US3219119A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Offshore apparatus
Assignee: ExxonMobil Upstream Research Co
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Filing: 1964-08-20
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Granted: 1965-11-23
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Expires: 1984-08-20
Abstract
No abstract record available.
Inventors
- 👤 Jr Jamie F Matthews
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:12
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
146 words
OFFSHORE APPARATUS WHICH COMPRISES A STRUCTURE ADAPTED TO BE VERTICALLY ARRANGED IN A BODY OF WATER TO EXTEND FROM WATER BOTTOM TO ABOVE WATER SURFACE AND HAVING A WELL EXTENDING TO SAID STRUCTURE, A FLOW RISER HAVING A FREE UPPER END AND A LOWER END, SAID FLOW RISER BEING ATTACHED TO SAID STRUCTURE AND ADAPTED TO BE CONNECTED TO SAID WELL AT ITS UPPER END, A MOVABLE PIPE SECTION HAVING A LOWER END, SAID MOVABLE PIPE SECTION BEING RELEASABLY ATTACHED TO SAID STRUCTURE IN A SUBSTANTIALLY VERTICAL POSITION, AND MEANS FIXEDLY POSITIONED ADJACENT WATER BOTTOM CONNECTING THE LOWER ENDS OF SAID LOW RISER AND SAID MOVABLE PIPE SECTION PERMITTING ROTATION OF SAID MOVABLE PIPE SECTION FROM ITS SUBSTANTIALLY VERTICAL POSITION TO A POSITION ON WATER BOTTOM, SAID MOVABLE SECTION AND SAID FLOW RISER BEING SUFFICIENTLY LONG TO EXTEND FROM WATER BOTTOM AT LEAST TO WATER SURFACE.
Claim 2
Dependent Claim
146 words
OFFSHORE APPARATUS WHICH COMPRISES A STRUCTURE ADAPTED TO BE VERTICALLY ARRANGED IN A BODY OF WATER TO EXTEND FROM WATER BOTTOM TO ABOVE WATER SURFACE AND HAVING A WELL EXTENDING TO SAID STRUCTURE, A FLOW RISER HAVING A FREE UPPER END AND A LOWER END, SAID FLOW RISER BEING ATTACHED TO SAID STRUCTURE AND ADAPTED TO BE CONNECTED TO SAID WELL AT ITS UPPER END, A MOVABLE PIPE SECTION HAVING A LOWER END, SAID MOVABLE PIPE SECTION BEING RELEASABLY ATTACHED TO SAID STRUCTURE IN A SUBSTANTIALLY VERTICAL POSITION, AND MEANS FIXEDLY POSITIONED ADJACENT WATER BOTTOM CONNECTING THE LOWER ENDS OF SAID LOW RISER AND SAID MOVABLE PIPE SECTION PERMITTING ROTATION OF SAID MOVABLE PIPE SECTION FROM ITS SUBSTANTIALLY VERTICAL POSITION TO A POSITION ON WATER BOTTOM, SAID MOVABLE SECTION AND SAID FLOW RISER BEING SUFFICIENTLY LONG TO EXTEND FROM WATER BOTTOM AT LEAST TO WATER SURFACE.
References Cited (Backward Citations)
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 |