US3115186A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bridge plug
Assignee: Individual
•
Filing: 1961-09-18
•
Granted: 1963-12-24
•
Expires: 1981-09-18
Abstract
No abstract record available.
Inventors
- 👤 Albert K Kline
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:30
CPC Classifications
E; E21; E21B; E21B33/00; E21B33/10; E21B33/12; E21B33/128
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
202 words
A BRIDGE PLUG FOR THE CASING OF AN OIL WELL INCLUDING, A BODY OF DRILLABLE MATERIAL AND IN CYLINDRICAL FORM, A PACKER OF DEFORMABLE MATERIAL AND IN CYLINDRICAL FORM MOUNTED ABOUT THE BODY AT A POSITION INTERMEDIATE THE ENDS, A FIRST ABUTMENT STRUCTURE MOUNTED ON THE LOWER END OF THE BODY TO ENGAGE THE LOWER END OF THE PACKER, A SECOND ABUTMENT STRUCTURE ABOUT THE UPPER END OF THE BODY AND SLIDABLE ON THE BODY TO ENGAGE THE UPPER END OF THE PACKER IN SLIDING TOWARD THE FIRST ABUTMENT STRUCTURE TO DEFORM THE PACKER OUTWARDLY FROM THE BODY UNTIL SEALED AGAINST THE INTERNAL CASING WALL, A WEDGE SURFACE FORMED ON THE SLIDABLE SECOND ABUTMENT STRUCTURE, A BODY OF MATERIAL AND SHAPE WHICH WILL LODGE BETWEEN THE WEDGE SURFACE AND THE CASING WALL WHEN DROPPED TO THE WEDGE SURFACE FROM THE TOP OF THE OIL WELL HOLE, AND MEANS FOR PULLING THE BODY UPWARD WHILE THE BODY OF LODGED MATERIAL PREVENTS THE SECOND ABUTMENT STRUCTURE FROM MOVING RELATIVE TO THE CASING WALL, WHEREBY THE FIRST ABUTMENT STRUCTURE AND BODY OF THE PLUG ARE MOVED UPWARD TO DEFORM THE PACKER OUTWARDLY FROM THE BODY UNTIL THE PACKER IS SEALED AGAINST THE INTERNAL CASING WALL.
Claim 2
Dependent Claim
202 words
A BRIDGE PLUG FOR THE CASING OF AN OIL WELL INCLUDING, A BODY OF DRILLABLE MATERIAL AND IN CYLINDRICAL FORM, A PACKER OF DEFORMABLE MATERIAL AND IN CYLINDRICAL FORM MOUNTED ABOUT THE BODY AT A POSITION INTERMEDIATE THE ENDS, A FIRST ABUTMENT STRUCTURE MOUNTED ON THE LOWER END OF THE BODY TO ENGAGE THE LOWER END OF THE PACKER, A SECOND ABUTMENT STRUCTURE ABOUT THE UPPER END OF THE BODY AND SLIDABLE ON THE BODY TO ENGAGE THE UPPER END OF THE PACKER IN SLIDING TOWARD THE FIRST ABUTMENT STRUCTURE TO DEFORM THE PACKER OUTWARDLY FROM THE BODY UNTIL SEALED AGAINST THE INTERNAL CASING WALL, A WEDGE SURFACE FORMED ON THE SLIDABLE SECOND ABUTMENT STRUCTURE, A BODY OF MATERIAL AND SHAPE WHICH WILL LODGE BETWEEN THE WEDGE SURFACE AND THE CASING WALL WHEN DROPPED TO THE WEDGE SURFACE FROM THE TOP OF THE OIL WELL HOLE, AND MEANS FOR PULLING THE BODY UPWARD WHILE THE BODY OF LODGED MATERIAL PREVENTS THE SECOND ABUTMENT STRUCTURE FROM MOVING RELATIVE TO THE CASING WALL, WHEREBY THE FIRST ABUTMENT STRUCTURE AND BODY OF THE PLUG ARE MOVED UPWARD TO DEFORM THE PACKER OUTWARDLY FROM THE BODY UNTIL THE PACKER IS SEALED AGAINST THE INTERNAL CASING WALL.
References Cited (Backward Citations)
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Cited
US1137205A
Cited
US2345873A
Cited
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Cited
US2382455A
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US2751018A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-23 | 1967-06-24 | 1967-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-23 | 1971-06-24 | 1971-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-23 | 1975-06-24 | 1975-12-24 | $7700.00 | Window Closed / Lapsed |