Patent US2880802A successfully refreshed from Google Patents.
US2880802A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recovery of hydrocarbons from oil-bearing strata
Assignee: Phillips Petroleum Co
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Filing: 1955-03-28
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Granted: 1959-04-07
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Expires: 1975-03-28
Abstract
No abstract record available.
Inventors
- 👤 Paul G Carpenter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:41
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/25; E21B43/26; E21B43/267
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A PROCESS FOR FLUIDIZING AND DRIVING HYDROCARBONS FROM AN OIL BEARING FORMATION PENETRATED BY AN INPUT WELL AND AN OUTPUT WELL COMPRISING FORMING FRACTURES CONNECTING SAID WELLS; PROPPING SAID FRACTURES OPEN; INTRODUCING AND DEPOSITING A LIQUID FUEL SUBSTANTIALLY THRUOUT THE FRACTURES IN THE FRACTURED FORMATION; AND BURNING SAID FUEL THRUOUT SAID FRACTURES BY CONTACTING SAME WITH AIR AT IGNITION TEMPERATURES INJECTED THRU SAID INPUT WELL SO AS TO HEAT THE ADJACENT FORMATION ABOVE AND BELOW SAID FRACTURES, THEREBY RENDERING THE HYDROCARBONS THEREIN MORE FLUID AND DRIVING SAME INTO SAID OUTPUT WELL; AND RECOVERING PRODUCED HYDROCARBONS FROM SAID OUTPUT WELL.
Claim 2
Dependent Claim
99 words
A PROCESS FOR FLUIDIZING AND DRIVING HYDROCARBONS FROM AN OIL BEARING FORMATION PENETRATED BY AN INPUT WELL AND AN OUTPUT WELL COMPRISING FORMING FRACTURES CONNECTING SAID WELLS; PROPPING SAID FRACTURES OPEN; INTRODUCING AND DEPOSITING A LIQUID FUEL SUBSTANTIALLY THRUOUT THE FRACTURES IN THE FRACTURED FORMATION; AND BURNING SAID FUEL THRUOUT SAID FRACTURES BY CONTACTING SAME WITH AIR AT IGNITION TEMPERATURES INJECTED THRU SAID INPUT WELL SO AS TO HEAT THE ADJACENT FORMATION ABOVE AND BELOW SAID FRACTURES, THEREBY RENDERING THE HYDROCARBONS THEREIN MORE FLUID AND DRIVING SAME INTO SAID OUTPUT WELL; AND RECOVERING PRODUCED HYDROCARBONS FROM SAID OUTPUT WELL.
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) | 1962-04-06 | 1962-10-06 | 1963-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-06 | 1966-10-06 | 1967-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-06 | 1970-10-06 | 1971-04-07 | $7700.00 | Window Closed / Lapsed |