US3062282A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Initiation of in situ combustion in a carbonaceous stratum
Assignee: Phillips Petroleum Co
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Filing: 1958-01-24
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Granted: 1962-11-06
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Expires: 1978-01-24
Abstract
No abstract record available.
Inventors
- 👤 Arthur R Schleicher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:12
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/16; E21B43/24; E21B43/243
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A PROCESS FOR INITIATING IN SITU COMBUSTION IN A PERMEABLE STRATUM CONTAINING HYDROCARBON METERIAL WHICH FORMS A HIGHLY VISCOUS LIQUID UPON HEATING, WHICH COMPRISES HEATING A SECTION OF SAID STRATUM AROUND AN IGNITION BOREHOLE THEREIN TO AN ELEVATED TEMPERATURE BELOW THE IGNITION TEMPERATURE OF THE HYDROCARBON MATERIAL SO AS TO RENDER SAID MATERIAL MORE FLUID; PASSING A FLUSH ING FLUID THRU SAID SECTION BETWEEN SAID IGNITION BOREHOLE AND AN OFFSET BOREHOLE IN SAID STRATUM SO AS TO MOVE SAID VISCOUS LIQUID TO ONE OF SAID BOREHOLES; REMOVING THE FLUSHED OUT LIQUID; THEREAFTER INITIATING COMBUSTION IN SAID SECTION OF STRATUM AROUND SAID IGNITION BOREHOLE; AND FEEDING FREE OXYGEN TO THE RESULTING COMBUSTION ZONE SO AS TO DRIVE SAID ZONE OUTWARDLY FROM SAID BOREHOLE THRU AND STRATUM.
Claim 2
Dependent Claim
125 words
A PROCESS FOR INITIATING IN SITU COMBUSTION IN A PERMEABLE STRATUM CONTAINING HYDROCARBON METERIAL WHICH FORMS A HIGHLY VISCOUS LIQUID UPON HEATING, WHICH COMPRISES HEATING A SECTION OF SAID STRATUM AROUND AN IGNITION BOREHOLE THEREIN TO AN ELEVATED TEMPERATURE BELOW THE IGNITION TEMPERATURE OF THE HYDROCARBON MATERIAL SO AS TO RENDER SAID MATERIAL MORE FLUID; PASSING A FLUSH ING FLUID THRU SAID SECTION BETWEEN SAID IGNITION BOREHOLE AND AN OFFSET BOREHOLE IN SAID STRATUM SO AS TO MOVE SAID VISCOUS LIQUID TO ONE OF SAID BOREHOLES; REMOVING THE FLUSHED OUT LIQUID; THEREAFTER INITIATING COMBUSTION IN SAID SECTION OF STRATUM AROUND SAID IGNITION BOREHOLE; AND FEEDING FREE OXYGEN TO THE RESULTING COMBUSTION ZONE SO AS TO DRIVE SAID ZONE OUTWARDLY FROM SAID BOREHOLE THRU AND STRATUM.
References Cited (Backward Citations)
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Cited
US2300348A
Cited
US2584606A
Cited
US2670047A
Cited
US2793696A
Cited
US2906337A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-05 | 1966-05-07 | 1966-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-05 | 1970-05-07 | 1970-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-05 | 1974-05-07 | 1974-11-06 | $7700.00 | Window Closed / Lapsed |