US3097696A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-expanding retrievable or permanent bridge plug
Assignee: Jersey Production Research Co
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Filing: 1961-07-27
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Granted: 1963-07-16
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Expires: 1981-07-27
Abstract
No abstract record available.
Inventors
- 👤 Willis P Orr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:04
CPC Classifications
E; E21; E21B; E21B33/00; E21B33/10; E21B33/12; E21B33/126; E21B33/1204; E21B33/128
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A PLUG MEMBER FOR CASING COMPRISING: A SELF-EXPANDING, STRETCHABLE MEMBER HAVING A COAXIAL PASSAGE WAY EXTENDING THERETHROUGH, SAID PASSAGE BEING OPEN AT THE TOP AND CLOSED AT THE BOTTOM; A FISHING NECK AT THE OPEN END OF THE PASSAGEWAY; AND GRIPPING MEMBERS ON THE OUTSIDE OF THE SELF-EXPANDING, STRETCHABLE MEMBER WHEREBY A RUNNING TOOL HAVING A ROD ADAPTED TO ENTER THE PASSAGEWAY AND ENGAGE THE BOTTOM OF THE PASSAGEWAY MAY BE USED TO LOWER THE MEMBER DOWN THE CASING IN STRETCHED CONDITION TO THE DESIRED LOCATION AND THE TOOL THEN REMOVED TO PERMIT THE SELF-EXPANDING MEMBER TO EXPAND INTO CONTACT WITH THE CASING.
Claim 2
Dependent Claim
103 words
A PLUG MEMBER FOR CASING COMPRISING: A SELF-EXPANDING, STRETCHABLE MEMBER HAVING A COAXIAL PASSAGE WAY EXTENDING THERETHROUGH, SAID PASSAGE BEING OPEN AT THE TOP AND CLOSED AT THE BOTTOM; A FISHING NECK AT THE OPEN END OF THE PASSAGEWAY; AND GRIPPING MEMBERS ON THE OUTSIDE OF THE SELF-EXPANDING, STRETCHABLE MEMBER WHEREBY A RUNNING TOOL HAVING A ROD ADAPTED TO ENTER THE PASSAGEWAY AND ENGAGE THE BOTTOM OF THE PASSAGEWAY MAY BE USED TO LOWER THE MEMBER DOWN THE CASING IN STRETCHED CONDITION TO THE DESIRED LOCATION AND THE TOOL THEN REMOVED TO PERMIT THE SELF-EXPANDING MEMBER TO EXPAND INTO CONTACT WITH THE CASING.
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) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |