US3129331A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of radiological well logging using a radioactive tracer with a carrier
Assignee: ConocoPhillips Co
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Filing: 1960-09-26
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Granted: 1964-04-14
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Expires: 1980-09-26
Abstract
No abstract record available.
Inventors
- 👤 Jr Henry A Bourne
- 👤 Earl W Sutton
- 👤 Francis R Conley
- 👤 James C Albright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 04:48
CPC Classifications
G; G21; G21H; G21H5/00; G21H5/02; G01; G01V; G01V5/00; G01V5/04; G01V5/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
A METHOD FOR LOCATING AND IDENTIFYING FLUID-PRODUCING FORMATIONS OF A SUBTERRANEAN RESERVOIR TRAVERSED BY A WELL BORE WITH A RADIOACTIVITY DETECTION MEANS WHICH COMPRISES PASSING SAID DETECTION MEANS THROUGH THE WELL BORE AND RECORDING THE MEASUREMENT OF RADIOACTIVITY OF THE NATURALLY OCCURING RADIOACTIVE MATERIAL WITHIN THE RESERVOIR, INTRODUCING A RADIOACTIVE MATERIAL INTO SAID WELL BORE, INJECTING A FLUID TO DISPLACE SAID RADIOACTIVE MATERIAL INTO THE RESERVOIR FORMATIONS, PASSING SAID DETECTION MEANS THROUGH THE WELL BORE AND RECORDING THE MEASUREMENT OF RADIOACTIVITY, RETURNING THE RESERVOIR TO NORMALL PRODUCTION, PASSING SAID DETECTION MEANS THROUGH THE WELL BORE UPON THE PRODUCTION FLUIDS BECOMING SUBSTAN-
Claim 2
Independent Claim
101 words
A METHOD FOR LOCATING AND IDENTIFYING FLUID-PRODUCING FORMATIONS OF A SUBTERRANEAN RESERVOIR TRAVERSED BY A WELL BORE WITH A RADIOACTIVITY DETECTION MEANS WHICH COMPRISES PASSING SAID DETECTION MEANS THROUGH THE WELL BORE AND RECORDING THE MEASUREMENT OF RADIOACTIVITY OF THE NATURALLY OCCURING RADIOACTIVE MATERIAL WITHIN THE RESERVOIR, INTRODUCING A RADIOACTIVE MATERIAL INTO SAID WELL BORE, INJECTING A FLUID TO DISPLACE SAID RADIOACTIVE MATERIAL INTO THE RESERVOIR FORMATIONS, PASSING SAID DETECTION MEANS THROUGH THE WELL BORE AND RECORDING THE MEASUREMENT OF RADIOACTIVITY, RETURNING THE RESERVOIR TO NORMALL PRODUCTION, PASSING SAID DETECTION MEANS THROUGH THE WELL BORE UPON THE PRODUCTION FLUIDS BECOMING SUBSTAN-
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-14 | 1967-10-14 | 1968-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-14 | 1971-10-14 | 1972-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-14 | 1975-10-14 | 1976-04-14 | $7700.00 | Window Closed / Lapsed |