US3361209A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Well packer
Assignee: Baker Hughes Holdings LLC
•
Filing: 1966-02-23
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Granted: 1968-01-02
•
Expires: 1986-02-23
Abstract
No abstract record available.
Inventors
- 👤 Jr Joe E Edwards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:57
CPC Classifications
E; E21; E21B; E21B33/00; E21B33/10; E21B33/12; E21B33/129; E21B33/1295; E21B43/00; E21B43/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
A WELL TOOL ADAPTED TO BE SET IN A WELL PIPE INCLUDING A TUBULAR SUPPORT, AN ANCHORING ASSEMBLY INCLUDING GRIPPING ELEMENTS MOUNTED ON SAID TUBULAR SUPPORT, PRESSURE-ANCHORED MEANS MOUNTED ON SAID TUBULAR SUPPORT FOR SETTING SAID ANCHORING ASSEMBLY WITHIN A WELL PIPE, A FLUID COMMUNICATION TO SAID PRESSURE-ACTUATED MEANS, SELECTIVELY RELEASABLY MEANS CLOSING SAID COMMUNICATION TO SAID PRESSURE-ACTUATED SETTING MEANS, SETTING OF SAID ANCHORING ASSEMBLY MOVING SAID GRIPPING ELEMENTS INTO PIPE-GRIPPING ENGAGEMENT WITH SAID WELL PIPE TO HOLD AGAINST LONGITUDINAL MOVEMENT IN BOTH DIRECTIONS, AND A RELEASING ASSEMBLY PROVIDING A CONNECTION BETWEEN SAID SETTING MEANS AND SAID TUBULAR SUPPORT WHEREBY LIFTING OF SAID TUBULAR SUPPORT EFFECTS RELEASE OF SAID RELEASING ASSEMBLY AND UNSETS SAID ANCHORING ASSEMBLY.
Claim 2
Dependent Claim
116 words
A WELL TOOL ADAPTED TO BE SET IN A WELL PIPE INCLUDING A TUBULAR SUPPORT, AN ANCHORING ASSEMBLY INCLUDING GRIPPING ELEMENTS MOUNTED ON SAID TUBULAR SUPPORT, PRESSURE-ANCHORED MEANS MOUNTED ON SAID TUBULAR SUPPORT FOR SETTING SAID ANCHORING ASSEMBLY WITHIN A WELL PIPE, A FLUID COMMUNICATION TO SAID PRESSURE-ACTUATED MEANS, SELECTIVELY RELEASABLY MEANS CLOSING SAID COMMUNICATION TO SAID PRESSURE-ACTUATED SETTING MEANS, SETTING OF SAID ANCHORING ASSEMBLY MOVING SAID GRIPPING ELEMENTS INTO PIPE-GRIPPING ENGAGEMENT WITH SAID WELL PIPE TO HOLD AGAINST LONGITUDINAL MOVEMENT IN BOTH DIRECTIONS, AND A RELEASING ASSEMBLY PROVIDING A CONNECTION BETWEEN SAID SETTING MEANS AND SAID TUBULAR SUPPORT WHEREBY LIFTING OF SAID TUBULAR SUPPORT EFFECTS RELEASE OF SAID RELEASING ASSEMBLY AND UNSETS SAID ANCHORING ASSEMBLY.
References Cited (Backward Citations)
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Cited
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US3180419A
Cited
US3253656A
Cited
US3294172A
Cited
US3283824A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-01 | 1971-07-03 | 1972-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-01 | 1975-07-03 | 1976-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-01 | 1979-07-03 | 1980-01-02 | $7700.00 | Window Closed / Lapsed |