US3081828A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for producing cuts within a bore hole
Assignee: Individual
•
Filing: 1960-07-05
•
Granted: 1963-03-19
•
Expires: 1980-07-05
Abstract
No abstract record available.
Inventors
- 👤 Thomas E Quick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:48
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/11; E21B43/114; E21B29/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
A METHOD OF PRODUCING CUTS AT SUBSTANTIAL DEPTH WITHIN A BORE HOLE EXTENDING FROM THE SURFACE THROUGH FORMATIONS OF THE EARTH, INCLUDING DISCHARGING A PRESSURE FLUID CONTAINING AN ABRASIVE IN THE FORM OF A JET AT THE SITE OF THE CUT IN A DIRECTION LATERALLY OF THE AXIS OF THE BORE HOLE, REMOVING THE FLUID THROUGH THE BORE HOLE AT A VELOCITY TO ELEVATE THE ABRASIVE AND THOSE CUTTINGS THAT ARE OF A PARTICLE SIZE HAVING A SINKING RATE LESS THAN THE VELOCITY OF THE FLUID BEING REMOVED, AND DISCHARGING A SUPPLEMENTARY JET GENERALLY DOWNWARD INTO THE BORE HOLE BELOW SAID LATERAL JET TO BREAK UP DEBRIS RESULTING FROM THE CUTTING STEP TO A PARTICLE SIZE HAVING A SINKING RATE LESS THAN THE VELOCITY OF THE FLUID BEING REMOVED FROM THE BORE HOLE TO REMOVE THE DEBRIS THROUGH THE TOP OF THE BORE HOLE.
Claim 2
Independent Claim
144 words
A METHOD OF PRODUCING CUTS AT SUBSTANTIAL DEPTH WITHIN A BORE HOLE EXTENDING FROM THE SURFACE THROUGH FORMATIONS OF THE EARTH, INCLUDING DISCHARGING A PRESSURE FLUID CONTAINING AN ABRASIVE IN THE FORM OF A JET AT THE SITE OF THE CUT IN A DIRECTION LATERALLY OF THE AXIS OF THE BORE HOLE, REMOVING THE FLUID THROUGH THE BORE HOLE AT A VELOCITY TO ELEVATE THE ABRASIVE AND THOSE CUTTINGS THAT ARE OF A PARTICLE SIZE HAVING A SINKING RATE LESS THAN THE VELOCITY OF THE FLUID BEING REMOVED, AND DISCHARGING A SUPPLEMENTARY JET GENERALLY DOWNWARD INTO THE BORE HOLE BELOW SAID LATERAL JET TO BREAK UP DEBRIS RESULTING FROM THE CUTTING STEP TO A PARTICLE SIZE HAVING A SINKING RATE LESS THAN THE VELOCITY OF THE FLUID BEING REMOVED FROM THE BORE HOLE TO REMOVE THE DEBRIS THROUGH THE TOP OF THE BORE HOLE.
References Cited (Backward Citations)
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US2234454A
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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) | 1966-03-18 | 1966-09-17 | 1967-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-18 | 1970-09-17 | 1971-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-18 | 1974-09-17 | 1975-03-19 | $7700.00 | Window Closed / Lapsed |