01 logging basic introduction

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1、BASICINTRODUCTIONOFWIRELINELOGGINGWIRELINE,CNLCMAINTOPICTheBasicConceptofWirelineLoggingLoggingTechniquesandMeasurementsStandardOperatingProceduresWIRELINELOGGINGDEFINITIONRecordofpropertiesofRockandothersubsurfacemeasurements(Resistivity,Density,Dipping,Pr

2、essure,Porosity,Imaging,…etc)againstdepth.TheBasicConceptofWirelineLoggingANOTHERDEFINITIONWellloggingistheprocessofrecordingvariousphysical,chemical,electrical,orotherpropertiesoftherock/fluidmixturespenetratedbydrillingawellintotheearth’smantle.-Crain’sPe

3、trophysicalHandbookTheBasicConceptofWirelineLoggingTheBasicConceptofWirelineLoggingTHEFIRSTLOG-PECHELBRONFRANCE1927TheBasicConceptofWirelineLoggingLoggingUnitTheBasicConceptofWirelineLoggingLoggingSkitUnitTheBasicConceptofWirelineLoggingTheWellLoggingOperat

4、ionTheBasicConceptofWirelineLoggingWhyAreWeLoggingWells?•Geophysicslooktologsfor:Wherearemyformationtops(aspredicted?)Doesseismicinterpretationagreewithlogdata?Howismysyntheticdoingwiththisnewinformation?TheBasicConceptofWirelineLoggingGeologistslooktologsf

5、or:Wherearemyformationtops?DoIhaveanyreservoir?IsthereanyHydrocarboninthewell?WhattypeofHydrocarbonsisthere?Howgoodismyreservoir?WhatkindofreservesdoIhave?Howdoesthistieintomyoffsets?TheBasicConceptofWirelineLoggingWhyAreWeLoggingWells?Whatismyholevolume(ce

6、ment)?Whatismydoglegseverity?WherecanIgetagoodpackerseatfortesting?WherecanIsetupmywhipstock?•DrillingEngineersarelookingfor:WhyAreWeLoggingWells?TheBasicConceptofWirelineLoggingProductionEngineersarelookingfor:Whereshouldcompletethiswell?Whatwillbemyexpect

7、edproductionrates?WillIhavetodealwithwater?HowshouldIcompletethiswell?DoIneedtostimulatethiswell?HowshouldIstimulateit?TheBasicConceptofWirelineLoggingWellDrillingOverviewTheBasicConceptofWirelineLoggingThestructureofapetroleum-bearingreservoirTheBasicConce

8、ptofWirelineLoggingBasicRockPropertiesTherearefourfundamentalpropertiesusedinthedescriptionandanalysisofhydrocarbonbearingrocks.–Resistivity–Porosity–Permeability–SaturationTheBasicConceptofWirelineLog