US2845125A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control of oil well production
Assignee: SOGC Inc
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Filing: 1955-11-02
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Granted: 1958-07-29
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Expires: 1975-11-02
Abstract
No abstract record available.
Inventors
- 👤 Paul W Truman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:07
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/12; E21B43/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
AN APPARATUS FOR CONTROLLING OIL PRODUCTION FROM A PLURALITY OF OIL WELLS WHICH COMPRISES CONDUIT MEANS CONNECTED TO RECEIVE THE OIL OUTPUT OF EACH OF SAID WELLS, TIMER MEANS FOR CONTROLLING OIL FLOW FROM SAID WELL TO SAID CONDUIT MEANS WHEREBY OIL FLOW IS SHCEDULED FROM DIFFERENT WELLS IN A SEQUENCE OF AT LEAST TWO SUCCESSIVE OPERATING PERIODS, MEANS FOR ADJUSTING OIL FLOW AT A PREDETERMINED RATE FROM EACH OF SAID WELLS EXCEPT THE WELLS SCHEDULED TO FLOW IN THE LAST PERIOD OF THE SEQUENCE, COUNTING MEANS CONNECTED TO SAID CONDUIT MEANS FOR COUNTING THE OIL FLOW THERETHOUGH, AND MEANS OPERATIVELY RESPONSIVE TO SAID COUNTING MEANS CONNECTED TO TERMINATE OIL FLOW TO SAID CONDUIT MEANS FROM THE WELLS SCHEDULED TO FLOW IN THE LAST OPERATING PERIOD OF THE SEQUENCE AT A PREDETERMINED TOTAL OIL FLOW THROUGH SAID CONDUIT MEANS DURING SAID SEQUENCE.
Claim 2
Independent Claim
142 words
AN APPARATUS FOR CONTROLLING OIL PRODUCTION FROM A PLURALITY OF OIL WELLS WHICH COMPRISES CONDUIT MEANS CONNECTED TO RECEIVE THE OIL OUTPUT OF EACH OF SAID WELLS, TIMER MEANS FOR CONTROLLING OIL FLOW FROM SAID WELL TO SAID CONDUIT MEANS WHEREBY OIL FLOW IS SHCEDULED FROM DIFFERENT WELLS IN A SEQUENCE OF AT LEAST TWO SUCCESSIVE OPERATING PERIODS, MEANS FOR ADJUSTING OIL FLOW AT A PREDETERMINED RATE FROM EACH OF SAID WELLS EXCEPT THE WELLS SCHEDULED TO FLOW IN THE LAST PERIOD OF THE SEQUENCE, COUNTING MEANS CONNECTED TO SAID CONDUIT MEANS FOR COUNTING THE OIL FLOW THERETHOUGH, AND MEANS OPERATIVELY RESPONSIVE TO SAID COUNTING MEANS CONNECTED TO TERMINATE OIL FLOW TO SAID CONDUIT MEANS FROM THE WELLS SCHEDULED TO FLOW IN THE LAST OPERATING PERIOD OF THE SEQUENCE AT A PREDETERMINED TOTAL OIL FLOW THROUGH SAID CONDUIT MEANS DURING SAID SEQUENCE.
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) | 1961-07-28 | 1962-01-27 | 1962-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-28 | 1966-01-27 | 1966-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-28 | 1970-01-27 | 1970-07-29 | $7700.00 | Window Closed / Lapsed |