| 发明名称 |
PULSED NEUTRON WELL LOGGING APPARATUS HAVING FOR DETERMING BACKGROUND RADIATION |
| 摘要 |
Three gates provide means for eliminating the radiation background count in pulsed neutron well logging. Circuitry provides the determination of the extrapolated counting rate at time zero.
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| 申请公布号 |
US3706884(A) |
申请公布日期 |
1972.12.19 |
| 申请号 |
USD3706884 |
申请日期 |
1967.06.30 |
| 申请人 |
DRESSER IND. INC. |
发明人 |
ARTHUR H. YOUMANS |
| 分类号 |
G01V5/10;(IPC1-7):G01V5/00 |
主分类号 |
G01V5/10 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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