US3083765A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for conditioning bore holes
Assignee: Individual
•
Filing: 1960-10-28
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Granted: 1963-04-02
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Expires: 1980-10-28
Abstract
No abstract record available.
Inventors
- 👤 Archer W Kammerer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:29
CPC Classifications
E; E21; E21B; E21B29/00; E21B29/002; E21B29/005; E21B10/00; E21B10/26; E21B10/32; E21B10/322; E21B10/60; E21B33/00; E21B33/10; E21B33/13; E21B33/134
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
120 words
THE METHOD OF CONDITIONING A BORE HOLE, COMPRISING LOWERING CUTTING AND FLUID JETTING APPARATUS IN THE BORE HOLE ON A TUBULAR DRILL STRING, SAID APPARATUS BEING ADAPTED TO JET FLUID SUBSTANTIALLY RADIALLY OF THE BORE HOLE AND PREDOMINANTLY AGAINST THE WALL THEREOF, ROTATING THE DRILL STRING AND APPARATUS TO PERFORM A CUTTING OPERATION IN THE BORE HOLE AND TO EXPOSE THE WALL OF THE BORE HOLE TO A DESIRED LONGITUDINAL EXTENT, THEN PUMPING A FLUENT MATERIAL DOWN THE DRILL STRING AND JETTING THE FLUENT MATERIAL SUBSTANTIALLY RADIALLY AND PREDOMINANTLY AGAINST THE EXPOSED WALL OF THE BORE HOLE WHILE ROTATING THE DRILL STRING AND APPARATUS, AND ELEVATING THE DRILL STRING TO ELEVATE THE APPARATUS ALONG THE EXPOSED WALL OF THE BORE
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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) | 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 |