° N N 17°E 18°E 19°E 20°E 21°E 22°E 23°E 23°30E
H.S.FOLDER - ATLAS (TEC) A DVL 2005 Structural cross-section 4 – 4’, Sirt Basin
WEST EAST C C’
D1-85 Y1-59 H1-47 J1-47 K1A-47 L1-13 F1-13 D2-104A C240-6 DD2-6 LLL1-6 LL1-6 EE1-6 K.B.778’ K.B.827’ K.B.789’ K.B.479’ K.B.311’ K.B.488’ K.B.487’ K.B.617’ K.B.639’ K.B.533’ K.B.433’ K.B.395’ K.B.362’ T.D. 11,559’ T.D. 11,790’ T.D. 9608’ T.D. 9984’ T.D. 5994’ T.D.6799’ T.D.13,020’ T.D.13,149’ T.D.7911’ T.D.7911’ T.D.8675’ T.D.10,810’ T.D.16,238’
AL BAYDA RIDGE
ZALTAN PLATFORM
KOTLA GRABEN 1000’
Source - shale 0 25 km Source Rock HAGFA TROUGH WADAYET TROUGH SIRTE Regional Structural Cross-Section C-C’ H.S.175(vg) D.V.L. 25/06/02 Structural cross-section 10 – 10’, Sirt Basin
SW NE B B’ B 1-65 5I5-59 3U 2-59 O1-80 B 1-80 K1-80 (PROJ.) D1-NC98 A 68-100 B1-NC98 VV-82
K.B.526’ K.B.486’ K.B.412’ K.B.423’ K.B.235’ K.B.263’ K.B.229’ K.B.201’ K.B.352’ K.B.363’
GR SO NIC G R SO NIC GR S ON IC G R S ON IC DAT UM : SEA L EVEL G R NE UTR ON G R N EU TRO N G R S ON IC DAT UM : SEA L EVEL
G R SO N IC 1000 1000 1000 1000 1000 1000 1000 1000 GR SO NIC
GR SO NIC 2000
AUGILA 3000 3000 3000 3000 3000 3000 3000 3000 3000 3000
K ALASH
6000 6000 KH EIR 6000 6000 6000 6000 6000 6000 6000 6000
KAL ASH
H RZ HRZ 9000 9000 9000 9000 9000 9000 9000 9000 9000 9000 HRZ ET EL 2500 BO PD 10000 35.7°AP I HRZ ? 10000 10000 T. D. 10000 T.D. 9, 631 ’ 1 0,1 93’ T.D. T.D . 10, 306 ’ HRZ ? T.D.1 0,5 71’ 1 0,4 96 ’ ?
12000 12000 12000 ? 12000 12000 T.D. 1 2,4 82 ’
14000
FAREGH TROUGH MESSLAH HIGH T .D.1 4,0 55’ ? 15000 15000 ? T.D.1 5,2 34 ’ ? ? 16000 ? Source Rock T.D . T.D. 371 3 BO PD 16, 197 ’ 37°API 16, 000 ’ 5.3 MM CF /D Potential Source-rock HAMEIMAT TROUGH ABU ATTIFEL
0 20km HS160(fig)(B S2) D .V.L 10/01 Structural cross-section 8 – 8’, Sirt Basin
SOUTHWEST NORTHEAST AM4 Q1-59 L1- 103 K1 -103 N1-103 C 1-12 BB1- 12 F1-102 J1-102 H1-59 G56-51 G30-51 G50-51 A2-96 L1-51 D1-51 AM4’ K.B. 472 ’ K.B.4 18 ’ K.B.3 88’ K.B.3 74’ K.B.3 63’ K. B.34 1’ K. B.22 2’ K.B.220’ K.B.137’ K.B.167’ K.B.105’ K.B.125’ K.B.100’ K.B.105’ K.B.135’
DATUM : S EA LE VEL DATUM : SEA L EVEL
50 0 500 5 00 5 00 5 00 500 500 50 0 5 00 50 0 50 0 50 0 50 0
100 0 100 0 1 00 0 1 00 0 100 0 10 00 10 00 1 00 0 10 00 10 00 1 000 1 00 0 10 00 10 00 10 00
1 500 15 00 1 50 0 1 50 0 150 0 15 00 15 00 1 50 0 15 00 1 500 1 50 0 15 00 15 00 1 500 15 00
2 00 0 20 00 2 00 0 2 00 0 20 00 20 00 20 00 2 00 0 2 00 0 20 00 2 000 20 00 2 000 200 0 20 00
2 50 0 2 50 0 25 00 2 50 0 25 00 25 00 25 00 2 500 2 50 0 2 500 2 500 25 00 2 500 25 00 25 00
3 00 0 30 00 3 000 3 00 0 300 0 30 00 3 000 30 00 3 000 300 0 3 000 300 0 3 000 30 00 30 00
3 50 0 35 00 3 500 3 50 0 350 0 35 00 35 00 3 500 35 00 3 500 350 0 35 00 35 00 350 0 3 500
4 00 0 40 00 4 00 0 400 0 40 00 4 000 4 00 0 4 000 4 00 0 Sal t 4 000 40 00 40 00 40 00 400 0 Wat er 4 00 0
4 500 45 00 4 500 4 50 0 450 0 930’ M 3200’ Sul. 45 00 45 00 4 500 4 500 S.W. 4 500 450 0 4 500 45 00 45 00 450 0
5 000 50 00 5 000 5 00 0 500 0 50 00 5 000 50 00 5 000 500 0 5 000 500 0 5 000 50 00 50 00 55 00 5 50 0 5 500 55 00 Water 5 50 0 55 00 5 50 0 5 500 5 50 0 55 00 5 500 5 500 55 00 55 00 5 50 0 60 00 6 00 0 60 00 6 000 6 000 600 0 6 00 0 6 0 0 0 6 00 0 600 0 60 00 6 000 6 000 6 00 0 60 00
650 0 650 0 65 00 6 50 0 6 50 0 65 00 6 50 0 6 500 65 00 6 50 0 6 50 0 65 00 6 500 65 00 65 00 70 00 7 000 700 0 70 00 120’Oil (32° API) 7 000 700 0 7 00 0 70 00 1580’G as 7 00 0 7 00 0 30’ Oil 70 00 70 00 70 00 700 0 70 00 750 0 1720 BO PD OC M 75 00 750 0 75 00 (36° API) 75 00 7 50 0 Mud & Water 7 500 75 00 N O LOGS 7 500 750 0 7 50 0 75 00 750 0 75 00 75 00 800 0 8 00 0 80 00 800 0 8 000 800 0 8 000 80 00 8 000 8 000 800 0 800 0 800 0 80 00 80 00 8 50 0 8 500 850 0 8 500 850 0 85 00 850 0 8 500 8 50 0 8 500 850 0 85 00 8 50 0 85 00 85 00 1 900 0 2 900 03 90 00 4 9 00 0 9 00 0 90 00 900 0 9 000 9 000 T.D.8917’ T.D.8768’ 90 00 900 0 900 0 950 0 5700’ Oil 95 00 9 50 0 950 0 (42° API) 950 0 95 00 7890’ Oil 95 00 T.D.9322’ 310’ O il 9 500 (33 .5° API) 9 500 95 00 95 00 95 00 10 000 10 00 0 10 000 100 00 10 000 1 000 0 1 7’ M 108 B O il 1 000 0 1 000 0 1 000 0 100 00 T.D.9974’ 10 000 T.D.1 0,295’ (39.9° API) 105 00 Tr S.W. BASEMENT T.D.10,101 ’ 10 500 650,000 ppm 105 00 10 50 0 94 BO 1: 471’ Oil (36° API) T.D.10,2 79’ 34° API 105 00 2: 2660’ O il 1 050 0 1 050 0 3: 465’ Oil Salt Water T.D.10, 690’ 47 BO & Gas T.D.10,48 5’ 11 000 (67,000 ppm Cl) 4: 756’ Oil ,G & WCM 110 00 55.4° A PI + 5714’ Sw. T.D.10,725’ 11 00 0 11 00 0 11 00 0 38 BO 42 BO & G as 11 500 30° API 28.3° API 115 00 11 50 0 Re c. 1 150 0 1 150 0 12 000 180’ Oil (37° API) 120 00 12 00 0 3420 OG & MCSW (60,0 00 p pm) 12 00 0 12 00 0 T.D.12,315’ T.D.12,1 95’ NAFOORA OILFIELD T.D.12,030 ’ CYRENAICA 12 500 Blo w of 12 50 0 PLATFORM Ga s T.D.12 ,715’ Inte rva l MARAGH Geoc hemicall y T.D.12,968’ An alys ed
0 4 8 12 16 2 0 km A Source Rock
ZALTAN MARAGH PLATFORM AJDABIYA TROUGH NAFOORA HIGH TROUGH Regional Structural Cross-Section AM4 - AM4’ SIRTE HS234 D.V.L 8/12/03 Net cumulative thickness, Nubian and Triassic source-shales
17°E 18°E 19°E 20°E 21°E 22°E 23°E 23°30E 30° 30° 30’ 30’ N N NET CUMULATIVE THICKNESS OF MID NUBIAN AND TRIASSIC JAHAMA POTENTIAL SOURCE-SHALES IN SIRT BASIN, LIBYA. PLATFORM BA ZUZI 30° + + + B UGREA+ + + + + + 30° N H I v s O I plot fo r the Mid N ubian N so urc e-sha le in H am e ima t-G ialo Tro ug hs , HATEIBA - SAHL Southe as ter n Sir t Ba sin, Libya .
BAH I HATEIBA RIDGE M ABRU K DUR AL-ABD CYRENAICA PLATFORM
TROUGH ATTA HADDY M 1-17 MARAGH + +AZ ZAHRA + + + + SA HL AJ+DABIYA + TROU+GH HAGFA AMAL U A1-NC 84 FACHA AS SARAH HUFRAH WADAYET FATA H ARSHA D TROUGH A1-91 SIH ABI ‘D’ AMAL- JAK HIRA LEHIB AZ ZAHRA - HUFRA AM AL ‘Y’ SIHABI ‘B’ PLATFORM SORR A NAFOORA TROUGH ‘B ’ JAGHBUB HIGH GHAN I ‘C ’ RA GUBA ZALTAN TROUGH 29° FIDDA + + + + + + + INTISAR ‘A’ HIGH 29° M EGHIL + + + + + A1-LP4F N IN TISAR ‘D ’ N N ASSER ABU ATTIFEL FARIGH TUAM A HIRAM R ALEH ‘E’ HAKIM
ZALLAH “YY” HAMEIMAT R-82 ‘L’ TROUGH KO TLA KK-82 JEBEL O RA ZALLAH HA MID TROUGH PLATFORM HARASH J-59 + + + + + + GG -59 KOTLA ZAG GUT + + + + + + B-? TROUGH BED A AL BAYDA MA SRAB GATTAR PLATFORM MA GID EE-80 SOUTH HAMEIMAT WAHA FAREGH KK -80 TROUGH
RIDGE SAB AH CH ADAR TROUGH HH-80
0-80 5I5-59 SAM AH 5H T-80
4T-59 MESSLA H DEFA 28° + + + + BEL + + HEDAN + + + + + + TAZIRBU 28° N MESSLAH HIGH HIGH N
JJ-65 SARIR ‘L’ SARIR TROUGH SAR IR ‘N ’
SARIR + + + + + + + + + DUR ATTALHA SOUTH SARIR HIGH SUB BASIN
+ 27° 27° + N N
+
0 50 100 K m
26° N 23°30E
H.S.FO LDE R - ATLA S (TEC ) A DV L 2005 Net cumulative thickness, Rachmat-Sirte source-shales
17°E 18°E 19°E 20°E 21 °E 22 °E 23°E 2 3°30E 30° 30° 3 0’ 30’ N NET CUMULATIVE THICKNESS OF UPPER CRETACEOUS N SOURCE-RICH SHALES JAHAMA (IN RACHMAT-SIRTE AND ETEL FORMATIONS), PLATFORM BAZUZI SIRT BASIN, LIBYA. 30° + 30 ° + + BUGR E+A + + + + + + + + N N HATEIBA - SAHL
BAHI HATEIBA RIDGE M ABRUK DUR AL-ABD CYRENAICA PLATFORM TROUGH M 1-17 ATTAH ADDY MARAGH AZ ZA HRA SAHL AJDABIYA + + + + + + + + TROU+GH + + + HAGFA A MAL U A1-NC84 FACH A AS SARAH HUFRAH WADAYET FATAH A RSHAD A1-91 TROUGH SIHABI ‘D’ AMAL- TAKHIRA AZ ZAHRA - HUFRA LEHIB AM AL ‘Y’ SIH ABI ‘B’ PLATFORM SO RRA NAFOORA TROUGH ‘B’ JAGHBUB HIGH TROUGH GHA NI RAGUB A ZALTAN ‘C’ 29° FIDDA + + + + + + + INTISAR ‘A’ HIGH 29° M EGHIL + + + + + N INTISAR ‘D’ A1-LP4F N NASSER ABU ATTIFEL
FARIGH TUAMA Out line of HIRAM RA LEH ‘E’ HAKIM Etel Sal t
“YY” HAMEIMAT R-82 ZALLAH ‘L’ TROUGH KOTLA KK-82 JEBEL ORA ZALLAH HAM ID J-59 TROUGH PLATFORM HARASH + + + + ZAGG+UT KOTLA + + + GG-59 + + + + B-? TROUGH BEDA AL BAYDA MASRA B GATTAR PLATFORM M AGID EE-80 SOUTH HAMEIMAT WAHA FAREGH KK-80 TROUGH C HADAR SABAH RIDGE TROUGH HH-80 B EL 0-80 H ED AN 5I5-59 SAM AH 5H T-80
4T-59 M ESSLAH 28° DEFA 28° + + + + + + + + + + + + TAZIRBU N MESSLAH HIGH HIGH N
JJ-65 SARIR ‘L’ SARIR TROUGH SARIR ‘N’
SARIR + + + + + + + + + + + + SOUTH DUR ATTALHA SARIR HIGH
SUB BASIN
27° 27° + + N N
+ +
0 50 100 K m
26° N 23°30E
H S FOLD ER ATLAS
Maturity at the top of Sirte Shale, Sirt Basin
17°E 18°E 19°E 20°E 21°E 22°E 23°E 23°30E 30° 30° 30’ 30’ N Gulf of Sirte N M arsa E l Br ega MATURITY AT TOP SIRTE SHALE, JAHAMA SIRT BASIN, LIBYA. PLATFORM BA ZU ZI 30° + + + BUG RE+A + + + + + + + + 30° N N HATEIBA - SAHL
BAHI HATEIBA RIDGE MABR UK DUR AL-ABD CYRENAICA PLATFORM
TROUGH ATTAHAD DY M1-17 MARAGH AZ ZAHRA + + + + + + SAH L AJ+DABIYA + TROUG+ H + + + HAGFA AM AL U A1-NC84 FACHA AS SARAH HUFRA H WADAYET FATAH ARSH AD TROUGH A 1-91 SIHABI ‘D’ AMAL- TAKHIRA LEHIB AZ ZAHRA - HUFRA AM AL ‘Y’ SIHABI ‘B’ PLATFORM SO RRA NAFOORA TROUGH ‘B ’ JAGHBUB HIGH GHAN I R AGUBA ZALTAN TROUGH ‘C ’ INTISAR ‘A’ HIGH 29° FIDDA + + + + + + + + + + + + 29° MEG HIL A 1-LP4F N IN TISAR ‘D’ N NASSER AB U ATTIFEL
FA RIGH TUAM A H IR AM RALEH ‘E’ HAK IM
ZALLAH “ YY” HAMEIMAT R-82 ‘L’ TROUGH KOTLA KK-82 JEBEL O RA ZA LLAH HAM ID TROUGH PLATFORM HARA SH J-59 + + + + + + + GG-59 KOTLA ZAGG UT + + + + + B-? TROUGH BEDA AL BAYDA MA SRAB GATTAR PLATFORM MA GID EE-80 SOUTH HAMEIMAT KK-80 WAHA FAREGH TROUGH
SABAH RIDGE TROUGH H H-80 CHADAR 0-80 5I5-59 SA MAH 5H T-80
4T-59 M ESSLAH DEFA BEL 28° + + + + HEDAN + + + + + + + + TAZIRBU 28° N H1-72 N L1-72 MESSLAH HIGH HIGH
JJ-65 SAR IR ‘L’ SARIR TROUGH SARIR ‘N’
SARIR
+ + + + + + + + + + + + SOUTH SARIR HIGH DUR ATTALHA
SUB BASIN
HH1-71 EARLY MATURE 27° + + + N + + + + + + + + + 27° N MID MATURE
Maturity at Top Sirte Shale: LATE MATURE Immature + + + + + + + + + + Early mature OVER MATURE Mid mature
Late mature 0 50 100 Km Over mature 26° 26° N N 17°E 18°E 19°E 20°E 21°E 22°E 23°E 23°30E
H .S .FOLD ER - ATLA S (TEC ) D D VL 2005 Inventory of potential source-rocks in Libyan sedimentary basins, (Total volume = 10,402 km3)
Early Mid Late Over TOTAL Mature Mature Mature Mature (km3) BASINS: WESTERN OFFSHORE* (W. OF 15° EAST) GHADAMIS BASIN: Cues, incl. Atshan Saddle 99.5 935.8 336.5 - 1,371.8 Tanezzuft 738.3 1,046.9 277.4 720.6 2,783.2 Tanezzuft, Atshan Saddle 114.5 230.3 206.6 107.3 658.7 SUBTOTAL, GHADAMIS BASIN: 952.3 2,213.0 820.5 827.9 4,813.7 (46%) MURZUQ BASIN (Tanezzuft) 49.3 524.5 219.0 - 792.8 (8%) SIRT BASIN (Upper and Lr. Cret. & Triassic) 434.3 2,665.2 1,015.2 680.7 4,795.4 (46%) TOTAL* (km3): 1,435.9 5,402.7 2,054.7 1,508.6 10,401.9 (100%) * Source rock mapping tentative. (14%) (52%) (20%) (14%) (100%) Distribution of maturity in potential source-rocks in Libyan sedimentary basins, (Total volume = 10,402 km3) Volumes of hydrocarbons generated, expelled and discovered in Libyan sedimentary basins
VOLUME OF VOLUME OF VOLUME OF % HC GENERATED HC EXPELLED HC DISCOVERED HC DISCOVERED BASINS: BBOE* BBOE* BBOOEIP**
Sabratah Basin@ 89 53 8 15 Ghadamis Basin 434 273 7 3 Murzuq Basin 307 181 4 2 Sirt Basin 644 436 116 27
TOTAL 1,474 943 135 14.3
NOTE: * Billion Barrels of Oil Equivalent, ** Billion Barrels of Original Oil Equivalent In-Place, @ West of Longitude 15° E Discoveries amount to 14.3% of hydrocarbons expelled in Libyan sedimentary basins Conclusions
Large amount of hydrocarbons remains undiscovered, particularly in areas of low “Discovery / Expelled Ratio”
The undiscovered hydrocarbons will be found in areas not yet intensively explored
New exploration concepts need to be applied using modern technology.
Stratigraphic trap mapping and deep exploration hold the greatest promise for large discoveries. Future Exploration Plays
Deep Structural Plays: Trough areas in Sirt Basin.
Porosity Pinchout Plays: Platform areas of Sirt Basin, and Silurian and Devonian of Ghadamis and Murzuq Basins.
Conventional Structural Plays: Least explored areas of Murzuq, Kufra and East Libyan Basins.
Unexplored Sedimentary Basins: Largely unexplored Kufra Basin, Eastern Offshore and Eastern Onshore. The End THANK YOU