US3149669A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Secondary oil recovery process
Assignee: Jersey Production Research Co
•
Filing: 1958-12-01
•
Granted: 1964-09-22
•
Expires: 1978-12-01
Abstract
No abstract record available.
Inventors
- 👤 Jr George G Binder
- 👤 Charles D Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:29
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/58; Y; Y10; Y10S; Y10S507/00; Y10S507/935; Y10S507/936; Y10S507/937
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
A PROCESS FOR DISPLACING OIL FROM A SUBTERRANEAN OIL RESERVOIR WHICH COMPRISES INJECTING AN EMULSION OF WATERIN-OIL WITHIN THE RESERVOIR THROUGH AN INPUT WELL IN A QUANTITY SUFFICIENT TO DISPLACE OIL FROM AT LEAST A PORTION OF THE RESERVOIR AND RECOVERING DISPLACED OIL FORM AN OUPUT WELL SPACED FROM THE INPUT WELL.
Claim 2
Dependent Claim
52 words
A PROCESS FOR DISPLACING OIL FROM A SUBTERRANEAN OIL RESERVOIR WHICH COMPRISES INJECTING AN EMULSION OF WATERIN-OIL WITHIN THE RESERVOIR THROUGH AN INPUT WELL IN A QUANTITY SUFFICIENT TO DISPLACE OIL FROM AT LEAST A PORTION OF THE RESERVOIR AND RECOVERING DISPLACED OIL FORM AN OUPUT WELL SPACED FROM THE INPUT WELL.
References Cited (Backward Citations)
US2356205A
Cited
US2596137A
Cited
US2689009A
Cited
US2731414A
Cited
US2800962A
Cited
US2927637A
Cited
US2920041A
Cited
US2988142A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |