US2937140A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of petroleum well effluents
Assignee: Phillips Petroleum Co
•
Filing: 1956-07-19
•
Granted: 1960-05-17
•
Expires: 1976-07-19
Abstract
No abstract record available.
Inventors
- 👤 Donald L Stinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:02
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A PROCESS FOR RECOVERING HYDROCARBON VAPORS FROM AN OIL WELL EFFLUENT COMPRISING PASSING A SUPERATMOSPHERIC PRESSURE OIL WELL PRODUCTION EFFLUENT INTO A PHASE SEPARATION ZONE AND THEREIN SEPARATING A VAPOR PHASE FROM A LIQUID PHASE, WITHDRAING SAID LIQUID PHAS AND REDUCING ITS PRESSURE AND PASSING THE MATERIAL OF REDUCED PRESSURE INTO A STORAGE ZONE, WITHDRAWING VAPORS FROM SAID STORAGE ZONE, PASSING THE WITHDRAWN VAPORS INTO A COMPRESSION ZONE, WITHDRAWING VAPOR PHASE AT SAID SUPERATMOSPHERIC PRESSURE FROM SAID SEPARATION ZONE, POWERING THE COMPRESSION OPERATION IN SAID COMPRESSION ZONE BY PASSING THE WITHDRAWN SUPERATMOSPHERIC VAPOR PHASE THROUGH A POWER PRODUCING ZONE, SAID POWER PRODUCING ZONE POW-
Claim 2
Dependent Claim
104 words
A PROCESS FOR RECOVERING HYDROCARBON VAPORS FROM AN OIL WELL EFFLUENT COMPRISING PASSING A SUPERATMOSPHERIC PRESSURE OIL WELL PRODUCTION EFFLUENT INTO A PHASE SEPARATION ZONE AND THEREIN SEPARATING A VAPOR PHASE FROM A LIQUID PHASE, WITHDRAING SAID LIQUID PHAS AND REDUCING ITS PRESSURE AND PASSING THE MATERIAL OF REDUCED PRESSURE INTO A STORAGE ZONE, WITHDRAWING VAPORS FROM SAID STORAGE ZONE, PASSING THE WITHDRAWN VAPORS INTO A COMPRESSION ZONE, WITHDRAWING VAPOR PHASE AT SAID SUPERATMOSPHERIC PRESSURE FROM SAID SEPARATION ZONE, POWERING THE COMPRESSION OPERATION IN SAID COMPRESSION ZONE BY PASSING THE WITHDRAWN SUPERATMOSPHERIC VAPOR PHASE THROUGH A POWER PRODUCING ZONE, SAID POWER PRODUCING ZONE POW-
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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) | 1963-05-17 | 1963-11-16 | 1964-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-17 | 1967-11-16 | 1968-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-17 | 1971-11-16 | 1972-05-17 | $7700.00 | Window Closed / Lapsed |