US3292697A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stable positive nonsimple liquid for water-flooding subterranean for-mations
Assignee: Mobil Oil AS
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Filing: 1964-06-19
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Granted: 1966-12-20
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Expires: 1984-06-19
Abstract
No abstract record available.
Inventors
- 👤 Milton K Abdo
- 👤 Paul E Blatz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:55
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/58; Y; Y10; Y10S; Y10S507/00; Y10S507/935; Y10S507/936
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
47 words
A METHOD OF ALLEVIATING THE LOSS OF ACTIVITY OF A POSITIVE NONSIMPLE AQUEOUS AMMONIUM OLEATE SOLUTION WHICH COMPRISES INCORPORATING THEREIN AN AMMONIUM HALIDE IN AN AMOUNT OF AT LEAST 0.05 PERCENT BY WEIGHT AND SUFFICIENT TO PRESERVE THE ACTIVITY OF SAID POSTION NONSIMPLE AQUEOUS AMMONIUM OLEATE SOLUTION.
Claim 2
Independent Claim
47 words
A METHOD OF ALLEVIATING THE LOSS OF ACTIVITY OF A POSITIVE NONSIMPLE AQUEOUS AMMONIUM OLEATE SOLUTION WHICH COMPRISES INCORPORATING THEREIN AN AMMONIUM HALIDE IN AN AMOUNT OF AT LEAST 0.05 PERCENT BY WEIGHT AND SUFFICIENT TO PRESERVE THE ACTIVITY OF SAID POSTION NONSIMPLE AQUEOUS AMMONIUM OLEATE SOLUTION.
Claim 3
Dependent Claim
72 words
IN A METHOD FOR RECOVERY OF OIL FROM A SUBTERRANEAN FORMATION BY INJECTING A POSITIVE NONSIMPLE AQUEOUS AMMONIUM OLEATE SOLUTION THROUGH AN INJECTION WELL AND INTO SAID FORMATION, AND PRODUCING OIL FROM SAID FORMATION THROUGH A PRODUCTION WELL, THE IMPROVEMENT WHICH AMMOPRISES INCORPORATING INTO A LEAST A PORTION OF SAID AMMONIUM OLEATE SOLUTION AN AMMONIUM HALIDE IN AN AMOUNT SUFFICIENT TO PRESERVE THE ACTIVITY OF SAID POSITIVE NONSIMPLE AQUEOUS AMMONIUM OLAETE SOLUTION.
Claim 4
Dependent Claim
72 words
IN A METHOD FOR RECOVERY OF OIL FROM A SUBTERRANEAN FORMATION BY INJECTING A POSITIVE NONSIMPLE AQUEOUS AMMONIUM OLEATE SOLUTION THROUGH AN INJECTION WELL AND INTO SAID FORMATION, AND PRODUCING OIL FROM SAID FORMATION THROUGH A PRODUCTION WELL, THE IMPROVEMENT WHICH AMMOPRISES INCORPORATING INTO A LEAST A PORTION OF SAID AMMONIUM OLEATE SOLUTION AN AMMONIUM HALIDE IN AN AMOUNT SUFFICIENT TO PRESERVE THE ACTIVITY OF SAID POSITIVE NONSIMPLE AQUEOUS AMMONIUM OLAETE SOLUTION.
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) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |