US3168141A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Orienting means for perforating apparatus
Assignee: Schlumberger Well Surveying Corp
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Filing: 1959-05-29
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Granted: 1965-02-02
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Expires: 1979-05-29
Abstract
No abstract record available.
Inventors
- 👤 Maurice P Lebourg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:04
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/11; E21B43/119
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
FOR USE IN A BOREHOLE, A WELL TOOL ADAPTED TO BE PASSED THROUGH A STRING OF PIPE AND INCLUDING AN ORIENTING DEVICE AND A WELL PERFORATOR, SAID ORIENTING DEVICE INCLUDING AT LEAST ONE ARM HAVING AN END PORTION MOVABLY MOUNTED ON SAID DEVICE SO THAT THE REMAINING END PORTION IS EXTENDABLE AND RETRACTABLE IN A LONGITUDINAL PLANE BETWEEN A RETRACTED POSITION FOR PASSAGE THROUGH THE BORE OF SAID PIPE STRING AND AN EXTENDED POSITION WHEN DISPOSED IN A LOCATION HAVING A LARGER BORE THAN THE BORE OF SAID PIPE STRING, MEANS FOR URGING SAID ARM OUTWARDLY INTO AN EXTENDED POSITION, MEANS IN SAID ORIENTING DEVICE COUPLED TO SAID ARM FOR RELEASABLY LOCKING SAID ARM IN AN EXTENDED POSITION, SAID PERFORATOR HAVING A DIRECTION OF FIRING FIXED WITH RESPECT TO THE PLANE OF SAID ARM SO AS TO BE ORIENTED FOR FIRING WITH RESPECT TO SAID ARM.
Claim 2
Dependent Claim
146 words
FOR USE IN A BOREHOLE, A WELL TOOL ADAPTED TO BE PASSED THROUGH A STRING OF PIPE AND INCLUDING AN ORIENTING DEVICE AND A WELL PERFORATOR, SAID ORIENTING DEVICE INCLUDING AT LEAST ONE ARM HAVING AN END PORTION MOVABLY MOUNTED ON SAID DEVICE SO THAT THE REMAINING END PORTION IS EXTENDABLE AND RETRACTABLE IN A LONGITUDINAL PLANE BETWEEN A RETRACTED POSITION FOR PASSAGE THROUGH THE BORE OF SAID PIPE STRING AND AN EXTENDED POSITION WHEN DISPOSED IN A LOCATION HAVING A LARGER BORE THAN THE BORE OF SAID PIPE STRING, MEANS FOR URGING SAID ARM OUTWARDLY INTO AN EXTENDED POSITION, MEANS IN SAID ORIENTING DEVICE COUPLED TO SAID ARM FOR RELEASABLY LOCKING SAID ARM IN AN EXTENDED POSITION, SAID PERFORATOR HAVING A DIRECTION OF FIRING FIXED WITH RESPECT TO THE PLANE OF SAID ARM SO AS TO BE ORIENTED FOR FIRING WITH RESPECT TO SAID ARM.
References Cited (Backward Citations)
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Cited
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US2653007A
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US2796023A
Cited
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Cited
US2785754A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-02 | 1968-08-03 | 1969-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-02 | 1972-08-03 | 1973-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-02 | 1976-08-03 | 1977-02-02 | $7700.00 | Window Closed / Lapsed |