US3044545A
Expired / Lapsed
US
⏱️ 0.0 years remaining
In situ combustion process
Assignee: Phillips Petroleum Co
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Filing: 1958-10-02
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Granted: 1962-07-17
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Expires: 1978-10-02
Abstract
No abstract record available.
Inventors
- 👤 James W Tooke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:41
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/16; E21B43/24; E21B43/243
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A PROCESS FOR PRODUCING HYDROCAARBONS FROM A PERMEABLE CARBONACEOUS STRATUM WHICH COMPRISES INJECTING A FIRST GAS SELECTED FROM HE GROUP CONSISTING OF O2-CONTAINING GAS AND MIXTURE OF SAME WITH STEAM INTO A FIRST SECTION OF SAID STRATUM THRU WHICH AN INVERSELY BURNING COMBIUSTION ZONE HAS BEEN PASSED, LEAVING HOT COKE IN SAME AT COMBUSTION SUPPORTING TEMPERATURE, WHILE SAID FIRST SECTION IS AT SAID TEMPERATURE TO PRODUCE FUEL GAS BY REACTION OF SAID FIRST GAS WITH SAID COKE, SAID GAS BEING INJECTED THRU A FIRST INJECTION WELL IN SAID FIRST SECTION AND SAID FUEL GAS BEING PRODUCED THRU A PRODUCTION
Claim 2
Dependent Claim
99 words
A PROCESS FOR PRODUCING HYDROCAARBONS FROM A PERMEABLE CARBONACEOUS STRATUM WHICH COMPRISES INJECTING A FIRST GAS SELECTED FROM HE GROUP CONSISTING OF O2-CONTAINING GAS AND MIXTURE OF SAME WITH STEAM INTO A FIRST SECTION OF SAID STRATUM THRU WHICH AN INVERSELY BURNING COMBIUSTION ZONE HAS BEEN PASSED, LEAVING HOT COKE IN SAME AT COMBUSTION SUPPORTING TEMPERATURE, WHILE SAID FIRST SECTION IS AT SAID TEMPERATURE TO PRODUCE FUEL GAS BY REACTION OF SAID FIRST GAS WITH SAID COKE, SAID GAS BEING INJECTED THRU A FIRST INJECTION WELL IN SAID FIRST SECTION AND SAID FUEL GAS BEING PRODUCED THRU A PRODUCTION
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) | 1965-07-16 | 1966-01-15 | 1966-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-16 | 1970-01-15 | 1970-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-16 | 1974-01-15 | 1974-07-17 | $7700.00 | Window Closed / Lapsed |