GTL in the Tail-End Phase of Gas Fields Focus on Small Size Units 1Bernoux, P
2nd International Freiberg Conference on IGCC & XtL Technologies Freiberg, 8th-12th May, 2007
GTLGTL inin thethe Tail-EndTail-End PhasePhase ofof GasGas FieldsFields
FocusFocus onon SmallSmall SizeSize UnitsUnits
P.P. BernouxBernoux 11,, W.W. KleinitzKleinitz 22,, C.C. RyszfeldRyszfeld 11,, E.E. ZindaniZindani 11
1 GAZ DE FRANCE R&D Division
2 GAZ DE FRANCE Produktion Exploration Deutschland GmbH Tail-endTail-end productionproduction isis characterizedcharacterized byby
HighHigh gasgas recoveryrecovery factorfactor (> 80%)
FlowingFlowing pressurepressure belowbelow pipelinepipeline pressurepressure
NonNon constantconstant ((decreasingdecreasing)) gasgas productionproduction High surveillance activity
Precipitation of NaCl, CaCO3
ExpensiveExpensive pipelinepipeline monitoringmonitoring programprogram
klei/schm freiberg\vortrag 10-05-07.ppt 2 / 19 SS MM EE Rütenbrock
Hümmling
Fehndorf Apeldorn
MeppenMeppen Kiel NN ee tt hh ee rr ll aa nn dd ss Hebeler- " Rostock " meer Haselünne Lübeck Annaveen Haselünne " Schwerin Schoonebeek Annaveen Wilhelmshaven Hamburg " Schwefingen " " Rühlertwist Oldenburg Bremen " " Berlin Bramberge Potsdam " Hannover " Osnabrück " "WolfsburgMagdeburg Rühlermoor " " " Emlichheim Adorf Varloh Münster Dessau Cottbus Ringe " " " Halle Essen " Ringe Hagen" Kassel Leipzig Mülheim """""" " Dresden Adorf " Bochum" " " " Erfurt JenaGera " Krefeld "KölnWuppertal" " " " Zwickau" Aachen "Bonn " Scheerhorn " " Koblenz Kalle Dalum " (Gasfeld a.Storage) Wiesbaden Mainz " "" Frankfurt am Main Offenbach" Würzburg Esche " " Ratzel Darmstadt Mannheim Nürnberg " " Heidelberg"" Saarbrücken " Regensburg Georgsdorf " " Lingen Pforzheim" Lingen " Stuttgart Wielen Karlsruhe " Uelsen Augsburg " München Freiburg " Hohenkörben "
Itterbeck-Halle Frenswegen Nordhorn Gasfield Nordhorn
D Do o Gasfield, abandoned rt mrt mu nu dn -d E- Gasstorage mE ms -s K- aK na an E la Oilfield E l Bentheim M M S S Oilfield, abandoned
0510km BentheimBentheim
ProductionProduction areaarea ofof Emsland:Emsland: structurestructure mapmap klei/schm freiberg\vortrag 10-05-07.ppt 3 / 19 Well 1 Well 2 Well 3
Well 4
Compressor
GTL
TypicalTypical evolutionevolution ofof p/zp/z vs.vs. producedproduced gasgas klei/schm freiberg\vortrag 10-05-07.ppt 4 / 19 75
WinterWinter 60
45
30
15 Annual Gas Production Mm³Annual Gas Production (Vn)
0 SummerSummer Time, a
TypicalTypical cycliccyclic productionproduction klei/schm freiberg\vortrag 10-05-07.ppt 5 / 19 Gas quality (%vol)
min max
C1 83 95
C2 0.8 4.5
C3 < 0.6
C3+ < 0.4
CO2 0.8 3.5
N2 1.3 10
66 gasgas fieldsfields underunder considerationconsideration klei/schm freiberg\vortrag 10-05-07.ppt 6 / 19 Production data
min max average
p (bar) 9 55 19
Q (m3(n)/h) 700 1600 1200
66 gasgas fieldsfields underunder considerationconsideration klei/schm freiberg\vortrag 10-05-07.ppt 7 / 19 Compressor Consumer SAV Gas Well 50 bar T
Metering Flare Heater 70 °C (NH ) Cooler 3 0,5 bar 5 °C
Separator Chiller 220 bar 30 °C 0 bar Condensat 5 °C
Heat Condense Tank Exchanger Cooling Chart Glycol- Oil Separator 5,5 bar Glycol-Pump L T.-Separator 20 °C
0 bar Glycol 125 °C 50 bar Regeneration -18 °C
GasGas treatmenttreatment stationstation inin thethe tail-endtail-end phasephase klei/schm freiberg\vortrag 10-05-07.ppt 8 / 19 CoolerCooler
HeaterHeater
FWKOFWKO WellWell 7070 bar,bar, -18°C-18°C
GasGas / / GasGas L.T.-L.T.- SeperatorSeperator 300300 bar,bar, 30°C30°C HeaterchangerHeaterchanger
MeteringMetering StationStation
7070 bar,bar, 10°C10°C ConsumerConsumer 5 bar 0,5 bar 5 bar 0,5 bar TransferTransfer StationStation PressurePressure ReductionReduction 7070 bar,bar, 5°C5°C
3200m,3200m, 95°C95°C 380bar380bar PipelinePipeline
ProductionProduction facilitiesfacilities klei/schm freiberg\vortrag 10-05-07.ppt 9 / 19 ExpectationsExpectations fromfrom GTLGTL inin Tail-EndTail-End
OperatingOperating withwith constantconstant gasgas flowflow fromfrom thethe wellswells
UnlockingUnlocking ofof hiddenhidden gasgas reservesreserves
NonNon specificspecific chemicalchemical compositioncomposition ofof liquidliquid hydrocarbonhydrocarbon (unrefined syncrude)
UseUse ofof moveablemoveable containercontainer unitsunits Æ suppression of pipeline monitoring
klei/schm freiberg\vortrag 10-05-07.ppt 10 / 19 BasicBasic datadata forfor pre-feasibilitypre-feasibility studystudy
ConstantConstant gasgas outflowoutflow:: 30003000 mm3(n)/h(n)/h
GasGas pressure:pressure: 99 barbar
GasGas qualityquality:: averageaverage gasgas fieldsfields qualityquality
GlobalGlobal approachapproach
BasedBased onon provenproven technologiestechnologies
klei/schm freiberg\vortrag 10-05-07.ppt 11 / 19 FischerFischer –– TropschTropsch SynthesisSynthesis Natural Gas
NaphthaNaphtha
DieselDiesel
(-CH -) LubeLube HH22 ++ COCO (-CH22 -)nn WaxesWaxes
Product Syngas Production Product Upgrading & Separation
TypicalTypical GTLGTL processprocess klei/schm freiberg\vortrag 10-05-07.ppt 12 / 19 H2 membrane separation
Excess H2 50 °C 16 bar Steam TailTail GasGas Natural Gas OilOil // waterwater 3000 m3(n)/h separationseparation
H :CO = 2.1 2 ((-CH-CH22 - -))nn 800 °C 250 °C 350 °C 20 bar 15 bar 70 bar Water H2 :CO > 3 Water 2 Syncrude
+/- 300 bl/d
Sulfur Syngas FischerFischer –– TropschTropsch Hydrocracking Removal Production Synthesis SMR FixedFixed BedBed ReactorReactor (Co)(Co)
SelectedSelected GTLGTL processprocess klei/schm freiberg\vortrag 10-05-07.ppt 13 / 19 SMRSMR AppropriateAppropriate toto lowlow pressurepressure SuitableSuitable forfor smallsmall capacitiescapacities
HH2:CO :CO >> 33
…… compared compared toto otherother technologiestechnologies
POxPOx requiresrequires anan expensiveexpensive ASUASU
NN2 ballastballast ifif ATRATR Æ no energy recovery from residual gas
SyngasSyngas productionproduction –– SelectedSelected technologytechnology klei/schm freiberg\vortrag 10-05-07.ppt 14 / 19 CobaltCobalt CatalystCatalyst (vs.(vs. Iron)Iron)
HigherHigher conversionconversion raterate LowerLower byby--productproduct waterwater formationformation
HH2:CO :CO == 2.12.1 requiredrequired ButBut hydrocrackinghydrocracking requiredrequired (waxes)
FixedFixed bedbed reactorreactor SuitableSuitable forfor smallsmall capacitiescapacities GoodGood flexibilityflexibility WellWell--knownknown technologytechnology
Fischer-TropschFischer-Tropsch synthesissynthesis –– SelectedSelected technologytechnology klei/schm freiberg\vortrag 10-05-07.ppt 15 / 19 GlobalGlobal massmass balancebalance
IncludingIncluding waterwater && HH2 recyclingrecycling
Input Output
Natural Gas: 2.3 t/h Residual gas: 0.7 t/h
Water: 0.1 t/h Syncrude: 1.7 t/h
GlobalGlobal energyenergy balancebalance EnergyEnergy efficiencyefficiency:: ~~ 50%50%
klei/schm freiberg\vortrag 10-05-07.ppt 16 / 19 RealisticRealistic technicaltechnical optionoption
SuitableSuitable gasgas qualityquality SimpleSimple conceptconcept PartialPartial useuse ofof byby--productsproducts
…… but but economicallyeconomically unfavourableunfavourable duedue toto
DownscalingDownscaling LowLow energyenergy efficiencyefficiency ShortShort durationduration forfor depreciationdepreciation (duration of unit exploitation ~ 10-12 years)
ConclusionConclusion klei/schm freiberg\vortrag 10-05-07.ppt 17 / 19 ImprovementImprovement ofof energyenergy integrationintegration (residual(residual gas,gas, heatheat exchangeexchange optimisation)optimisation)
InnovativeInnovative modularmodular processes:processes: micro-channelmicro-channel technologiestechnologies CompactGTLCompactGTL TotalTotal // VelocysVelocys
ConsideringConsidering otherother Gas-to-LiquidsGas-to-Liquids optionsoptions MethanolMethanol MTO,MTO, DMEDME ??
PerspectivesPerspectives klei/schm freiberg\vortrag 10-05-07.ppt 18 / 19 ThankThank youyou forfor youryour attention!attention!
GAZ DE FRANCE GAZ DE FRANCE R&D Division Produktion Exploration Deutschland 361, avenue du Président Wilson – B.P. 33 GmbH 93211 Saint-Denis La Plaine cedex Waldstrasse 39 FRANCE 49808 Lingen GERMANY
[email protected] [email protected] [email protected] [email protected]
klei/schm freiberg\vortrag 10-05-07.ppt 19 / 19