US3312283A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for installing and retrieving well tools in well strings
Assignee: Shell USA Inc
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Filing: 1964-06-30
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Granted: 1967-04-04
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Expires: 1984-06-30
Abstract
No abstract record available.
Inventors
- 👤 Edward D Yetman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:13
CPC Classifications
E; E21; E21B; E21B23/00; E21B23/08; E21B23/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
AN APPARATUS FOR INSTALLING WELL TOOLS IN ONE OF A SERIES OF IDENTICAL POCKETS DISPOSED LATERALLY OF AND IN COMMUNICATION WITH THE INTERIOR OF A WELL STRING, SAID APPARATUS COMPRISING: (A) TOOL CARRIER MEANS ADAPTED TO BE PUMPED THROUGH THE WELL STRING IN SLIDING CONTACT WITH THE WALL THEREOF; (B) A SELECTIVELY OPERABLE INSTALLATION MECHANISM OPERATIVELY ASSOCIATED WITH SAID CARRIER MEANS AND ADAPTED TO BE ACTIVATED TO INSTALL A TOOL IN A PRESELECTED POCKET OF THE WELL STRING, SAID POCKET BEING LATERALLY OFFSET FROM THE WELL STRING AXIS IN ONE DIRECTION; (C) AN INDEXING MECHANISM OPERATIVELY SECURED TO SAID INSTALLATION MECHANISM AND HAVING MEANS FOR DETERMINING THE NUMBER OF POCKETS BY WHICH THE APPARATUS HAS PASSED; AND (D) ACTUATING MEANS CARRIED BY SAID INDEXING DEVICE AND COOPERABLE WITH SAID INSTALLATION MECHANISM TO INSTALL THE TOOL IN SAID PRESELECTED POCKET OF THE WELL STRING WHEN ACTIVATED BY SAID INDEXING MECHANISM.
Claim 2
Independent Claim
149 words
AN APPARATUS FOR INSTALLING WELL TOOLS IN ONE OF A SERIES OF IDENTICAL POCKETS DISPOSED LATERALLY OF AND IN COMMUNICATION WITH THE INTERIOR OF A WELL STRING, SAID APPARATUS COMPRISING: (A) TOOL CARRIER MEANS ADAPTED TO BE PUMPED THROUGH THE WELL STRING IN SLIDING CONTACT WITH THE WALL THEREOF; (B) A SELECTIVELY OPERABLE INSTALLATION MECHANISM OPERATIVELY ASSOCIATED WITH SAID CARRIER MEANS AND ADAPTED TO BE ACTIVATED TO INSTALL A TOOL IN A PRESELECTED POCKET OF THE WELL STRING, SAID POCKET BEING LATERALLY OFFSET FROM THE WELL STRING AXIS IN ONE DIRECTION; (C) AN INDEXING MECHANISM OPERATIVELY SECURED TO SAID INSTALLATION MECHANISM AND HAVING MEANS FOR DETERMINING THE NUMBER OF POCKETS BY WHICH THE APPARATUS HAS PASSED; AND (D) ACTUATING MEANS CARRIED BY SAID INDEXING DEVICE AND COOPERABLE WITH SAID INSTALLATION MECHANISM TO INSTALL THE TOOL IN SAID PRESELECTED POCKET OF THE WELL STRING WHEN ACTIVATED BY SAID INDEXING MECHANISM.
References Cited (Backward Citations)
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US2776564A
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US2828698A
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US2959227A
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US3054456A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-04-03 | 1970-10-03 | 1971-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-03 | 1974-10-03 | 1975-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-03 | 1978-10-03 | 1979-04-04 | $7700.00 | Window Closed / Lapsed |