US3224513A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for downhole drilling
Assignee: Individual
•
Filing: 1962-11-07
•
Granted: 1965-12-21
•
Expires: 1982-11-07
Abstract
No abstract record available.
Inventors
- 👤 Jr Frank G Weeden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:16
CPC Classifications
E; E21; E21B; E21B7/00; E21B7/04; E21B4/00; E21B4/04; Y; Y10; Y10T; Y10T74/00; Y10T74/12; Y10T74/1218; Y10T74/1221; Y10T74/1225
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A METHOD FOR DRILLING A WELL BORE AND REGULATING THE INCLINATION THEREOF, WHICH METHOD COMPRISES PROVIDING A DRILLING TOOL COMPRISING A SUPPORTING STRUCTURE HAVING A CUTTING TOOL ROTATABLY MOUNTED THEREON AND CONTAINING A PLURALITY OF INERTIAL ROTORS ARRANGED TO PERMIT UPON ROTATION OF THE ROTORS ESTABLISHMENT OF A GYROSCOPIC EFFECT IN OPPOSITION TO TORQUE RESULTING FROM ROTATION OF SAID CUTTING TOOL DURING DRILLING AND TO PERMIT UPON ROTATION OF THE ROTORS CANCELLATION OF FORCES OF PRECESSION DEVELOPED DURING DRILLING: ACTUATING SAID DRILLING TOOL TO DRILL SAID WELL BORE; ACTUATING SAID INERTIAR ROTORS TO ESTABLISH A GYROSCOPIC EFFECT IN OPPOSITION TO TORQUE RESULTING FROM ROTATION OF SAID CUTTING TOOL DURING DRILLING; AND CONTROL-
Claim 2
Independent Claim
112 words
A METHOD FOR DRILLING A WELL BORE AND REGULATING THE INCLINATION THEREOF, WHICH METHOD COMPRISES PROVIDING A DRILLING TOOL COMPRISING A SUPPORTING STRUCTURE HAVING A CUTTING TOOL ROTATABLY MOUNTED THEREON AND CONTAINING A PLURALITY OF INERTIAL ROTORS ARRANGED TO PERMIT UPON ROTATION OF THE ROTORS ESTABLISHMENT OF A GYROSCOPIC EFFECT IN OPPOSITION TO TORQUE RESULTING FROM ROTATION OF SAID CUTTING TOOL DURING DRILLING AND TO PERMIT UPON ROTATION OF THE ROTORS CANCELLATION OF FORCES OF PRECESSION DEVELOPED DURING DRILLING: ACTUATING SAID DRILLING TOOL TO DRILL SAID WELL BORE; ACTUATING SAID INERTIAR ROTORS TO ESTABLISH A GYROSCOPIC EFFECT IN OPPOSITION TO TORQUE RESULTING FROM ROTATION OF SAID CUTTING TOOL DURING DRILLING; AND CONTROL-
References Cited (Backward Citations)
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Cited
US2245750A
Cited
US2355342A
Cited
US2448905A
Cited
US2697457A
Cited
US3006197A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |