US3244880A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Neutron and gamma ray well logging for chlorine content
Assignee: Phillips Petroleum Co
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Filing: 1960-12-27
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Granted: 1966-04-05
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Expires: 1980-12-27
Abstract
No abstract record available.
Inventors
- 👤 Joe D Owen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:42
CPC Classifications
G; G01; G01V; G01V5/00; G01V5/04; G01V5/08; G01V5/10; G01V5/104
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
176 words
AN APPARATUS FOR PRODUCING A CHLORINE LOG OF AN OPENING IN THE EARTH COMPRISING, IN COMBINATION, A TUBULAR MEMBER HAVING ITS ENDS CLOSED, SAID MEMBER BEING ADAPTED TO BE LOWER INTO AN OPENING IN THE EARTH, A SOURCE OF NEUTRONS IN SAID MEMBER, A BARONTRIFLUORIDE THERMAL NEUTRON DETECTOR AND A SCINTILLATION GAMMA RAY DETECTOR SUITABLE FOR DETECTING GAMMA RAYS OF ABOUT 6.2 TO 7.7 MEV. ONLY IN SAID MEMBER, SAID DETECTORS BEING POSITIONED NEAR EACH OTHER, A SHIELD BETWEEN SAID SOURCE OF NEUTRONS AND SAID DETECTORS TO ELIMINATE DIRECT PASSAGE OF RADIATION TO SAID DETECTORS TO ELIMINATE DIRECT PASSAGE OF RADIATION TO SAID DETECTORS, SAID THERMAL NEUTRON DETECTOR BEING ADAPTED TO EMIT A FIRST SIGNAL INDICATIVE OF THE NEUTRON FLUX DETECTED, SAID GAMMA RAY DETECTOR BEING ADAPTED TO EMIT A SECOND SIGNAL RELATED TO GAMMA RAYS OF 6.2 TO 7.7 MEV. DECTED AND CONTAINING A THERMAL NEUTRON FACTOR, MEANS COMMUNICATING WITH SAID DETECTORS FOR DIVIDING SAID SECOND SIGNAL BY THE FIRST SIGNAL AND BEING ADAPTED TO EMIT A THIRD SIGNAL PROPORTIONAL TO THE QUOTIENT OF SAID
Claim 2
Independent Claim
176 words
AN APPARATUS FOR PRODUCING A CHLORINE LOG OF AN OPENING IN THE EARTH COMPRISING, IN COMBINATION, A TUBULAR MEMBER HAVING ITS ENDS CLOSED, SAID MEMBER BEING ADAPTED TO BE LOWER INTO AN OPENING IN THE EARTH, A SOURCE OF NEUTRONS IN SAID MEMBER, A BARONTRIFLUORIDE THERMAL NEUTRON DETECTOR AND A SCINTILLATION GAMMA RAY DETECTOR SUITABLE FOR DETECTING GAMMA RAYS OF ABOUT 6.2 TO 7.7 MEV. ONLY IN SAID MEMBER, SAID DETECTORS BEING POSITIONED NEAR EACH OTHER, A SHIELD BETWEEN SAID SOURCE OF NEUTRONS AND SAID DETECTORS TO ELIMINATE DIRECT PASSAGE OF RADIATION TO SAID DETECTORS TO ELIMINATE DIRECT PASSAGE OF RADIATION TO SAID DETECTORS, SAID THERMAL NEUTRON DETECTOR BEING ADAPTED TO EMIT A FIRST SIGNAL INDICATIVE OF THE NEUTRON FLUX DETECTED, SAID GAMMA RAY DETECTOR BEING ADAPTED TO EMIT A SECOND SIGNAL RELATED TO GAMMA RAYS OF 6.2 TO 7.7 MEV. DECTED AND CONTAINING A THERMAL NEUTRON FACTOR, MEANS COMMUNICATING WITH SAID DETECTORS FOR DIVIDING SAID SECOND SIGNAL BY THE FIRST SIGNAL AND BEING ADAPTED TO EMIT A THIRD SIGNAL PROPORTIONAL TO THE QUOTIENT OF SAID
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |