US3270809A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Miscible displacement procedure using a water bank
Assignee: Mobil Oil AS
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Filing: 1963-09-11
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Granted: 1966-09-06
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Expires: 1983-09-11
Abstract
No abstract record available.
Inventors
- 👤 Jr Carl Connally
- 👤 Frank R Scauzillo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:39
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/16; E21B43/20; E21B43/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A METHOD FOR RECOVERING OIL FROM A SUBTERRANEAN RESERVOIR PENETRATED BY A PLURALITY OF WELLS COMPRISING THE STEPS OF: (A) FORMING IN THE RESERVOIR A CONTINUOUS BANK OF WATER IN SPACED RELATIONSHIP ABOUT A CENTRAL WELL BY INJECTING WATER INTO THE RESERVOIR THROUGH A PLURALITY OF SURROUNDING WELLS, AND (B) PRODUCING OIL FROM THE RESERVOIR THROUGH WELLS OTHER THAN THE WELLS BEING USED FOR INJECTING THE BANK OF WATER; (C) INJECTING A MISCIBLE DISPLACEMENT FLUID THROUGH THE CENTRAL WELL INTO THE RESERVOIR BEHIND THE BANK OF WATER, AND (D) DRIVING THE MISCIBLE DISPLACEMENT FLUID RADIALLY OUTWARDLY THROUGH THE RESERVOIR FROM THE CENTRAL WELL AND PRODUCING OIL FROM THE WELLS IN THE RESERVOIR SURROUNDING THE BANK OF WATER.
Claim 2
Independent Claim
117 words
A METHOD FOR RECOVERING OIL FROM A SUBTERRANEAN RESERVOIR PENETRATED BY A PLURALITY OF WELLS COMPRISING THE STEPS OF: (A) FORMING IN THE RESERVOIR A CONTINUOUS BANK OF WATER IN SPACED RELATIONSHIP ABOUT A CENTRAL WELL BY INJECTING WATER INTO THE RESERVOIR THROUGH A PLURALITY OF SURROUNDING WELLS, AND (B) PRODUCING OIL FROM THE RESERVOIR THROUGH WELLS OTHER THAN THE WELLS BEING USED FOR INJECTING THE BANK OF WATER; (C) INJECTING A MISCIBLE DISPLACEMENT FLUID THROUGH THE CENTRAL WELL INTO THE RESERVOIR BEHIND THE BANK OF WATER, AND (D) DRIVING THE MISCIBLE DISPLACEMENT FLUID RADIALLY OUTWARDLY THROUGH THE RESERVOIR FROM THE CENTRAL WELL AND PRODUCING OIL FROM THE WELLS IN THE RESERVOIR SURROUNDING THE BANK OF WATER.
References Cited (Backward Citations)
US2885002A
Cited
US3113616A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |