US3109501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Well drilling guide
Assignee: Individual
•
Filing: 1960-11-07
•
Granted: 1963-11-05
•
Expires: 1980-11-07
Abstract
No abstract record available.
Inventors
- 👤 James B Pugh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:28
CPC Classifications
E; E21; E21B; E21B17/00; E21B17/10; E21B17/1057; E21B17/1064; Y; Y10; Y10T; Y10T74/00; Y10T74/12; Y10T74/1218
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
175 words
A GYRO GUIDE FOR A DRILL STRING COMPRISING: A SHAFT PORTION ARRANGED FOR THREADED ENGAGEMENT IN A DRILL STRING AND COOPERATIVELY FORMING A LENGTH OF THE DRILL STRING, THERE BEING A BORE EXTENDING THROUGH SAID SHAFT PORTION ARRANGED TO PASS FLUID THERETHROUGH, A LOCK RING THREADEDLY ENGAGED ON SAID SHAFT PORTION ADJACENT EACH END THEREOF AND SECURED IN POSITION AGAINST DISENGAGEMENT, A ROTATABLE CASING SPACEDLY MOUNTED AROUND SAID SHAFT BETWEEN SAID LOCK RINGS, BEARING MEANS MOUNTED ON THE SHAFT PORTION ARRANGED TO PROVIDE SUPPORT FOR FREE ROTATION OF SAID CASING, A PLURALITY OF TURBINE BLADES INTERCONNECTED WITH THE CASING AND ARRANGED TO ROTATE SAID CASING UNDER INFLUENCE OF FLUID PASSING SAID BLADES INDEPENDENT OF DRILL STRING ROTATION, THERE BEING A BYPASS FROM THE BORE THROUGH SAID SHAFT AT EACH END THEREOF FOR PASSING A PORTION OF THE FLUID FROM ONE END OF THE SHAFT INTO THE TURBINE BLADES FOR ROTATING SAID CASING, AND RETURN THE FLUID INTO SAID BORE, AND SEAL MEANS BETWEEN SAID BEARINGS AND SAID LOCK RINGS TO PREVENT ESCAPE OF FLUID THEREFROM.
Claim 2
Dependent Claim
175 words
A GYRO GUIDE FOR A DRILL STRING COMPRISING: A SHAFT PORTION ARRANGED FOR THREADED ENGAGEMENT IN A DRILL STRING AND COOPERATIVELY FORMING A LENGTH OF THE DRILL STRING, THERE BEING A BORE EXTENDING THROUGH SAID SHAFT PORTION ARRANGED TO PASS FLUID THERETHROUGH, A LOCK RING THREADEDLY ENGAGED ON SAID SHAFT PORTION ADJACENT EACH END THEREOF AND SECURED IN POSITION AGAINST DISENGAGEMENT, A ROTATABLE CASING SPACEDLY MOUNTED AROUND SAID SHAFT BETWEEN SAID LOCK RINGS, BEARING MEANS MOUNTED ON THE SHAFT PORTION ARRANGED TO PROVIDE SUPPORT FOR FREE ROTATION OF SAID CASING, A PLURALITY OF TURBINE BLADES INTERCONNECTED WITH THE CASING AND ARRANGED TO ROTATE SAID CASING UNDER INFLUENCE OF FLUID PASSING SAID BLADES INDEPENDENT OF DRILL STRING ROTATION, THERE BEING A BYPASS FROM THE BORE THROUGH SAID SHAFT AT EACH END THEREOF FOR PASSING A PORTION OF THE FLUID FROM ONE END OF THE SHAFT INTO THE TURBINE BLADES FOR ROTATING SAID CASING, AND RETURN THE FLUID INTO SAID BORE, AND SEAL MEANS BETWEEN SAID BEARINGS AND SAID LOCK RINGS TO PREVENT ESCAPE OF FLUID THEREFROM.
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) | 1966-11-04 | 1967-05-06 | 1967-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-04 | 1971-05-06 | 1971-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-04 | 1975-05-06 | 1975-11-05 | $7700.00 | Window Closed / Lapsed |