Patent US3226728A successfully refreshed from Google Patents.
US3226728A
Expired / Lapsed
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Offshore apparatus and method
Assignee: ExxonMobil Upstream Research Co
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Filing: 1963-09-26
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Granted: 1965-12-28
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Expires: 1983-09-26
Abstract
No abstract record available.
Inventors
- 👤 James G Walvoord
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:59
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/01; E21B43/0107; E02; E02B; E02B17/00; E02B2017/0095
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A METHOD FOR PLACING A FLOW LINE ON A WELL SUPPORTED BY A STRUCTURE EXTENDING FROM ABOVE WATER SURFACE TO WATER BOTTOM, WHICH COMPRISES ARRANGING A FIRST LENGTH OF SAID FLOW LINE FOR LONGITUDINAL MOVEMENT ON SAID STRUCTURE WHILE SUPPORTING A SECOND LENGTH OF SAID FLOW LINE AT LEAST AT ITS FREE END, CONNECTING TO THE FREE END OF SAID FIRST LENGTH A SUFFICIENT LENGTH OF PIPE TO EXTEND THE LENGTH OF SAID FIRST LENGTH SUCH THAT THE EXTENDED LENGTH IS SUFFICIENT TO REACH FROM ABOVE WATER SURFACE TO WATER BOTTOM, LOWERING SAID EXTENDED FIRST LENGTH TO
Claim 2
Independent Claim
97 words
A METHOD FOR PLACING A FLOW LINE ON A WELL SUPPORTED BY A STRUCTURE EXTENDING FROM ABOVE WATER SURFACE TO WATER BOTTOM, WHICH COMPRISES ARRANGING A FIRST LENGTH OF SAID FLOW LINE FOR LONGITUDINAL MOVEMENT ON SAID STRUCTURE WHILE SUPPORTING A SECOND LENGTH OF SAID FLOW LINE AT LEAST AT ITS FREE END, CONNECTING TO THE FREE END OF SAID FIRST LENGTH A SUFFICIENT LENGTH OF PIPE TO EXTEND THE LENGTH OF SAID FIRST LENGTH SUCH THAT THE EXTENDED LENGTH IS SUFFICIENT TO REACH FROM ABOVE WATER SURFACE TO WATER BOTTOM, LOWERING SAID EXTENDED FIRST LENGTH TO
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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) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |