什么是测井
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什么是测井什么是测井什么是测井Welllogging,alsoknownasboreholeloggingisthepracticeofmakingadetailedrecord(awelllog)o
什么是测井
什么是测井
什么是测井
Well logging,also known as borehole logging is the practice of making a detailed record (a well log) of the geologic formations penetrated by a borehole.The log may be based either on visual inspection of samples brought to the surface (geological logs) or on physical measurements made by instruments lowered into the hole (geophysical logs).Well logging can be done during any phase of a well's history; drilling,completing,producing and abandoning.Well logging is done in boreholes drilled for the oil and gas,groundwater,minerals,geothermal,and for environmental and geotechnical studies