US3083779A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas turbine drive drilling apparatus
Assignee: Jersey Production Research Co
•
Filing: 1959-02-06
•
Granted: 1963-04-02
•
Expires: 1979-02-06
Abstract
No abstract record available.
Inventors
- 👤 David S Rowley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:31
CPC Classifications
E; E21; E21B; E21B4/00; E21B4/006; E21B4/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
A GAS TURBINE DRILL ASSEMBLY HAVING ABIT ASSEMBLY COMPRISING IN COMBINATION A TWO-CHANNEL DRILL STRING, A TURBINE HOUSING ADAPTED TO BE SUPPORTED FROM THE LOWER END OF SAID DRILL STRING, A COMBUSTION CHAMBER SUPPORTED WITHIN SAID HOUSING, MEANS FOR CONDUCTING A COMBUSTIBLE MIXTURE THROUGH ONE CHANNEL OF SAID DRILL STRING TO SAID COMBUSTION CHAMBER, HOT GAS CASING ADAPTED TO RECEIVE HOT GASES FROM SAID COMBUSTION CHAMBER, A TURBINE SECTION SUPPORTED WITHIN SAID HOT GAS CASING AND ADAPTED TO BE DRIVEN BY THE HOT GASES WITH SAID TURBINE SECTION BEING FURTHER CHARACTERIZED BY HAVING A HOLLOW TURBINE SHAFT, MEANS FOR DISCHARGING THE TURBINE SECTION EXHAUST EXTERIOR OF SAID HOUSING, REDUCTION GEAR MEANS FOR CONNECTING SAID TURBINE SHAFT TO THE BIT ASSEMBLY, SAID BIT ASSEMBLY BEING CHARACTERIZED BY HAVING PORT MEANS THEREIN, CONDUIT MEANS WITHIN SAID HOUSING ESTABLISHING FLUID COMMUNICA-
Claim 2
Dependent Claim
138 words
A GAS TURBINE DRILL ASSEMBLY HAVING ABIT ASSEMBLY COMPRISING IN COMBINATION A TWO-CHANNEL DRILL STRING, A TURBINE HOUSING ADAPTED TO BE SUPPORTED FROM THE LOWER END OF SAID DRILL STRING, A COMBUSTION CHAMBER SUPPORTED WITHIN SAID HOUSING, MEANS FOR CONDUCTING A COMBUSTIBLE MIXTURE THROUGH ONE CHANNEL OF SAID DRILL STRING TO SAID COMBUSTION CHAMBER, HOT GAS CASING ADAPTED TO RECEIVE HOT GASES FROM SAID COMBUSTION CHAMBER, A TURBINE SECTION SUPPORTED WITHIN SAID HOT GAS CASING AND ADAPTED TO BE DRIVEN BY THE HOT GASES WITH SAID TURBINE SECTION BEING FURTHER CHARACTERIZED BY HAVING A HOLLOW TURBINE SHAFT, MEANS FOR DISCHARGING THE TURBINE SECTION EXHAUST EXTERIOR OF SAID HOUSING, REDUCTION GEAR MEANS FOR CONNECTING SAID TURBINE SHAFT TO THE BIT ASSEMBLY, SAID BIT ASSEMBLY BEING CHARACTERIZED BY HAVING PORT MEANS THEREIN, CONDUIT MEANS WITHIN SAID HOUSING ESTABLISHING FLUID COMMUNICA-
References Cited (Backward Citations)
US2371248A
Cited
US1745567A
Cited
US1727276A
Cited
US1790460A
Cited
US2663545A
Cited
US2715813A
Cited
US2828945A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-01 | 1966-10-01 | 1967-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-01 | 1970-10-01 | 1971-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-01 | 1974-10-01 | 1975-04-02 | $7700.00 | Window Closed / Lapsed |