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US3294173A
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Pulling tool assembly
Assignee: Sunoco Inc
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Filing: 1964-01-09
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Granted: 1966-12-27
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Expires: 1984-01-09
Abstract
No abstract record available.
Inventors
- 👤 James W Hodges
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:30
CPC Classifications
E; E21; E21B; E21B31/00; E21B31/107; E21B31/12; E21B31/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
IN A WIRELINE PULLING TOOL ASSEMBLY FOR PULLING SUBSURFACE CONTROLS UPWARDLY THROUGH A STRING OF TUBING, A LOWER JAR ATTACHED SECURELY TO THE SUBSURFACE CONTROL TO BE PULLED UPWARDLY, AN UPPER JAR ATTACHED TO A WIRELINE MANIPULATABLE AT THE SURFACE, MEANS COUPLING ATOGETHER SAID LOWER JAR AND SAID UPPER JAR SO THAT THEY NORMALLY MOVE UPWARDLY TOGETHER IN RESPONSE TO REELING IN OF SAID WIRELINE, SAID COUPLING MEANS PROVIDING A DEGREE OF LOOSENESS WHEREBY SAID JAWS CAN MOVE RELATIVE TO EACH OTHER IN THE DIRECTION OF THE LENGTH OF SAID TUBING; AND MEANS ACTING ONLY IN RESPONSE TO AN UPWARD MOVEMENT OF SAID LOWER JAR RELATIVE TO SAID UPPER JAR FOR RESTING THE FURTHER UPWARD MOVEMENT OF SAID LOWER JAR AND OF THE SUBSURFACE CONTROL CARRIED THEREBY.
Claim 2
Dependent Claim
127 words
IN A WIRELINE PULLING TOOL ASSEMBLY FOR PULLING SUBSURFACE CONTROLS UPWARDLY THROUGH A STRING OF TUBING, A LOWER JAR ATTACHED SECURELY TO THE SUBSURFACE CONTROL TO BE PULLED UPWARDLY, AN UPPER JAR ATTACHED TO A WIRELINE MANIPULATABLE AT THE SURFACE, MEANS COUPLING ATOGETHER SAID LOWER JAR AND SAID UPPER JAR SO THAT THEY NORMALLY MOVE UPWARDLY TOGETHER IN RESPONSE TO REELING IN OF SAID WIRELINE, SAID COUPLING MEANS PROVIDING A DEGREE OF LOOSENESS WHEREBY SAID JAWS CAN MOVE RELATIVE TO EACH OTHER IN THE DIRECTION OF THE LENGTH OF SAID TUBING; AND MEANS ACTING ONLY IN RESPONSE TO AN UPWARD MOVEMENT OF SAID LOWER JAR RELATIVE TO SAID UPPER JAR FOR RESTING THE FURTHER UPWARD MOVEMENT OF SAID LOWER JAR AND OF THE SUBSURFACE CONTROL CARRIED THEREBY.
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) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |