连续油管喷砂射孔环空分层压裂技术在大牛地气田的应用(2)

层位太1太2盒1盒3

加砂量入地液量液氮量压裂时间返排时间(m3)24.24.24.30.(m3)147.3149.6145.6187.5

(m3)10.610.610.518.5

4

9

15000

(d)

(d)

(mg/L)

平、蒋阗,等译.油藏增产措施(第三版)[M].北京:石油工业出版社,2002。

[3]李宗田,等.连续油管技术手册[M].北京:石油工业

出版社,2003.9

[4]NewmanK..连续油管和卡点计算[J].SPE54458,

SPE/ICOTA北美连续油管非正式会议,1999,5,25-26[5]侯洪涛,邹群,等.先进的多层压裂技术[J].SPE95778,

2006.12.

[6]贺会群.连续油管技术与装备发展综述石油机械[J].

2006,1,1-6.

[7]McdanielBW,WillettR,EastL.Coiled-tubingDeploy2

mentofHydrajet-FracturingTechniqueEnhancesSafetyandFlexibility,ReducesJobTime[J].SPE90543.[8]SurjaatmadjaJB,EastLE,LunaJB,andHernandezJ

OE,AnEffectiveHydrajet-FracturingImplementationUsingCoiledTubingandAnnularStimulationFuildDeliv2ery[J].SPE94098.

(编辑:黄晓川)

(2)连续油管压裂、试气工序简单,D12-10井

比逐层上返缩短5d,D66-4井施工周期22d左

右,缩短13d,由此可见,连续油管喷砂射孔环空分层压裂工艺技术较逐层上返分层压裂明显缩短工效。

参考文献

[1]万仁溥.现代完井工程[M].北京:石油工业出版社,

4

　　DRILLING&PRODUCTIONTECHNOLOGY　　　　　　Vol.32No.4July2009

leumVocationalInstitute),DPT32(4),2009:46-48

Abstract:Gasfieldneedsgasasexperimentalfluidtomeasurethespeedsensitivityofreservoir.Ifusingthestepsandcalculatingmethodoftheliquidspeedsensitivityexperiment,theindexofgasspeedsensitivityandcriticalvelocityisnotaccuratebecauseoftheinfluenceofthegasslippageeffect.Gasslippageeffectcanbecor2rectedeffectively,andtheindexofgasspeedsensitivityandcriticalvelocitycanbecalculatedaccuratelybymeansoftwiceexperimentstepsofgasspeedsensitivityandnewcalculatingmethod.ByusingthismethodinthespeedsensitivityexperimentofNeopaleozoictightsandstoneinChangqinggasfield,theresultsshowthattheindexofgasspeedsensitivityissmallerandcriticalvelocityisbiggerthanthatofnormalexperimentalmethod.Thedegreeofspeedsensitivitydam2ageinthereservoirbecomesweaklevelcomparedwithmiddlelevelasrecognizedbefore.Thisresultcorrespondswiththegeologicalfea2turesofthetightsandstonereservoir.

Keywords:gasreservoir,speedsensitivity,slippageeffect,correction,twicespeedsensitivityexperiment

ZENGWei,bornin1963,isanassociateprofessoranddoctor,isengagedintheresearchonsedimentologyandreservoirgeology.

Add:ResourcesandEnvironmentInstitute,SouthwestumUniversity,XinduDistrict610500,P.China

Mobile:+86-13194973618E-mail:zengAPPLICATIONOFIINGJETPERFORA2TIONSEPARATEDINGTECHNIQUEINANNU2LUSINDANIUDIGASFIELD

QINYuying(ExplorationandDevelopmentInstitute,SINOPECHuabeiBranch),DPT32(4),2009:49-50,57

Abstract:Daniudigasfieldhassomefeatures,suchaslowpressure,lowporosity,tight,andlowproductivityperzoneandgapdistancevariesbetweenzones,socoiledtubingseparatedfracturingtechniquewasstudiedtoreachbalancedstimulationformulti-zonesuperimposedhorizon.Throughtheresearchofcoiledtubingsepara2tedfracturingtechniqueandfieldoperation,thestate-of-the-artofcoiledtubingseparatedfracturinghasbeenunderstood.Coiledtubingjetperforationseparatedfracturingtechniquethroughannuluswithsandingupseparatedzonehasbeenperformed,whichmeettherequirementofreservoircharacteristicsofDaniudigasfield.SixzonesoftwowellshadbeenperformedinDaniudigasfieldwithsuc2

3

cessfulrateof100%.Averagesandaddedperzoneis26.28m,and

3

maximumsandaddedforsinglezoneis31m.

Keywords:Daniudigasfield,multi-zonesuperimposedhori2zon,coiledtubing,jetperforation,fracturingthroughannulus,bal2ancestimulation

QINYuying(female,seniorengineer),graduatedfromCheng2duCollegeofGeosciences,isengagedintheresearchonoilandgasengineering.

Add:ExplorationandDevelopmentInstitute,SINOPECHuabeiBranch,No.196,FuniuRd.,ZhengzhouCity450006,HenanProv2ince,P.R.China

Tel:+86-371-68629023

E-mail:qinyuying63@FMISIGNALDE-NOISINGBASEDONWAVELETTRANSFORMANDMEDIANFILTERING

11

ZHANGXiaotao,ZHANGLiehui,FENGGuoqingandWEI2

Wei(1.StateKeyLaboratoryofOilandGasReservoirGeologyandExploitation,SouthwestPetroleumUniversity;PCSouthwestOil/GasFieldCO.),DPT32(4),2009:51-53

Abstract:Thealgorithmofwaveletdecompositionandrecon2structionwasintroduced.Basedonthedecompositionandrecon2structionofimage,theapplicationofthetraditionalmedianfilteringmethodandtwo-dimensionaldiscretewavelettransformtonoiseeliminationwasanalyzed.Acorrespondingexampleofapplicationwasgiven.Intheexample,thenewmethodwasappliedinoneFMIimagefromacavernousreservoir,andtheresultantimagewascom2paredwiththesingleusageinde-noisingimage.Theresultsshowedthattherandomnoisewaseliminatedandtheautomaticiden2tificationoffracturesandcavernswereenhancedeffectivelybypre2processingusingFMIimageswithtwo-dimensionaldiscretewavelettransformcombinedwithtraditionalmethods,andthecombinationwasmuchbetterthansingleusageofthesetwomethods.

Keywords:two-dimensionalwavelettransform,FMIwelllog,imagenoiseelimination,medianfiltering,fracture,identifica2tion

ZHANGXiaotao,bornin1982,isstudyingforhisdoctor’sde2greeinSouthwestPetroleumUniversity.

Add:StateKeyLaboratoryofOilandGasReservoirGeologyandExploitation,SouthwestPetroleumUniversity,XinduDistrict610500,ChengduCity,SichuanProvince,P.R.China

E-mail:zxt8206@EXPERIMENTALSTUDYFORFLOWRULEOFOUT2SIDECHANNELING

YANGHao,YUEXiangan,ZHAORenbaoandYANGZaopeng(EnhancedOilRecoveringResearchCenter,MOEKeyLa2boratoryofPetroleumEngineeringinChinaUniversityofPetroleum(Beijing)),DPT32(4),2009:54-57

Abstract:Forstudyonpluggingmechanismandmethodsofoutsidechanneling,theflowofoutsidechannellingwasre2searched.Theflowmodelofchannellingindifferentpressuresystemanddifferentflowestablished.Thebottompressurewassibyvariationrulesofpressureandpronofunderdifferentbottompressureandpressurewereresearched.Theresultspishigherthanbottompressure,oilifchanneling-bedpressureisfartherhigherthanpwaterproductionrateiscomparativelyhigh;bottompressureishigherthanreservoirpressure,butlowerthanwater-channelingb …… 此处隐藏：5621字，全部文档内容请下载后查看。喜欢就下载吧 ……