Patent US3155177A successfully refreshed from Google Patents.
US3155177A
Expired / Lapsed
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Hydraulic jet well under-reaming process
Assignee: Hydro Jet Services Inc
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Filing: 1959-12-23
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Granted: 1964-11-03
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Expires: 1979-12-23
Abstract
No abstract record available.
Inventors
- 👤 Fly Anderson Billy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:49
CPC Classifications
E; E21; E21B; E21B7/00; E21B7/18; E21B10/00; E21B10/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
A PROCESS FOR UNDER-REAMING A WELL COMPRISING THE STEPS OF CUTTING MATERIAL FROM AND IN THE GENERAL VICINITY OF SAID WELL AND BELOW THE GROUND SURFACE THEREOF BY A PLURALITY OF CONCURRENTLY OPERATING UNCONFINED JETS OF FLUID OF EQUAL AND OPPOSING REACTION WHILE ADMIXING SAID FLUID AND SAID RESULTANT CUTTINGS, THUS FORMING A FIRST ADMIXTURE, PASSING SAID FIRST ADMIXTURE TO A SECOND ZONE LOWER THAN THAT AT WHICH SAID CUTTING OCCURS, FEEDING SAID FIRST ADMIXTURE FROM SAID SECOND ZONE TO AN UPWARDLY DIRECTED JET THEREBY FORMING A SECOND ADMIXTURE, INCREASING AND DECREASING THE ENERGY OF SAID JET RESPONSIVE TO THE INCREASE AND DECREASE, RESPECTIVELY, OF THE SPECIFIC GRAVITY OF THE SECOND ADMIXTURE THEREABOVE, BY SHIFTING OF HIGH PRESSURE FLUID THERETO FROM AND THEREFROM TO SAID OPPOSING JETS AND
Claim 2
Dependent Claim
128 words
A PROCESS FOR UNDER-REAMING A WELL COMPRISING THE STEPS OF CUTTING MATERIAL FROM AND IN THE GENERAL VICINITY OF SAID WELL AND BELOW THE GROUND SURFACE THEREOF BY A PLURALITY OF CONCURRENTLY OPERATING UNCONFINED JETS OF FLUID OF EQUAL AND OPPOSING REACTION WHILE ADMIXING SAID FLUID AND SAID RESULTANT CUTTINGS, THUS FORMING A FIRST ADMIXTURE, PASSING SAID FIRST ADMIXTURE TO A SECOND ZONE LOWER THAN THAT AT WHICH SAID CUTTING OCCURS, FEEDING SAID FIRST ADMIXTURE FROM SAID SECOND ZONE TO AN UPWARDLY DIRECTED JET THEREBY FORMING A SECOND ADMIXTURE, INCREASING AND DECREASING THE ENERGY OF SAID JET RESPONSIVE TO THE INCREASE AND DECREASE, RESPECTIVELY, OF THE SPECIFIC GRAVITY OF THE SECOND ADMIXTURE THEREABOVE, BY SHIFTING OF HIGH PRESSURE FLUID THERETO FROM AND THEREFROM TO SAID OPPOSING JETS AND
References Cited (Backward Citations)
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Cited
US2210582A
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US2412765A
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US2518591A
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US2678203A
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GB696524A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-03 | 1968-05-04 | 1968-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-03 | 1972-05-04 | 1972-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-03 | 1976-05-04 | 1976-11-03 | $7700.00 | Window Closed / Lapsed |