Patent US3089182A successfully refreshed from Google Patents.
US3134435A
Expired / Lapsed
US
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Method for stabilizing an incompetent formation
Assignee: Gulf Research and Development Co
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Filing: 1960-12-27
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Granted: 1964-05-26
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Expires: 1980-12-27
Abstract
No abstract record available.
Inventors
- 👤 Malcolm R J Wyllie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:33
CPC Classifications
E; E21; E21B; E21B33/00; E21B33/10; E21B33/13; E21B33/138
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A METHOD FOR STABILIZING AN INCOMPETENT SUBTERRANEAN FORMATION CONTAINING HYDROCARBONS PENETRATED BY THE BOREHOLE OF A WELL COMPRISING DISPLACING A PYROPHORIC LIQUID FROM THE BOREHOLE OF A WELL INTO THE INCOMPETENT FORMATION, THEREAFTER DISPLACING A COKEABLE LIQUID FROM THE BOREHOLE OF THE WELL INTO THE INCOMPETENT FORMATION TO MOVE THE PYROPHORIC LIQUID RADIALLY OUTWARD INTO THE FORMATION, THEREAFTER DISPLACING AN OXYGEN-CONTAINING GAS FROM THE BOREHOLE OF THE WELL INTO THE INCOMPETENT FORMATION WHEREBY THE PYROPHORIC LIQUID IS IGNITED UPON CONTACT WITH THE OXYGEN-CONTAINING GAS AND REVERSE COMBUSTION OF THE COKABLE LIQUID IS COMMENCED CONTINUING THE INJECTION OF THE OXYGEN-CONTAINING GAS AT A RATE ADAPTED TO CONTINUE REVERSE COMBUSTION OF THE COKABLE LIQUID TOWARD THE BOREHOLDE OF THE WELL WHEREBY COKE IS FORMED TO STABILIZE THE INCOMPETENT FORMATION.
Claim 2
Independent Claim
127 words
A METHOD FOR STABILIZING AN INCOMPETENT SUBTERRANEAN FORMATION CONTAINING HYDROCARBONS PENETRATED BY THE BOREHOLE OF A WELL COMPRISING DISPLACING A PYROPHORIC LIQUID FROM THE BOREHOLE OF A WELL INTO THE INCOMPETENT FORMATION, THEREAFTER DISPLACING A COKEABLE LIQUID FROM THE BOREHOLE OF THE WELL INTO THE INCOMPETENT FORMATION TO MOVE THE PYROPHORIC LIQUID RADIALLY OUTWARD INTO THE FORMATION, THEREAFTER DISPLACING AN OXYGEN-CONTAINING GAS FROM THE BOREHOLE OF THE WELL INTO THE INCOMPETENT FORMATION WHEREBY THE PYROPHORIC LIQUID IS IGNITED UPON CONTACT WITH THE OXYGEN-CONTAINING GAS AND REVERSE COMBUSTION OF THE COKABLE LIQUID IS COMMENCED CONTINUING THE INJECTION OF THE OXYGEN-CONTAINING GAS AT A RATE ADAPTED TO CONTINUE REVERSE COMBUSTION OF THE COKABLE LIQUID TOWARD THE BOREHOLDE OF THE WELL WHEREBY COKE IS FORMED TO STABILIZE THE INCOMPETENT FORMATION.
References Cited (Backward Citations)
US2833516A
Cited
US2747672A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-26 | 1967-11-25 | 1968-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-26 | 1971-11-25 | 1972-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-26 | 1975-11-25 | 1976-05-26 | $7700.00 | Window Closed / Lapsed |