US3158202A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Retrievable bridge plug
Assignee: KIVA CORP
•
Filing: 1963-04-18
•
Granted: 1964-11-24
•
Expires: 1983-04-18
Abstract
No abstract record available.
Inventors
- 👤 William R Lewis
- 👤 Willie W Farrar
- 👤 James R Lindley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:05
CPC Classifications
E; E21; E21B; E21B33/00; E21B33/10; E21B33/12; E21B33/126; E21B33/1265
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A BRIDGE PLUG ADAPTED TO BE RETRIEVABLY POSITIONED WITHIN A WELL CASING, COMPRISING: A BODY ADAPTED FOR LONGITUDINAL MOVEMENT WITHIN A WELL CASING; SLEEVE MEANS SLIDABLY DISPOSED ON THE BODY; DRAG MEANS CARRIED BY THE SLEEVE MEANS AND ADAPTED TO SLIDABLY POSITION THE SLEEVE MEANS WITHIN THE CASING; UPPER AND LOWER SLIP MEMBERS CARRIED BY THE SLEEVE MEANS AND ADAPTED TO BE ACTUATED INTO GRIPPING ENGAGEMENT WITH THE WELL CASING FOR ANCHORING THE BRIDGE PLUG WITHIN THE WELL CASING; A DOUBLE CONE EXPANDER MEANS CARRIED BY THE BODY BETWEEN AND ADAPTED TO ACTUATE SAID SLIP MEMBERS; SEALING MEANS CARRIED BY THE BODY ABOVE THE SLEEVE MEANS AND SLIP MEMBERS AND ADAPTED TO COOPERATE WITH THE WELL CASING FOR SEALING OFF FLUID PRESSURE BOTH ABOVE AND BELOW THE PLUG, SAID SEALING MEANS BEING RESPONSIVE TO FLUID PRESSURE EXERTED THEREON TO
Claim 2
Dependent Claim
139 words
A BRIDGE PLUG ADAPTED TO BE RETRIEVABLY POSITIONED WITHIN A WELL CASING, COMPRISING: A BODY ADAPTED FOR LONGITUDINAL MOVEMENT WITHIN A WELL CASING; SLEEVE MEANS SLIDABLY DISPOSED ON THE BODY; DRAG MEANS CARRIED BY THE SLEEVE MEANS AND ADAPTED TO SLIDABLY POSITION THE SLEEVE MEANS WITHIN THE CASING; UPPER AND LOWER SLIP MEMBERS CARRIED BY THE SLEEVE MEANS AND ADAPTED TO BE ACTUATED INTO GRIPPING ENGAGEMENT WITH THE WELL CASING FOR ANCHORING THE BRIDGE PLUG WITHIN THE WELL CASING; A DOUBLE CONE EXPANDER MEANS CARRIED BY THE BODY BETWEEN AND ADAPTED TO ACTUATE SAID SLIP MEMBERS; SEALING MEANS CARRIED BY THE BODY ABOVE THE SLEEVE MEANS AND SLIP MEMBERS AND ADAPTED TO COOPERATE WITH THE WELL CASING FOR SEALING OFF FLUID PRESSURE BOTH ABOVE AND BELOW THE PLUG, SAID SEALING MEANS BEING RESPONSIVE TO FLUID PRESSURE EXERTED THEREON TO
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) | 1967-11-24 | 1968-05-25 | 1968-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-24 | 1972-05-25 | 1972-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-24 | 1976-05-25 | 1976-11-24 | $7700.00 | Window Closed / Lapsed |