Patent US3233666A successfully refreshed from Google Patents.
US3233666A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Underwater wellhead with remotelydetachable flow line
Assignee: Shell USA Inc
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Filing: 1962-07-19
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Granted: 1966-02-08
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Expires: 1982-07-19
Abstract
No abstract record available.
Inventors
- 👤 Ronald L Geer
- 👤 Lloyd G Otteman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:56
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/01; E21B43/013
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
A METHOD OF INSTALLING PRODUCTION EQUIPMENT AT AN UNDERWATER WELLHEAD POSITIONED IN OPEN WATER NEAR THE OCEAN FLOOR AND EXPOSED TO OCEAN CURRENTS, SAID METHOD COMPRISING (A) GUIDING A PRODUCTION WELLHEAD ASSEMBLY DOWN THROUGH A BODY OF WATER INTO REGISTER WITH AN UNDERWATER WELLHEAD, SAID WELLHEAD ASSEMBLY HAVING AN END OF A PRODUCTION FLUID FLOWLINE EXTENDING THEREFROM AT SAID UNDERWATER LOCATION, (B) SEATING SAID PRODUCTION WELLHEAD ASSEMBLY ON AND SECURING IT TO SAID UNDERWATER WELLHEAD, (C) REMOTELY GUIDING, FROM ABOVE THE SURFACE OF THE WATER, THE END OF AN UNDERWATER PRODUCTION FLOWLINE DOWN THROUGH SAID BODY OF WATER AND INTO REGISTER WITH THE END OF THE PRODUCTION FLOWLINE EXTENDING FROM SAID PRODUCTION WELLHEAD ASSEMBLY AND ALONG THE OCEAN FLOOR, AND (D) CONNECTING THE REGISTERING ENDS OF SAID PRODUCTION FLOWLINES IN A FLUIDTIGHT MANNER ONE WITH THE OTHER.
Claim 2
Independent Claim
137 words
A METHOD OF INSTALLING PRODUCTION EQUIPMENT AT AN UNDERWATER WELLHEAD POSITIONED IN OPEN WATER NEAR THE OCEAN FLOOR AND EXPOSED TO OCEAN CURRENTS, SAID METHOD COMPRISING (A) GUIDING A PRODUCTION WELLHEAD ASSEMBLY DOWN THROUGH A BODY OF WATER INTO REGISTER WITH AN UNDERWATER WELLHEAD, SAID WELLHEAD ASSEMBLY HAVING AN END OF A PRODUCTION FLUID FLOWLINE EXTENDING THEREFROM AT SAID UNDERWATER LOCATION, (B) SEATING SAID PRODUCTION WELLHEAD ASSEMBLY ON AND SECURING IT TO SAID UNDERWATER WELLHEAD, (C) REMOTELY GUIDING, FROM ABOVE THE SURFACE OF THE WATER, THE END OF AN UNDERWATER PRODUCTION FLOWLINE DOWN THROUGH SAID BODY OF WATER AND INTO REGISTER WITH THE END OF THE PRODUCTION FLOWLINE EXTENDING FROM SAID PRODUCTION WELLHEAD ASSEMBLY AND ALONG THE OCEAN FLOOR, AND (D) CONNECTING THE REGISTERING ENDS OF SAID PRODUCTION FLOWLINES IN A FLUIDTIGHT MANNER ONE WITH THE OTHER.
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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) | 1969-02-07 | 1969-08-09 | 1970-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-07 | 1973-08-09 | 1974-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-07 | 1977-08-09 | 1978-02-08 | $7700.00 | Window Closed / Lapsed |