US3606927A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Running in and operation of valves and the like in a well
Assignee: ExxonMobil Upstream Research Co
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Filing: 1969-08-14
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Granted: 1971-09-21
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Expires: 1989-08-14
Abstract
Abstract VALVES AND THE LIKE IN A WELL SUCH AS A SUBMARINE WELL ARE OPERATED BY RUNNING A TUBULAR MEMBER INTO THE WELL PRODUCTION PIPE FROM A REEL AT THE SURFACE AND LOCKING THE TUBULAR MEMBER TO SAID VALVE AND THE LIKE APPARATUS FOLLOWED BY FLOWING FLUID UNDER PRESSURE THROUGH THE TUBULAR MEMBER TO OPERATE THE VALVE AND THE LIKE, THE TUBULAR MEMBER ALSO BEING LOCKED BY FLUID PRESSURE. THUS, A TUBULAR MEMBER PROVIDED WITH A TELESCOPIC MEMBER IS RUN INTO THE WELL PRODUCTION PIPE AND LOCKED IN A TUBULAR HOUSING CONNECTED TO THE VALVE AND THE LIKE.
Inventors
- 👤 Martin E True
- 👤 William E Kanady
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:09
CPC Classifications
E; E21; E21B; E21B23/00; E21B23/04; E21B23/0418; E21B23/042; E21B34/00; E21B34/06; E21B2200/00; E21B2200/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-20 | 1975-03-22 | 1975-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-20 | 1979-03-22 | 1979-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-20 | 1983-03-22 | 1983-09-21 | $7700.00 | Window Closed / Lapsed |