US3333870A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Marine conductor coupling with double seal construction
Assignee: Hughes Tool Co
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Filing: 1965-12-30
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Granted: 1967-08-01
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Expires: 1985-12-30
Abstract
No abstract record available.
Inventors
- 👤 Bruce J Watkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:44
CPC Classifications
F; F16; F16L; F16L17/00; Y; Y10; Y10S; Y10S248/00; Y10S248/909
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
169 words
THE METHOD OF PROVIDING A DOUBLE SEALED COUPLING BETWEEN TWO AXIALLY ALIGNED SUB-SEA WELL CONDUITS COMPRISING THE STEPS OF: ASSEMBLING A COUPLING BODY TO AN END OF A CONDUIT TO BE LOWERED FROM A FLOATING VESSEL TOWARD A SECOND CONDUIT IN THE SEA BELOW THE VESSEL; ASSEMBLING A PRIMARY SEAL MEANS WITHIN A SOCKET PORTION OF SAID COUPLING BODY ADJACENT AN INNER END WALL OF SAID SOCKET PORTION AND A SECONDARY SEAL MEANS WITHIN SAID SOCKET PORTION ABOUT AN INNER SIDE WALL THEREOF AND AXIALLY SPACED OUTWARDLY FROM SAID PRIMARY SEAL MEANS; LANDING SAID COUPLING BODY UPON A FREE END OF THE SECOND CONDUIT AND COUPLING SAID BODY TO SAID FREE END WITH AN END FACE SEAT OF SAID FREE END ABUTTING SAID PRIMARY SEAL MEANS TO EFFECT A PRIMARY SEAL WITHOUT EFFECTING A SEAL BETWEEN SAID SECONDARY SEAL MEANS AND SAID SECOND CONDUIT; AND THEREAFTER ACTIVATING SAID SECONDARY SEAL MEANS TO PROVIDE A SECONDARY SEAL BETWEEN SAID COUPLING BODY AND SAID SECONDARY CONDUIT INDEPENDENTLY OF SAID PRIMARY SEAL.
Claim 2
Independent Claim
169 words
THE METHOD OF PROVIDING A DOUBLE SEALED COUPLING BETWEEN TWO AXIALLY ALIGNED SUB-SEA WELL CONDUITS COMPRISING THE STEPS OF: ASSEMBLING A COUPLING BODY TO AN END OF A CONDUIT TO BE LOWERED FROM A FLOATING VESSEL TOWARD A SECOND CONDUIT IN THE SEA BELOW THE VESSEL; ASSEMBLING A PRIMARY SEAL MEANS WITHIN A SOCKET PORTION OF SAID COUPLING BODY ADJACENT AN INNER END WALL OF SAID SOCKET PORTION AND A SECONDARY SEAL MEANS WITHIN SAID SOCKET PORTION ABOUT AN INNER SIDE WALL THEREOF AND AXIALLY SPACED OUTWARDLY FROM SAID PRIMARY SEAL MEANS; LANDING SAID COUPLING BODY UPON A FREE END OF THE SECOND CONDUIT AND COUPLING SAID BODY TO SAID FREE END WITH AN END FACE SEAT OF SAID FREE END ABUTTING SAID PRIMARY SEAL MEANS TO EFFECT A PRIMARY SEAL WITHOUT EFFECTING A SEAL BETWEEN SAID SECONDARY SEAL MEANS AND SAID SECOND CONDUIT; AND THEREAFTER ACTIVATING SAID SECONDARY SEAL MEANS TO PROVIDE A SECONDARY SEAL BETWEEN SAID COUPLING BODY AND SAID SECONDARY CONDUIT INDEPENDENTLY OF SAID PRIMARY SEAL.
Claim 3
Dependent Claim
166 words
A SUB-SEA WELL CONDUIT CONNECTION APPARATUS COMPRISING: A COUPLING BODY INCLUDING LATCH MEANS ON THE END OF A FIRST SUB-SEA WELL CONDUIT INCLUDING A CENTRAL BORE; GIB MEANS ON THE END OF A SECOND SUB-SEA WELL CONDUIT TO BE RECEIVED WITHIN SAID COUPLING BODY AND ENGAGED BY SAID LATCH MEANS, SAID GIB MEANS HAVING AN END FACE SEAT; PRIMARY SEAL MEANS WITHIN SAID COUPLING BODY AGAINST WHICH SAID GIB MEANS END FACE SEAT SEALS UPON LANDING AND LATCHING OF SAID GIB MEANS WITHIN SAID COUPLING BODY TO PROVIDE A PRIMARY SEAL THEREBETWEEN; SECONDARY SEAL MEANS WITHIN SAID COUPLING BODY AND AXIALLY SPACED THEREIN FROM SAID PRIMARY SEAL MEANS, SAID SECONDARY SEAL MEANS BEING INEFFECTIVE TO PROVIDE A SEAL BETWEEN SAID COUPLING BODY AND GIB MEANS UPON SAID LANDING AND LATCHING; AND INDEPENDENTLY OPERABLE MEANS FOR ACTIVATING SAID SECONDARY SEAL MEANS AFTER LANDING AND LATCHING SAID GIB MEANS WITHIN SAID COUPLING BODY FOR SELECTIVELY AND INDEPENDENTLY PROVIDING A SECONDARY SEAL BETWEEN SAID COUPLING BODY AND GIB MEANS.
Claim 4
Dependent Claim
166 words
A SUB-SEA WELL CONDUIT CONNECTION APPARATUS COMPRISING: A COUPLING BODY INCLUDING LATCH MEANS ON THE END OF A FIRST SUB-SEA WELL CONDUIT INCLUDING A CENTRAL BORE; GIB MEANS ON THE END OF A SECOND SUB-SEA WELL CONDUIT TO BE RECEIVED WITHIN SAID COUPLING BODY AND ENGAGED BY SAID LATCH MEANS, SAID GIB MEANS HAVING AN END FACE SEAT; PRIMARY SEAL MEANS WITHIN SAID COUPLING BODY AGAINST WHICH SAID GIB MEANS END FACE SEAT SEALS UPON LANDING AND LATCHING OF SAID GIB MEANS WITHIN SAID COUPLING BODY TO PROVIDE A PRIMARY SEAL THEREBETWEEN; SECONDARY SEAL MEANS WITHIN SAID COUPLING BODY AND AXIALLY SPACED THEREIN FROM SAID PRIMARY SEAL MEANS, SAID SECONDARY SEAL MEANS BEING INEFFECTIVE TO PROVIDE A SEAL BETWEEN SAID COUPLING BODY AND GIB MEANS UPON SAID LANDING AND LATCHING; AND INDEPENDENTLY OPERABLE MEANS FOR ACTIVATING SAID SECONDARY SEAL MEANS AFTER LANDING AND LATCHING SAID GIB MEANS WITHIN SAID COUPLING BODY FOR SELECTIVELY AND INDEPENDENTLY PROVIDING A SECONDARY SEAL BETWEEN SAID COUPLING BODY AND GIB MEANS.
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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) | 1970-07-31 | 1971-01-30 | 1971-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-31 | 1975-01-30 | 1975-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-31 | 1979-01-30 | 1979-08-01 | $7700.00 | Window Closed / Lapsed |