US3118508A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drilling of off-vertical boreholes
Assignee: Jersey Production Research Co
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Filing: 1962-08-20
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Granted: 1964-01-21
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Expires: 1982-08-20
Abstract
No abstract record available.
Inventors
- 👤 Robert H Friedman
- 👤 Jr Leon H Robinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:17
CPC Classifications
E; E21; E21B; E21B7/00; E21B7/007; E21B7/04; E21B7/06; E21B7/061; E21B7/065
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
APPARATUS FOR OFF-VERTICAL DRILLING AT THE LOWER END OF A DRILL PIPE STRING HAVING LANDING MEANS AT SAID LOWER END, COMPRISING: AN ELONGATED HOUSING ADAPTED TO LAND IN THE LANDING MEANS; SHAPED JET EXPLOSIVE CHARGE MEANS ROTATABLY SUPPORTED IN ONE END OF SAID HOUSING FOR DIRECTING AN EXPLOSIVE JET ALONG A LINE OF FIRE FROM SAID ONE END; LEVELING MEANS IN SAID HOUSING CONNECTED TO SAID SHAPED CHARGE MEANS FOR URGING SAID SHAPED CHARGE MEANS TO A POSITION WHEREAT SAID LINE OF FIRE IS SUBSTANTIALLY HORIZONTAL; AND MEANS CONNECTED TO SAID SHAPED CHARGE MEANS FOR FIRING SAID SHAPED CHARGE MEANS WHEN SAID HOUSING IS LANDED IN THE LANDING MEANS.
Claim 2
Dependent Claim
109 words
APPARATUS FOR OFF-VERTICAL DRILLING AT THE LOWER END OF A DRILL PIPE STRING HAVING LANDING MEANS AT SAID LOWER END, COMPRISING: AN ELONGATED HOUSING ADAPTED TO LAND IN THE LANDING MEANS; SHAPED JET EXPLOSIVE CHARGE MEANS ROTATABLY SUPPORTED IN ONE END OF SAID HOUSING FOR DIRECTING AN EXPLOSIVE JET ALONG A LINE OF FIRE FROM SAID ONE END; LEVELING MEANS IN SAID HOUSING CONNECTED TO SAID SHAPED CHARGE MEANS FOR URGING SAID SHAPED CHARGE MEANS TO A POSITION WHEREAT SAID LINE OF FIRE IS SUBSTANTIALLY HORIZONTAL; AND MEANS CONNECTED TO SAID SHAPED CHARGE MEANS FOR FIRING SAID SHAPED CHARGE MEANS WHEN SAID HOUSING IS LANDED IN THE LANDING MEANS.
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) | 1967-01-20 | 1967-07-22 | 1968-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-20 | 1971-07-22 | 1972-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-20 | 1975-07-22 | 1976-01-21 | $7700.00 | Window Closed / Lapsed |