US3072186A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recovery of hydrocarbons by in situ combustion
Assignee: Phillips Petroleum Co
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Filing: 1958-08-11
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Granted: 1963-01-08
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Expires: 1978-08-11
Abstract
No abstract record available.
Inventors
- 👤 Harry W Parker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:21
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/16; E21B43/24; E21B43/243
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A PROCESS FOR PRODUCING HYDROCARBONS FROM AN UNDEPLETED CARBONACEOUS STRATUM COMPRISING IGNITING SAID STRATUM AROUND A PRODUCTION WELL THEREIN, THEREBY ESTABLISHING A COMBUSTION ZONE ADJACENT SAID WELL; FORMING A COMBUSTIBLE MIXTURE OF O2-CONTAINING GAS AND A GASEOUS FUEL HAVING AN IGNITION POINT BELOW ABOUT 400*F., SAID O2 BEING IN SUBSTANTIAL STOICHIOMETRIC EXCESS RELATIVE TO SAID FUEL GAS; INTRODUCING SAID MIXTURE TO AT LEAST ONE AREA OF SAID STRATUM SPACED APART FROM SAID PRODUCTION WELL; PASSING SAID MIXTURE INTO SAID COMBUSTION ZONE SO AS TO BURN SAID FUEL IN THE LEADING EDGE THEREOF AND MOVE SAID ZONE THRU SAID STRATUM COUNTERCURRENTLY TO THE FLOW OF SAID MIXTURE, THEREBY PRODUCING HYDROCARBONS FROM SAID STRATUM; AND RECOVERING THE PRODUCED HYDROCARBONS.
Claim 2
Dependent Claim
117 words
A PROCESS FOR PRODUCING HYDROCARBONS FROM AN UNDEPLETED CARBONACEOUS STRATUM COMPRISING IGNITING SAID STRATUM AROUND A PRODUCTION WELL THEREIN, THEREBY ESTABLISHING A COMBUSTION ZONE ADJACENT SAID WELL; FORMING A COMBUSTIBLE MIXTURE OF O2-CONTAINING GAS AND A GASEOUS FUEL HAVING AN IGNITION POINT BELOW ABOUT 400*F., SAID O2 BEING IN SUBSTANTIAL STOICHIOMETRIC EXCESS RELATIVE TO SAID FUEL GAS; INTRODUCING SAID MIXTURE TO AT LEAST ONE AREA OF SAID STRATUM SPACED APART FROM SAID PRODUCTION WELL; PASSING SAID MIXTURE INTO SAID COMBUSTION ZONE SO AS TO BURN SAID FUEL IN THE LEADING EDGE THEREOF AND MOVE SAID ZONE THRU SAID STRATUM COUNTERCURRENTLY TO THE FLOW OF SAID MIXTURE, THEREBY PRODUCING HYDROCARBONS FROM SAID STRATUM; AND RECOVERING THE PRODUCED HYDROCARBONS.
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) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |