煤层气增产技术

:2005-03-15:(1982-),,,:1006-6535(2006)01-0095-04,,(,065007):,,;,3::;;;:TE13212:A,,,[1],10%,,,,,:,,;;;;11.1[2]2060,,,(GRI)ICF,,,,,6,11121012211191012m3,450108m32090,;1991,2112[3],2000m311012m3,,10%,3,2090,,70,7000m3,6108m3,2,,13120062SpecialOilandGasReservoirsVol113No11Feb12006,[3]:(1)(018)(70%)0100110-301110-3m2,015410-331810-3m2,23(2),,(3),2716%,,,,,,,,,,,,3[3]:3.131111:,,,,,,,,;,,,,14000,90%,,,,,,520,1000m3/d31112,,:,,,,,,,,;,,,,,,,,,,,,3.2,,Amoco,N2CO2:,,HallFEGreavesHarpalaniArriLE6913YeeD,CH4-N2CH4-CO2[4,5]:,,,N2CO2,,,[6,7]:N2CO2,,,,,2:2,,,,,,;,,,;,,,,,,,,,,,1996,1CO2-ECBM,BPAmocoSanJuanCO2-ECBM,,,CO2,N2N2N2CO23.3,,34,22CDX[8]:,,,,310,,,,1999CDX,4km2,218104m3,31451045170104m3,5a,85%,CDX,,1CDX,200444,1200m,,1518km2,3a70%,,,,,,,,791:4(1),(2),,(3),,,;,;,,:[1],1[J]1,1994,15(1)1[2]1[J]1,1994,14(1)1[3],1[J]1,2002,21(6)1[4]HallFE,ZhouChunhe1Adsorptionofpuremethane,nitrogen,nitrogen,andcarbondioxideandtheirbinarymixturesonwetFruitlandcoal[A]1The1994EasternRegionalconferencesandexhibitionheldinchinaieston[C]1WVUSA,19941[5]GreavesKH,OwenLB,McLenmanJD,etal1Muli-com2poentgasadsorption-desorptionbehaviorofcoal[A]1Proceedingsofthe1993InternationalCoalbedMethaneSym2posium[C]119931[6],,,1[J]1,2001,32(4)1[7],1[J]1,2002,30(1)1[8],,,1[J]1,2004,27(2)1(91),[6],,,4(1)AS,,(2)AS,,(3),,:[1],1[J]1,2002,19(3):2532561[2],1[J]1,2004,23(2):59601[3],1[J]1,2002,9(1):45491[4],1[J]1,2002,23(6):37401[5],1[J]1,2001,20(2):33351[6],,1[J]1,2000,19(3):272918913afterpolymerdrive.Thesurfactantisoptimizedthroughinterfacialtensiontest.Themechanismofoildisplacementisdemon2stratedcombiningwithfoamfeatures.Keywords:ASsystem;foam;alternatinginjection;sweptvolume;displacementefficiency;EORExperimentalresearchonacidificationtechnologiesinMaliuchangT1j23reservoirZHANGying1,Yan-Qibin1,Zhou-Anfu2(1.SouthwestPetroleumInstitute,Chengdu,Sichuan610500;2.ShunanGasField,PetroChinaSouthwestOilandGasFieldCompany,Luzhou,Sichuan646001)Abstract:Reservoiracidificationreconstructionisoneofmainmeasuresforlowpermeabilitycarbonateoil-gasreservoirin2creasingproduction.Owingtodifferentreservoirnature,theresultofreconstructionisgreatlydifferent,soitisveryimportanttostudytheapplicabilityofacidificationtechnology.ThroughexperimentalresearchandfieldpracticeinMaliuchangT1j23reservoir,itisdeemedthatitisveryeffectivetoinjectalternatelygellingacidbymulti-stagecombinedroutineclosedacidfracturingforMaliuchangT1j23reservoirreconstruction.Theexperimentalresearchdeepenstherecognitionofacidificationtechnologyinthisblock,andisinstructivetonextperformance.Keywords:Lowpermeabilityreservoir;Reconstruction;Conductivity;ExperimentalresearchCoal-bedgasstimulationtechnologyZHANGYa-pu,YANGZheng-ming,XIANBao-an(HydromechanicsResearchInstituteofChineseAcademyofSciences,Langfang,Hebei065007,China)Abstract:Thispaperintroducesthedevelopmentstatusofcoal-bedgas,stimulationmeasuresandthecharacteristicofcoalseamsinChina,andpointsoutthattheresourceofcoal-bedgasisveryrichinChina,butthelevelofexplorationanddevel2opmentisnothighenough.ItisdeterminedbythecharacteristicsofChinesecoalseamsthattheyaredifficulttoexploit;thispaperanalyzesthreemainstimulationtechnologies:hydraulicfracturing,displacementofmulti-gasandorientedpinnatehor2izontalwell-drilling,whichcanprovidetechnicalguidancefordevelopingcoal-bedgasmoreefficientlyandreasonably.Keywords:coal-bedgas;developmenttrend;stimulationmeasure;studyOilwellmonitoringsystembasedonSMSmessagealarmDAIYu-dong(LiaoningElectromechanicTechnicalSchool,Dandong,Liaoning118002,China)Abstract:Wellsarescatteredinoilfields,whichmakesgreatdifficultyofcentralizedmanagement.Wirednetworkishighcostanddifficulttomaintain.TheseproblemsaresolvedbySMS.ThispaperstudiesthemonitoringsystembasedonSMSmessagealarmandcomposedofTC35MODEMandchipmicroprocessor,thusrealizingwirelessmonitoringinoilfield.Thisisofhigheconomicandapplicablevalue.Keywords:TC35MODEM;dataacquisitionsystem;chipmicroprocessor;SMS;applicablevalue