Invention Grant
- Patent Title: Natural gamma ray logging with borehole effect compensation
- Patent Title (中): 自然伽马射线测井与井眼效应补偿
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Application No.: US270937Application Date: 1981-06-05
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Publication No.: US4439676APublication Date: 1984-03-27
- Inventor: Harry D. Smith, Jr. , Dan M. Arnold
- Applicant: Harry D. Smith, Jr. , Dan M. Arnold
- Applicant Address: NY White Plains
- Assignee: Texaco Inc.
- Current Assignee: Texaco Inc.
- Current Assignee Address: NY White Plains
- Main IPC: G01V5/06
- IPC: G01V5/06 ; G01V5/00
Abstract:
A natural gamma ray logging system utilizes gamma ray spectroscopy to measure thorium, uranium and potassium content of earth formations adjacent a well borehole. An additional measurement is also taken from which compensation for borehole effects on the measurements of interest is achieved.
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