Patent US3332484A successfully refreshed from Google Patents.
US3332484A
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Subsea well control tube methods and apparatus
Assignee: Regan Forge and Engineering Co
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Filing: 1963-11-29
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Granted: 1967-07-25
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Expires: 1983-11-29
Abstract
No abstract record available.
Inventors
- 👤 Bruce J Watkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:14
CPC Classifications
E; E21; E21B; E21B7/00; E21B7/12; E21B7/128; E21B17/00; E21B17/02; E21B17/08; E21B17/085; E21B17/0853; E21B33/00; E21B33/02; E21B33/03; E21B33/035; E21B33/0387
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
106 words
A METHOD OF RUNNING CONTROL TUBE APPARATUS TO AN UNDERWATER WELL TO BE OPERATED BY FLUID PRESSURE TRANSMITTED THROUGH CONTROL TUBES COMPRISING THE STEP OF: ESTABLISHING A PLURALITY OF GUIDE LINES BETWEEN A FLOATING PLATFORM AND A SUBSEA OIL WELL HEAD; RUNNING A STRING OF CONDUCTOR PIPE FROM SAID PLATFORM TO SAID WELL HEAD BY COUPLING SUCCESSIVE SECTIONS THEREOF TOGETHER ON SAID PLATFORM; GUIDING SAID STRING OF CONDUCTOR PIPE TO SAID WELL HEAD BY GUIDE MEANS ASSOCIATED THEREWITH RUNNING ON SAID GUIDE LINES; RUNNING A PLURALITY OF CONTROL TUBE CASING STRINGS FROM SAID PLATFORM TO SAID WELL HEAD BY COUPLING SUCCESSIVE SECTION THEREOF ON SAID PLATFORM;
References Cited (Backward Citations)
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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) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |