US3145772A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature controlled in-situ combustion process
Assignee: Gulf Research and Development Co
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Filing: 1962-09-13
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Granted: 1964-08-25
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Expires: 1982-09-13
Abstract
No abstract record available.
Inventors
- 👤 Jimmie L Huitt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:22
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/16; E21B43/24; E21B43/243; E21B43/247
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
AN IN-SITU COMBUSTION PROCESS FOR EXTRACTING PETROLEUM FROM A PETROLIFEROUS SUBTERRANEAN FORMATION WHICH COMPRISES PROVIDING AN INPUT WELL PENETRATING THE FORMATION, PROVIDING AN OUTPUT WELL PENETRATING THE FORMATION, ISOLATING A RELATIVELY THIN SECTION OF THE FORMATION BY PRODUCING AT LEAST ONE PROPPED FRACTURE THAT PROVIDES A PATH OF LOW RESISTANCE COMMUNICATION BETWEEN SAID INPUT WELL AND SAID OUTPUT WELL. PROVIDING IN SAID INPUT WELL AN INDEPENDENT FLOW CHANNEL TO SAID FRACTURE, PACKING OFF SAID FRACTURE FROM SAID THIN SECTION OF FORMATION IN SAID INPUT WELL, INJECTING THROUGH SAID INPUT WELL COMBUSTION GAS INTO SAID ISOLATED THIN SECTION OF FORMATION, INITIATING AN IN-SITU COMBUSTION REACTION IN SAID THIN SECTION OF FORMATION, INJECTING INTO SAID FRACTURE THROUGH SAID INDEPENDENT FLOW CHANNEL OF SAID INPUT WELL INERTGAS OF CONTROLLED TEMPERATURE, AND EXTRACTING THROUGH SAID OUTPUT WELL SPENT COMBUSTION GAS AND PETROLEUM FROM SAID ISOLATED THING SECTION OF FORMATION.
Claim 2
Dependent Claim
145 words
AN IN-SITU COMBUSTION PROCESS FOR EXTRACTING PETROLEUM FROM A PETROLIFEROUS SUBTERRANEAN FORMATION WHICH COMPRISES PROVIDING AN INPUT WELL PENETRATING THE FORMATION, PROVIDING AN OUTPUT WELL PENETRATING THE FORMATION, ISOLATING A RELATIVELY THIN SECTION OF THE FORMATION BY PRODUCING AT LEAST ONE PROPPED FRACTURE THAT PROVIDES A PATH OF LOW RESISTANCE COMMUNICATION BETWEEN SAID INPUT WELL AND SAID OUTPUT WELL. PROVIDING IN SAID INPUT WELL AN INDEPENDENT FLOW CHANNEL TO SAID FRACTURE, PACKING OFF SAID FRACTURE FROM SAID THIN SECTION OF FORMATION IN SAID INPUT WELL, INJECTING THROUGH SAID INPUT WELL COMBUSTION GAS INTO SAID ISOLATED THIN SECTION OF FORMATION, INITIATING AN IN-SITU COMBUSTION REACTION IN SAID THIN SECTION OF FORMATION, INJECTING INTO SAID FRACTURE THROUGH SAID INDEPENDENT FLOW CHANNEL OF SAID INPUT WELL INERTGAS OF CONTROLLED TEMPERATURE, AND EXTRACTING THROUGH SAID OUTPUT WELL SPENT COMBUSTION GAS AND PETROLEUM FROM SAID ISOLATED THING SECTION OF FORMATION.
References Cited (Backward Citations)
US2734579A
Cited
US2901043A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-25 | 1968-02-24 | 1968-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-25 | 1972-02-24 | 1972-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-25 | 1976-02-24 | 1976-08-25 | $7700.00 | Window Closed / Lapsed |