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US3330360A
Expired / Lapsed
US
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Multiple zone producing apparatus
Assignee: Otis Engineering Corp
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Filing: 1964-08-10
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Granted: 1967-07-11
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Expires: 1984-08-10
Abstract
No abstract record available.
Inventors
- 👤 Carter R Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:35
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/14; E21B43/02; E21B43/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
203 words
IN COMBINATION WITH A WELL PACKER DISPOSED WITHIN A WELL BORE IN A SET POSITION TO SEPARATE TWO PRODUCING ZONES WHEREIN SAID PACKER HAS A PASSAGE EXTENDING THERETHROUGH, A TUBING STRING SUPPORT ASSEMBLY INCLUDING: A BODY HAVING A PAIR OF PASSAGES EXTENDING THERETHROUGH; A FIRST TUBING STRING EXTENDING ENTIRELY THROUGH ONE OF THE PASSAGES OF THE BODY AND MOVABLY CONNECTED TO THE BODY, THE LOWER PORTION OF SAID FIRST TUBING STRING PROJECTING DOWNWARDLY FROM THE BODY AND HAVING ITS LOWER END EXTENDING THROUGH THE PASSAGE IN THE WELL PACKER TO COMMUNICATE WITH THE PRODUCING ZONE BELOW SAID PACKER; MEANS ON THE LOWER PORTION OF SAID FIRST TUBING STRING ENGAGING THE WELL PACKER TO SUPPORT THE BODY WITHIN THE WELL BORE; AND A SECOND TUBING STRING HAVING ITS LOWER PORTION LANDED IN THE SECOND PASSAGE IN THE BODY AND HAVING ITS LOWER END TERMINATING ABOVE THE WELL PACKER TO COMMUNICATE WITH THE ZONE ABOVE SAID PACKER; SAID FIRST TUBING STRING BEING MOVABLE WITH RESPECT TO SAID BODY WHILE SAID SECOND TUBING STRING IS ENGAGED IN SAID SECOND PASSAGE OF SAID BODY, WHEREBY THE LOWER PORTION OF SAID FIRST TUBING STRING MAY BE MOVED WITHOUT MOVING THE BODY AND WITHOUT MOVING THE SECOND TUBING STRING.
Claim 2
Dependent Claim
203 words
IN COMBINATION WITH A WELL PACKER DISPOSED WITHIN A WELL BORE IN A SET POSITION TO SEPARATE TWO PRODUCING ZONES WHEREIN SAID PACKER HAS A PASSAGE EXTENDING THERETHROUGH, A TUBING STRING SUPPORT ASSEMBLY INCLUDING: A BODY HAVING A PAIR OF PASSAGES EXTENDING THERETHROUGH; A FIRST TUBING STRING EXTENDING ENTIRELY THROUGH ONE OF THE PASSAGES OF THE BODY AND MOVABLY CONNECTED TO THE BODY, THE LOWER PORTION OF SAID FIRST TUBING STRING PROJECTING DOWNWARDLY FROM THE BODY AND HAVING ITS LOWER END EXTENDING THROUGH THE PASSAGE IN THE WELL PACKER TO COMMUNICATE WITH THE PRODUCING ZONE BELOW SAID PACKER; MEANS ON THE LOWER PORTION OF SAID FIRST TUBING STRING ENGAGING THE WELL PACKER TO SUPPORT THE BODY WITHIN THE WELL BORE; AND A SECOND TUBING STRING HAVING ITS LOWER PORTION LANDED IN THE SECOND PASSAGE IN THE BODY AND HAVING ITS LOWER END TERMINATING ABOVE THE WELL PACKER TO COMMUNICATE WITH THE ZONE ABOVE SAID PACKER; SAID FIRST TUBING STRING BEING MOVABLE WITH RESPECT TO SAID BODY WHILE SAID SECOND TUBING STRING IS ENGAGED IN SAID SECOND PASSAGE OF SAID BODY, WHEREBY THE LOWER PORTION OF SAID FIRST TUBING STRING MAY BE MOVED WITHOUT MOVING THE BODY AND WITHOUT MOVING THE SECOND TUBING STRING.
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) | 1970-07-10 | 1971-01-09 | 1971-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-10 | 1975-01-09 | 1975-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-10 | 1979-01-09 | 1979-07-11 | $7700.00 | Window Closed / Lapsed |