US3100524A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recovery of oil from partially depleted reservoirs
Assignee: Jersey Production Research Co
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Filing: 1959-09-09
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Granted: 1963-08-13
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Expires: 1979-09-09
Abstract
No abstract record available.
Inventors
- 👤 Donald M Beeson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:15
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/58; C09K8/584
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
A PROCESS FOR RECOVERING CRUDE OIL FROM A WATERWET OIL-BEARING RESERVOIR PENETRATED BY AN INJECTION WELL AND A PRODUCTION WELL WHICH COMPRISES: (A) ESTABLISHING A BANK OF AQUEOUS SOLUTION IN SAID RESERVOIR ABOUT SAID INJECTION WELL, SAID AQUEOUS SOLUTION CONTAINING A SURFACE ACTIVE AGENT WHICH WILL READILY BE ABSORBED ON SUBSURFACES STRATA IN SAID RESERVOIR AND WILL TRANSFORM SAID RESERVOIR FROM A WATER-WET TO AN OIL-WET STATE; (B) DISPLACING SAID BANK OF AQUEOUS SOLUTION CONTAINING SAID SURFACE ACTIVE AGENT FROM ABOUT SAID INJECTION WELL BY INTRODUCING A BANK OF LOW MOLECULAR WEIGHT LIQUEFIED, NORMALLY GASEOUS HYDROCARBONS INTO SAID RESERVOIR THROUGH SAID INJECTION WELL; (C) DISPLACING SAID BANK OF LIQUEFIED HYDROCARBONS FROM ABOUT SAID INJECTION WELL BY INTORDUCING A NONCONDENSING GAS INTO SAID RESERVOIR THROUGH SAID INJECTION WELL; AND (D) RECOVERING CRUDE OIL DISPLACED BY SAID AQUEOUS SOLUTION AND SAID LIQUEFIED HYDROCARBONS FROM SAID RESERVOIR THROUGH SAID PRODUCTION WELL.
Claim 2
Dependent Claim
148 words
A PROCESS FOR RECOVERING CRUDE OIL FROM A WATERWET OIL-BEARING RESERVOIR PENETRATED BY AN INJECTION WELL AND A PRODUCTION WELL WHICH COMPRISES: (A) ESTABLISHING A BANK OF AQUEOUS SOLUTION IN SAID RESERVOIR ABOUT SAID INJECTION WELL, SAID AQUEOUS SOLUTION CONTAINING A SURFACE ACTIVE AGENT WHICH WILL READILY BE ABSORBED ON SUBSURFACES STRATA IN SAID RESERVOIR AND WILL TRANSFORM SAID RESERVOIR FROM A WATER-WET TO AN OIL-WET STATE; (B) DISPLACING SAID BANK OF AQUEOUS SOLUTION CONTAINING SAID SURFACE ACTIVE AGENT FROM ABOUT SAID INJECTION WELL BY INTRODUCING A BANK OF LOW MOLECULAR WEIGHT LIQUEFIED, NORMALLY GASEOUS HYDROCARBONS INTO SAID RESERVOIR THROUGH SAID INJECTION WELL; (C) DISPLACING SAID BANK OF LIQUEFIED HYDROCARBONS FROM ABOUT SAID INJECTION WELL BY INTORDUCING A NONCONDENSING GAS INTO SAID RESERVOIR THROUGH SAID INJECTION WELL; AND (D) RECOVERING CRUDE OIL DISPLACED BY SAID AQUEOUS SOLUTION AND SAID LIQUEFIED HYDROCARBONS FROM SAID RESERVOIR THROUGH 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) | 1966-08-12 | 1967-02-11 | 1967-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-12 | 1971-02-11 | 1971-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-12 | 1975-02-11 | 1975-08-13 | $7700.00 | Window Closed / Lapsed |