US3324943A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Off-shore drilling
Assignee: Texaco Inc
•
Filing: 1964-07-13
•
Granted: 1967-06-13
•
Expires: 1984-07-13
Abstract
No abstract record available.
Inventors
- 👤 Tom B Price
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:44
CPC Classifications
E; E21; E21B; E21B33/00; E21B33/02; E21B33/03; E21B33/06; E21B33/064; E21B17/00; E21B17/02; E21B17/08; E21B17/085; E21B17/0853; E21B33/035; E21B33/038
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
IN AN APPARATUS FOR CONTROLLING OPERATIONS IN A BOREHOLE LOCATED IN A SUBMARINE FORMATION WHICH APPARTUS INCLUDES A WELL-HEAD ASSOCIATED WITH THE BOREHOLE AND ADAPTED TO RECEIVE WELL-HEAD EQUIPMENT, A SUBSTANTIALLY SELF-SUPPORTING, ELONGATED, AND TUBULAR GUIDE MEMBER ANCHORED AT ITS LOWER END TO THE FORMATION AND EXTENDING TO A SURFACE LOCATION ABOVE THE WATER OVERLYING SAID FORMATION, SAID ELONGATED TUBULAR GUIDE MEMBER BEING ADAPTED TO RECEIVE A CONNECTING MEANS SLIDABLE THEREON AND CONSTRAINABLE THEREBY TO GUIDE EQUIPMENT FROM THE SURFACE OF THE WATER INTO PREDETERMINED RELATIONSHIP WITH SAID WELL-HEAD AS IT SLIDES DOWN THE GUIDE MEMBER, THE IMPROVEMENT WHICH COMPRISES FIRST CONDUIT MEANS CONNECTED BETWEEN A LOWER PORTION OF SAID TUBULAR GUIDE MEMBER AND ONE PART OF SAID WELL-HEAD EQUIPMENT, A SECOND CONDUIT MEANS CONNECTED BETWEEN THE LOWER PORTION
Claim 2
Dependent Claim
129 words
IN AN APPARATUS FOR CONTROLLING OPERATIONS IN A BOREHOLE LOCATED IN A SUBMARINE FORMATION WHICH APPARTUS INCLUDES A WELL-HEAD ASSOCIATED WITH THE BOREHOLE AND ADAPTED TO RECEIVE WELL-HEAD EQUIPMENT, A SUBSTANTIALLY SELF-SUPPORTING, ELONGATED, AND TUBULAR GUIDE MEMBER ANCHORED AT ITS LOWER END TO THE FORMATION AND EXTENDING TO A SURFACE LOCATION ABOVE THE WATER OVERLYING SAID FORMATION, SAID ELONGATED TUBULAR GUIDE MEMBER BEING ADAPTED TO RECEIVE A CONNECTING MEANS SLIDABLE THEREON AND CONSTRAINABLE THEREBY TO GUIDE EQUIPMENT FROM THE SURFACE OF THE WATER INTO PREDETERMINED RELATIONSHIP WITH SAID WELL-HEAD AS IT SLIDES DOWN THE GUIDE MEMBER, THE IMPROVEMENT WHICH COMPRISES FIRST CONDUIT MEANS CONNECTED BETWEEN A LOWER PORTION OF SAID TUBULAR GUIDE MEMBER AND ONE PART OF SAID WELL-HEAD EQUIPMENT, A SECOND CONDUIT MEANS CONNECTED BETWEEN THE LOWER PORTION
References Cited (Backward Citations)
US2923531A
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US3114420A
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US3219117A
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US3236301A
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US3189098A
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US3221817A
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US3236302A
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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) | 1970-06-12 | 1970-12-12 | 1971-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-12 | 1974-12-12 | 1975-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-12 | 1978-12-12 | 1979-06-13 | $7700.00 | Window Closed / Lapsed |