Patent US3357490A successfully refreshed from Google Patents.
US3357490A
Expired / Lapsed
US
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Apparatus for automatically introducing coolant into and shutting down wells
Assignee: Mobil Oil AS
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Filing: 1965-09-30
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Granted: 1967-12-12
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Expires: 1985-09-30
Abstract
No abstract record available.
Inventors
- 👤 Billy G Holmes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:08
CPC Classifications
E; E21; E21B; E21B36/00; E21B36/001; E21B43/00; E21B43/12; Y; Y10; Y10T; Y10T137/00; Y10T137/1842; Y10T137/1939; Y10T137/1963; Y10T137/1987
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
IN A WELL HAVING AN OPEN PRODUCTION INTERVAL IN A CARBONACEOUS STRATUM AND ADAPTED FOR RECOVERY FROM SAID STRATUM OF PRODUCTS OF A THERMAL RECOVERY PROCEDURE, THE SYSTEM COMPRISING: MEANS FORMING IN SAID WELL A FIRST PASSAGE HAVING AN INLET WITHIN SAID WELL FOR THE WITHDRAWAL OF SAID PRODUCTS THEREFROM, MEANS FORMING IN SAID WELL A SECOND PASSAGE FOR THE FLOW OF COOLANT WITHIN SAID WELL, TEMPERATURE SENSING MEANS IN SAID WELL IN THE VICINITY OF SAID STRATUM FOR PRODUCING A FIRST CONDITION IN RESPONSE TO SAID MEANS SENSING A SPECIFIED TEMPERATURE AND FOR PRODUCING A SECOND CONDITION IN RESPONSE TO SAID MEANS SENSING A TEMPERATURE LESS THAN SAID SPECIFIED TEMPERATURE,
Claim 2
Dependent Claim
111 words
IN A WELL HAVING AN OPEN PRODUCTION INTERVAL IN A CARBONACEOUS STRATUM AND ADAPTED FOR RECOVERY FROM SAID STRATUM OF PRODUCTS OF A THERMAL RECOVERY PROCEDURE, THE SYSTEM COMPRISING: MEANS FORMING IN SAID WELL A FIRST PASSAGE HAVING AN INLET WITHIN SAID WELL FOR THE WITHDRAWAL OF SAID PRODUCTS THEREFROM, MEANS FORMING IN SAID WELL A SECOND PASSAGE FOR THE FLOW OF COOLANT WITHIN SAID WELL, TEMPERATURE SENSING MEANS IN SAID WELL IN THE VICINITY OF SAID STRATUM FOR PRODUCING A FIRST CONDITION IN RESPONSE TO SAID MEANS SENSING A SPECIFIED TEMPERATURE AND FOR PRODUCING A SECOND CONDITION IN RESPONSE TO SAID MEANS SENSING A TEMPERATURE LESS THAN SAID SPECIFIED TEMPERATURE,
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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) | 1970-12-11 | 1971-06-12 | 1971-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-11 | 1975-06-12 | 1975-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-11 | 1979-06-12 | 1979-12-12 | $7700.00 | Window Closed / Lapsed |