US3289760A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for cementing and conditioning bore holes
Assignee: Individual
•
Filing: 1964-02-10
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Granted: 1966-12-06
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Expires: 1984-02-10
Abstract
No abstract record available.
Inventors
- 👤 Archer W Kammerer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 02:07
CPC Classifications
E; E21; E21B; E21B33/00; E21B33/10; E21B33/13; E21B33/138; E21B33/134; E21B37/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
THE METHOD OF CONDITIONING A BORE HOLE HAVING A CONDUIT THEREIN, COMPRISING LOWERING CONDUIT CUTTING AND FLUID DISCHARGING APPARATUS IN THE BORE HOLE ON A TUBULAR DRILL STRING, ROTATING THE DRILL STRING AND APPARATUS TO CUT THE CONDUIT AWAY ALONG A DESIRED LENGTH IN THE BORE HOLE TO EXPOSE THE SURROUNDING WALL OF THE BORE HOLE, PUMPING CEMENTITIOUS MATERIAL DOWN THE DRILL STRING AND THROUGH THE APPARATUS LATERALLY AGAINST THE EXPOSED WALL OF THE WELL BORE WHILE ROTATING THE DRIL STRING AND APPARATUS, PUMPING FLUSHING FLUID THROUGH THE DRILL STRING AND APPARATUS TO CLEAR THE DRILL STRING AND APPARATUS OF CEMENTITIOUS MATERIAL, AND ROTATING AND LOWERING THE DRILL CEMENTIAND APPARATUS IN THE CONDUIT ABOVE THE EXPOSED BORE HOLE TO SCRAPE THE WALL OF THE CONDUIT.
Claim 2
Independent Claim
125 words
THE METHOD OF CONDITIONING A BORE HOLE HAVING A CONDUIT THEREIN, COMPRISING LOWERING CONDUIT CUTTING AND FLUID DISCHARGING APPARATUS IN THE BORE HOLE ON A TUBULAR DRILL STRING, ROTATING THE DRILL STRING AND APPARATUS TO CUT THE CONDUIT AWAY ALONG A DESIRED LENGTH IN THE BORE HOLE TO EXPOSE THE SURROUNDING WALL OF THE BORE HOLE, PUMPING CEMENTITIOUS MATERIAL DOWN THE DRILL STRING AND THROUGH THE APPARATUS LATERALLY AGAINST THE EXPOSED WALL OF THE WELL BORE WHILE ROTATING THE DRIL STRING AND APPARATUS, PUMPING FLUSHING FLUID THROUGH THE DRILL STRING AND APPARATUS TO CLEAR THE DRILL STRING AND APPARATUS OF CEMENTITIOUS MATERIAL, AND ROTATING AND LOWERING THE DRILL CEMENTIAND APPARATUS IN THE CONDUIT ABOVE THE EXPOSED BORE HOLE TO SCRAPE THE WALL OF THE CONDUIT.
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) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |