US3219116A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Offshore method and apparatus
Assignee: ExxonMobil Upstream Research Co
•
Filing: 1963-09-24
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Granted: 1965-11-23
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Expires: 1983-09-24
Abstract
No abstract record available.
Inventors
- 👤 Jr Jamie F Matthews
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:56
CPC Classifications
E; E21; E21B; E21B41/00; E21B41/0007; E02; E02B; E02B17/00; E21B43/00; E21B43/01; E21B43/0107; E02B2017/0095
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
84 words
A METHOD OF INSTALLING A FLOW LINE FOR AN OFFSHORE WELL WHEREIN A VERTICALLY LOCATED SUPPORT STRUCTURE FOR SAID WELL IN A BODY OF WATER IS PROVIDED WITH A FLOW LINE RISER AND WHEREIN SAID FLOW LINE RISER HAS A SUBSTANTIALLY VERTICAL SECTION MOVABLY CONNECTED THERETO HAVING AN UPPER FREE END WHICH COMPRISES SUPPORTINGLY LOWERING THE FREE END OF SAID MOVABLE SECTION FROM ITS SUBSTANTIALLY VERTICAL POSITION, AND EXTENDING THE LENGTH OF SAID FREE END WHILE SUPPORTINGLY LOWERING SAID MOVABLE SECTION TO WATER BOTTOM.
References Cited (Backward Citations)
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US2970646A
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US3055429A
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US3071188A
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US3032106A
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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) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |