Drilling Fluids Manual(ARAMCO钻井液手册).pdf

panyDrillingFluidsManualDrillingFluidClassifications.......................................................................1-1PneumaticFluids............................................................................................................1-1Oil-BasedFluids............................................................................................................1-2Water-BasedFluids........................................................................................................1-3Non-InhibitiveFluids...............................................................................................1-3InhibitiveFluids.......................................................................................................1-3PolymerFluids.........................................................................................................1-3MajorFunctions.............................................................................................................1-4ControlSubsurfacePressure....................................................................................1-4TransportCuttings...................................................................................................1-5SupportandStabilizeWellbore...............................................................................1-5MinorFunctions.............................................................................................................1-6SupportWeightofTubulars.....................................................................................1-6CoolandLubricatetheBitandDrillString.............................................................1-6TransmitHydraulicHorsepowertoBit....................................................................1-6ProvideMediumforWirelineLogging...................................................................1-7AssistintheGatheringofSubsurfaceGeologicalDataandFormationEvaluation..............................................................