US3370651A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Well packer
Assignee: Individual
•
Filing: 1966-04-01
•
Granted: 1968-02-27
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Expires: 1986-04-01
Abstract
No abstract record available.
Inventors
- 👤 Joe R Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:50
CPC Classifications
E; E21; E21B; E21B33/00; E21B33/10; E21B33/12; E21B33/122
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
A DUAL-PRODUCTION WELL PACKER ADAPTED TO BE LOWERED AND SET WITHIN A WELL BORE, COMPRISING A FIRST TUBULAR SUPPORT, A SECOND TUBULAR SUPPORT, AN UPPER ABUTMENT SURROUNDING SAID TUBULAR SUPPORTS AND SECURED TO SAID SECOND TUBULAR SUPPORT, MEANS CONNECTING SAID FIRST TUBULAR SUPPORT TO SAID UPPER ABUTMENT WHEREBY SAID FIRST TUBULAR SUPPORT MAY BE ROTATED WITHIN SAID UPPER ABUTMENT AND TO PROVIDE A LIMITED LONGITUDINAL MOVEMENT OF SAID FIRST TUBULAR SUPPORT WITH RESPECT TO SAID UPPER ABUTMENT, A LOWER ABUTMENT SURROUNDING SAID TUBULAR SUPPORTS AND SPACED LONGITUDINALLY THEREON BELOW SAID UPPER ABUTMENT, AN ANCHORING ASSEMBLY, INCLUDING GRIPPING ELEMENTS, MOUNTED ON SAID TUBULAR SUPPORTS BETWEEN SAID ABUTMENTS, SETTING MEANS MOUNTED ON SAID TUBULAR SUPPORTS AND COACTING WITH SAID ANCHORING ASSEMBLY TO MOVE SAID ASSEMBLY INTO SET POSITION WHEN ACTUATED,
Claim 2
Dependent Claim
128 words
A DUAL-PRODUCTION WELL PACKER ADAPTED TO BE LOWERED AND SET WITHIN A WELL BORE, COMPRISING A FIRST TUBULAR SUPPORT, A SECOND TUBULAR SUPPORT, AN UPPER ABUTMENT SURROUNDING SAID TUBULAR SUPPORTS AND SECURED TO SAID SECOND TUBULAR SUPPORT, MEANS CONNECTING SAID FIRST TUBULAR SUPPORT TO SAID UPPER ABUTMENT WHEREBY SAID FIRST TUBULAR SUPPORT MAY BE ROTATED WITHIN SAID UPPER ABUTMENT AND TO PROVIDE A LIMITED LONGITUDINAL MOVEMENT OF SAID FIRST TUBULAR SUPPORT WITH RESPECT TO SAID UPPER ABUTMENT, A LOWER ABUTMENT SURROUNDING SAID TUBULAR SUPPORTS AND SPACED LONGITUDINALLY THEREON BELOW SAID UPPER ABUTMENT, AN ANCHORING ASSEMBLY, INCLUDING GRIPPING ELEMENTS, MOUNTED ON SAID TUBULAR SUPPORTS BETWEEN SAID ABUTMENTS, SETTING MEANS MOUNTED ON SAID TUBULAR SUPPORTS AND COACTING WITH SAID ANCHORING ASSEMBLY TO MOVE SAID ASSEMBLY INTO SET POSITION WHEN ACTUATED,
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) | 1971-02-26 | 1971-08-28 | 1972-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-26 | 1975-08-28 | 1976-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-26 | 1979-08-28 | 1980-02-27 | $7700.00 | Window Closed / Lapsed |