US3138202A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermal oil recovery process
Assignee: Jersey Production Research Co
•
Filing: 1960-11-17
•
Granted: 1964-06-23
•
Expires: 1980-11-17
Abstract
No abstract record available.
Inventors
- 👤 Scott P Ewing
- 👤 Bertram T Williman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:43
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/16; E21B43/24; E21B43/243
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A PROCESS FOR THE RECOVERY OF OIL FROM A SUBTERRANEAN OIL-BEARING RESERVOIR WHICH COMPRISES: (A) ESTABLISHING A COMBUSTION FRONT WITHIN SAID RESERVOIR IN THE VICINITY OF AT LEAST ONE INJECTION WELL PENETRATING SAID RESERVOIR; (B) INTRODUCING AN OXYGEN-CONTAINING AS INTO SAID RESERVOIR THROUGH SAID INJECTION WELL TO ADVANCE SAID COMBUSTION FRONT IN A SUBSTANTIALLY HORIZONTTAL DIRECTION TOWARD AT LEAST ONE PRODUCTION WELL PENETRATING SAID RESERVOIR AT A DISTANCE FROM SAID PRODUCTION WELL;
Claim 2
Dependent Claim
72 words
A PROCESS FOR THE RECOVERY OF OIL FROM A SUBTERRANEAN OIL-BEARING RESERVOIR WHICH COMPRISES: (A) ESTABLISHING A COMBUSTION FRONT WITHIN SAID RESERVOIR IN THE VICINITY OF AT LEAST ONE INJECTION WELL PENETRATING SAID RESERVOIR; (B) INTRODUCING AN OXYGEN-CONTAINING AS INTO SAID RESERVOIR THROUGH SAID INJECTION WELL TO ADVANCE SAID COMBUSTION FRONT IN A SUBSTANTIALLY HORIZONTTAL DIRECTION TOWARD AT LEAST ONE PRODUCTION WELL PENETRATING SAID RESERVOIR AT A DISTANCE FROM SAID PRODUCTION WELL;
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) | 1967-06-23 | 1967-12-23 | 1968-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-23 | 1971-12-23 | 1972-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-23 | 1975-12-23 | 1976-06-23 | $7700.00 | Window Closed / Lapsed |