US3256934A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Petroleum secondary recovery method for oil-bearing reservoirs exhibiting uniform anisotropic permeability
Assignee: ExxonMobil Oil Corp
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Filing: 1963-03-21
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Granted: 1966-06-21
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Expires: 1983-03-21
Abstract
No abstract record available.
Inventors
- 👤 George W Nabor
- 👤 Mortada Mohamed
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:12
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A SECONDARY RECOVERY METHOD OF PRODUCING PETROLEUM FROM AN OIL-BEARING RESERVOIR EXHIBITING UNIFORM ANISOTROPIC PERMEABILITY WHERE A PLURALITY OF WELLS DISPOSED IN SPACED ROWS IN A GEOMETRIC PATTERN PENETRATE SUCH RESERVOIR AND SUCH WELLS SPACED IN EACH SUCH ROW FOR THE PRODUCTION OF PETROLUEM, THE STEPS COMPRISING INJECTING A DRIVING FLUID THROUGH ONE ROW OF WELLS AND PRODUCING PETROLEUM FROM A SECOND ROW OF WELLS ADJACENT TO AND IN ALIGNMENT WITH SAID ONE ROW OF WELLS, AND ROWS OF WELLS BEING ORIENTED WITH RESPECT TO SAID RESERVOIR SO AS TO PROVIDE A MAXIMUM CONSTANT C USING THE FORMULA
Claim 2
Dependent Claim
98 words
A SECONDARY RECOVERY METHOD OF PRODUCING PETROLEUM FROM AN OIL-BEARING RESERVOIR EXHIBITING UNIFORM ANISOTROPIC PERMEABILITY WHERE A PLURALITY OF WELLS DISPOSED IN SPACED ROWS IN A GEOMETRIC PATTERN PENETRATE SUCH RESERVOIR AND SUCH WELLS SPACED IN EACH SUCH ROW FOR THE PRODUCTION OF PETROLUEM, THE STEPS COMPRISING INJECTING A DRIVING FLUID THROUGH ONE ROW OF WELLS AND PRODUCING PETROLEUM FROM A SECOND ROW OF WELLS ADJACENT TO AND IN ALIGNMENT WITH SAID ONE ROW OF WELLS, AND ROWS OF WELLS BEING ORIENTED WITH RESPECT TO SAID RESERVOIR SO AS TO PROVIDE A MAXIMUM CONSTANT C USING THE FORMULA
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-20 | 1969-12-20 | 1970-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-20 | 1973-12-20 | 1974-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-20 | 1977-12-20 | 1978-06-21 | $7700.00 | Window Closed / Lapsed |