陣列感應(yīng)測(cè)井的井眼校正研究.pdf

1、西安石油大學(xué)碩士學(xué)位論文陣列感應(yīng)測(cè)井的井眼校正研究姓名：唐俊申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：測(cè)試計(jì)量技術(shù)及儀器指導(dǎo)教師：仵杰20060515英文摘要Subject：AStudyonBoreholeCon‘ectionofArrayInductionLoggingSpeciall3，：Technology＆InstrumentsofTestandMeasurementName：TangJun(signature)垃辱J墮一Instructor：W

2、uJie(signature)逝。工立ABS】RACTThearrayinductionloggingisanimportantresistivitymeasurementtoolattimebeingOurcountryisstudyingakindofarrayinductionloggingtoo](MIT)InMITthefourshortsubarraysareinfluencedbyboreholeseriouslyItma

3、kesthenextsignalprocesswrongresultTherefore，boreholecorrectionisaFlimportantpartofarrayinductionloggingsignalprocessInthethesis，theboreholecorrectionmethodandtheeffectofoffsetconductiveloopontoolresponsearestudiedInthefi

4、rstpart，themathematicandphysicmodelofboreholecorrectionarebuiltatbeginningThen，theresponsesofboreholemodelinthedifferentboreholeparameter(boreholeradius，eccentricratio，mudconduetivityandformationconductivity)areanalyzedu

5、singtheeccentricgeometricfactortheoryandFEMTheresultsshowthattheerrorofeccentricgeometricfactorissmallwhenmudconductivityandformationconductivityarelessthan1S／mOthercase，theerrorwillbecomegreat，F(xiàn)EMisnecessaryFinally，base

6、donboreholecorrectiondatabase，themethodoffastcomputingtheresponseofboreholemodelisstudied，anditscomputationsoftwareisdevelopedThesecondpartshowsindetailthattheinversiontheoryoftheboreholeparameters(boreholeradius，eccentr

7、icratio，mudconductivityandformationconductivity)Intheinversion，theMarquardtmethodisused，andboreholecorrectionalgorithmisdesignedTheseveraltypicalmodeldemonstratethattheMarquardtmethodCallsolvethequestionaboutsingularityo

8、rmorbidityofiterationequation，andboreholecorrectionprogrambasedMarquardtmethodCaneffectivelyremoveboreholeinfluenceonloggingdataInthethirdpart，theinfluencecharacteristicofthearrayinductionsignalgeneratedbyaneccentriccond

9、uctiveringisstudiedItsnumericcalculationresultshavetheleadingmeaningtoinstrumenttesting，calibrationandexplanationfortheinvasioninfluencebyhighconductingmudaroundwellwhileloggingTheaboveconclusionswillprovidethetheorysupp

10、ortfortheboreholecorrectionandinstrumentcalibrationofMlTThewayalsocanbeusedtootherarrayinductionloggingt001Ke)mrords：BoreholeCorrection，ArrayInductionLogging，lm7ersion，EccentricGeometricFactorMarquardtMethodThesis：Applic