Radioactive repeat logging is now the only technique which can acquire old well data from casing.
放射性重复测井是目前唯一能在套管内取得老井资料的技术。
Radiological health protection standard for using sealed radioactive sources in oil and gas-field logging.
油(气)田测井用密封型放射源放射卫生防护标准。
Radiological health protection standard for using sealed radioactive sources in oil and gas-field logging.
油(气)田测井用密封型放射源放射卫生防护标准。
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