US3211243A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sonic drilling by rotating the tool
Assignee: Individual
•
Filing: 1960-06-08
•
Granted: 1965-10-12
•
Expires: 1980-06-08
Abstract
No abstract record available.
Inventors
- 👤 Jr Albert G Bodine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:16
CPC Classifications
E; E21; E21B; E21B7/00; E21B7/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
THE METHOD OF DRILLING, USING A SONIC DRILL HAVING A BIT VIBRATED IN THE DIRECTION OF THE MEDIUM TO BE DRILLED BY AN ELASTIC COLUMN SUSPENDED BY A DRILL STRING AND UNDER GOING RESONANT ELASTIC LONGITUDINAL STANDING WAVE VIBRATION, THAT COMPRISES: MAINTAINING THE BIT WITH BIAS FORCE AGAINST THE MEDIUM TO BE DRILLED, EFFECTING VIBRATION OF THE BIT BY CAUSING LONGITUDINAL STANDING WAVE VIBRATION OF SAID COLUMN AND SIMULTANEOUSLY THEREWITH ROTATING THE BIT AT AN ANGULAR VELOCITY THAT IMPROVES THE DRILLING RATE.
Claim 2
Independent Claim
82 words
THE METHOD OF DRILLING, USING A SONIC DRILL HAVING A BIT VIBRATED IN THE DIRECTION OF THE MEDIUM TO BE DRILLED BY AN ELASTIC COLUMN SUSPENDED BY A DRILL STRING AND UNDER GOING RESONANT ELASTIC LONGITUDINAL STANDING WAVE VIBRATION, THAT COMPRISES: MAINTAINING THE BIT WITH BIAS FORCE AGAINST THE MEDIUM TO BE DRILLED, EFFECTING VIBRATION OF THE BIT BY CAUSING LONGITUDINAL STANDING WAVE VIBRATION OF SAID COLUMN AND SIMULTANEOUSLY THEREWITH ROTATING THE BIT AT AN ANGULAR VELOCITY THAT IMPROVES THE DRILLING RATE.
References Cited (Backward Citations)
US1559709A
Cited
US1966446A
Cited
US2103137A
Cited
US2420793A
Cited
US2495364A
Cited
US2554005A
Cited
US2717763A
Cited
US2803433A
Cited
GB740468A
Cited
US2911192A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |