US3227228A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary drilling and borehole coring apparatus and method
Assignee: Individual
•
Filing: 1963-05-24
•
Granted: 1966-01-04
•
Expires: 1983-05-24
Abstract
No abstract record available.
Inventors
- 👤 Clyde E Bannister
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:15
CPC Classifications
E; E21; E21B; E21B49/00; E21B49/02; E21B49/04
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
84 words
A WELL DRILLING AND CORE SAMPLING MECHANISM, COMPRISING, A ROTARY RIG INCLUDING A DRILL STRING HAVING A CUTTING BIT AND DRILL COLLARS AT ONE END, A CORING COLLAR IN SAID DRILL STRING HAVING MOUNTED THEREIN A PLURALITY OF SAMPLE-TAKING DEVICES AND MEANS FOR FIRING SAID DEVICES, SAID FIRING MEANS COMPRISING A RECEIVING MEANS RESPONSIVE TO TRANSMISSION OF WAVE ENERGY FROM A REMOTE SOURCE TO SELECTIVELY FIRE SAID DEVICES, SOURCE MEANS TO BE DISPOSED AT A REMOTE LOCATION FOR PROVIDING TRANSMISSION OF SAID WAVE ENERGY.
Claim 2
Dependent Claim
84 words
A WELL DRILLING AND CORE SAMPLING MECHANISM, COMPRISING, A ROTARY RIG INCLUDING A DRILL STRING HAVING A CUTTING BIT AND DRILL COLLARS AT ONE END, A CORING COLLAR IN SAID DRILL STRING HAVING MOUNTED THEREIN A PLURALITY OF SAMPLE-TAKING DEVICES AND MEANS FOR FIRING SAID DEVICES, SAID FIRING MEANS COMPRISING A RECEIVING MEANS RESPONSIVE TO TRANSMISSION OF WAVE ENERGY FROM A REMOTE SOURCE TO SELECTIVELY FIRE SAID DEVICES, SOURCE MEANS TO BE DISPOSED AT A REMOTE LOCATION FOR PROVIDING TRANSMISSION OF SAID WAVE ENERGY.
Claim 3
Independent Claim
60 words
A METHOD OF TAKING SAMPLES FROM A BOREHOLE WALL, COMPRISING THE STEPS OF, INSERTING A UNIT HAVING A NUMBER OF CORING DEVICES IN THE DRILL STRING OF A ROTARY RIG, DISPOSING SAID DRILL STRING IN THE BOREHOLE, COMMENCING DRILLING IN SAID BOREHOLE, INITIATING OPERATION OF THE CORE DEVICES AT DESIRED LEVELS BY CONTROLLED WAVE ENERGY TRANSMISSION FROM A REMOTE LOCATION.
Claim 4
Independent Claim
60 words
A METHOD OF TAKING SAMPLES FROM A BOREHOLE WALL, COMPRISING THE STEPS OF, INSERTING A UNIT HAVING A NUMBER OF CORING DEVICES IN THE DRILL STRING OF A ROTARY RIG, DISPOSING SAID DRILL STRING IN THE BOREHOLE, COMMENCING DRILLING IN SAID BOREHOLE, INITIATING OPERATION OF THE CORE DEVICES AT DESIRED LEVELS BY CONTROLLED WAVE ENERGY TRANSMISSION FROM A REMOTE LOCATION.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |