US3154147A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Well perforator indexing apparatus
Assignee: Schlumberger Well Surveying Corp
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Filing: 1959-02-24
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Granted: 1964-10-27
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Expires: 1979-02-24
Abstract
No abstract record available.
Inventors
- 👤 Ii C P Lanmon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:02
CPC Classifications
E; E21; E21B; E21B23/00; E21B23/004; E21B23/006; E21B43/00; E21B43/11; E21B43/119; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1558; Y10T74/1584; Y10T74/18; Y10T74/1856
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
APPARATUS FOR USE IN A WELL BORE COMPRISING: A TUBULAR MEMBER INCLUDING HAVING MEANS TO FRICTIONALLY ENGAGE THE WALLS OF A WELL BORE; A MANDREL SLIDABLY RECEIVED BY SAID MEMBER AND ADAPTED TO BE SUPPORTED BY A CABLE; SAID MANDREL HAVING INDEXING SLOT MEANS ARRANGED ABOUT ITS PERIPHERY FOR INDEXING ROTATIVELY SAID MANDREL RELATIVE TO SAID MEMBER IN ONE ROTATIVE DIRECTION ONLY; A FOLLOWER ON SAID MEMBER ADAPTED TO COOPERATE WITH SAID SLOT MEANS TO ROTATE SAID MANDREL RELATIVE TO SAID MEMBER; AND A WELL TOOL HAVING A SELECTED DIRECTION OF OPERATION CONNECTED TO SAID MANDREL FOR ROTATION THEREWITH.
Claim 2
Dependent Claim
99 words
APPARATUS FOR USE IN A WELL BORE COMPRISING: A TUBULAR MEMBER INCLUDING HAVING MEANS TO FRICTIONALLY ENGAGE THE WALLS OF A WELL BORE; A MANDREL SLIDABLY RECEIVED BY SAID MEMBER AND ADAPTED TO BE SUPPORTED BY A CABLE; SAID MANDREL HAVING INDEXING SLOT MEANS ARRANGED ABOUT ITS PERIPHERY FOR INDEXING ROTATIVELY SAID MANDREL RELATIVE TO SAID MEMBER IN ONE ROTATIVE DIRECTION ONLY; A FOLLOWER ON SAID MEMBER ADAPTED TO COOPERATE WITH SAID SLOT MEANS TO ROTATE SAID MANDREL RELATIVE TO SAID MEMBER; AND A WELL TOOL HAVING A SELECTED DIRECTION OF OPERATION CONNECTED TO SAID MANDREL FOR ROTATION THEREWITH.
References Cited (Backward Citations)
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Cited
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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) | 1967-10-27 | 1968-04-27 | 1968-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-27 | 1972-04-27 | 1972-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-27 | 1976-04-27 | 1976-10-27 | $7700.00 | Window Closed / Lapsed |