US3371713A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Submerged combustion in wells
Assignee: Pan American Petroleum Corp
•
Filing: 1966-07-25
•
Granted: 1968-03-05
•
Expires: 1986-07-25
Abstract
No abstract record available.
Inventors
- 👤 Silverman Daniel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:48
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/16; E21B43/24; E21B36/00; E21B36/02
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
113 words
A METHOD FOR STEAM FLOODING AN UNDERGROUND FORMATION PENETRATED BY A WELL COMPRISING: PROVIDING IN SAID A CONTAINER WITH A CLOSED BOTTOM, AT LEAST THE LOWER PORTION OF SAID CONTAINER BEING SUBSTANTIALLY IMPERMEABLE, PROVIDING A BURNER PLACED ENTIRELY WITHIN THE SUBSTANTIALLY IMPERMEABLE PORTION OF SAID CONTAINER, SUPPLYING A COMBUSTIBLE FLUID AND AN OXYGEN-CONTAINING GAS TO SAID BURNER, SAID FLUID AND GAS BEING SUPPLIED IN A COMBUSTIBLE RATIO, IGNITING THE COMBUSTIBLE MIXTURE IN THE BURNER, INTRODUCING INTO SAID CONTAINER WATER IN AN AMOUNT GREATER THAN THE AMOUNT EVAPORATED BY COMBUSTION OF SAID COMBUSTIBLE MIXTURE, AND MAINTAINING IN SAID WELL A PRESSURE SUFFICIENT TO FORCE THE RESULTING STEAM, WATER AND COMBUSTION PRODUCTS INTO SAID FORMATION.
Claim 2
Independent Claim
113 words
A METHOD FOR STEAM FLOODING AN UNDERGROUND FORMATION PENETRATED BY A WELL COMPRISING: PROVIDING IN SAID A CONTAINER WITH A CLOSED BOTTOM, AT LEAST THE LOWER PORTION OF SAID CONTAINER BEING SUBSTANTIALLY IMPERMEABLE, PROVIDING A BURNER PLACED ENTIRELY WITHIN THE SUBSTANTIALLY IMPERMEABLE PORTION OF SAID CONTAINER, SUPPLYING A COMBUSTIBLE FLUID AND AN OXYGEN-CONTAINING GAS TO SAID BURNER, SAID FLUID AND GAS BEING SUPPLIED IN A COMBUSTIBLE RATIO, IGNITING THE COMBUSTIBLE MIXTURE IN THE BURNER, INTRODUCING INTO SAID CONTAINER WATER IN AN AMOUNT GREATER THAN THE AMOUNT EVAPORATED BY COMBUSTION OF SAID COMBUSTIBLE MIXTURE, AND MAINTAINING IN SAID WELL A PRESSURE SUFFICIENT TO FORCE THE RESULTING STEAM, WATER AND COMBUSTION PRODUCTS INTO SAID FORMATION.
Claim 3
Dependent Claim
115 words
APPARATUS FOR GENERATING STEAM IN A WELL FOR STEAM FLOODING A FORMATION PENETRATED BY SAID WELL, SAID APPARTUS COMPRISING: A CONTAINER IN SAID WELL, AT LEAST THE BOTTOM PORTION OF SAID CONTAINER BEING SUBSTANTIALLY IMPERMEABLE, A BRUNER ENTIRELY WITHIN THE SUBSTANTIALLY IMPERMEABLE PORTION OF SAID CONTAINER, MEANS EXTENDING FROM THE TOP OF SAID WELL FOR SUPPLYING A COMBUSTIBLE FLUID AND AN OXYGEN-CONTAINING GAS TO SAID BURNER, MEANS EXTENDING FROM THE TOP OF SAID WELL FOR SUPPLYING MORE THAN SUFFICIENT WATER TO SAID CONTAINER TO MAINTAIN AT LEAST THE IMPERMEABLE PORTION OF SAID CONTAINER FULL WHEN SAID BURNER IS IN OPERATION, AND MEANS FOR IGNITING THE MIXTURE OF COMBUSTIBLE FLUID AND OXYGEN-CONTAINING GAS IN SAID BURNER.
Claim 4
Dependent Claim
115 words
APPARATUS FOR GENERATING STEAM IN A WELL FOR STEAM FLOODING A FORMATION PENETRATED BY SAID WELL, SAID APPARTUS COMPRISING: A CONTAINER IN SAID WELL, AT LEAST THE BOTTOM PORTION OF SAID CONTAINER BEING SUBSTANTIALLY IMPERMEABLE, A BRUNER ENTIRELY WITHIN THE SUBSTANTIALLY IMPERMEABLE PORTION OF SAID CONTAINER, MEANS EXTENDING FROM THE TOP OF SAID WELL FOR SUPPLYING A COMBUSTIBLE FLUID AND AN OXYGEN-CONTAINING GAS TO SAID BURNER, MEANS EXTENDING FROM THE TOP OF SAID WELL FOR SUPPLYING MORE THAN SUFFICIENT WATER TO SAID CONTAINER TO MAINTAIN AT LEAST THE IMPERMEABLE PORTION OF SAID CONTAINER FULL WHEN SAID BURNER IS IN OPERATION, AND MEANS FOR IGNITING THE MIXTURE OF COMBUSTIBLE FLUID AND OXYGEN-CONTAINING GAS IN SAID BURNER.
References Cited (Backward Citations)
US1584187A
Cited
US3004603A
Cited
US2973812A
Cited
US3070178A
Cited
US3225829A
Cited
US3223081A
Cited
US3292701A
Cited
US3254721A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-05 | 1971-09-04 | 1972-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-05 | 1975-09-04 | 1976-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-05 | 1979-09-04 | 1980-03-05 | $7700.00 | Window Closed / Lapsed |