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Patent US3580336A successfully refreshed from Google Patents.
US3580336A
Expired / Lapsed
US
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Production of oil from a pumping well and a flowing well
Assignee: Phillips Petroleum Co
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Filing: 1969-01-06
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Granted: 1971-05-25
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Expires: 1989-01-06
Abstract
Abstract Production of oil from a pumping well and a flowing well wherein gas which is produced in the pumping well is conveyed to and utilized to facilitate production of oil from the flowing well. Flow from the flowing well may be initiated by pumping a light oil into the annulus. The method may be utilized with wells produced by fire flooding.
Inventors
- 👤 Robert F Meldau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:13
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/34; E21B43/16; E21B43/24; E21B43/243
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2461512A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-05-24 | 1974-11-23 | 1975-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-24 | 1978-11-23 | 1979-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-24 | 1982-11-23 | 1983-05-25 | $7700.00 | Window Closed / Lapsed |