US3186484A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hot water flood system for oil wells
Assignee: Individual
•
Filing: 1962-03-16
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Granted: 1965-06-01
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Expires: 1982-03-16
Abstract
No abstract record available.
Inventors
- 👤 Russell R Waterman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:01
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/16; E21B43/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A HOT FLOOD WATER DRIVE SYSTEM FOR THE SECONDARY RECOVER OF OIL FROM PRODUCING STRATA COMPRISING A PRODUCTION WELL EXTENDING INTO THE STRATA HAVING A PUMP LINE EXTENDING THEREFROM, A PRESSURE SEALED FLOOD WELL EXTENDING INTO THE STRATA AND A HOT FLOOD WATER PRESSURE LINE EXTENDING INTO THE FLOOD WELL, SAID PRESSURE LINE COMPRISING A PIPE EXTENDING FROM THE SURFACE TO NEAR THE STRATA, A SOURCE OF SUPPLY OF STEAM, A SUPPLY OF FLOOD WATER, A FLOOD WATER PUMP CONNECTED TO SAID SUPPLY OF FLOOD WATER AND A STEM POWERED ACTUATOR FOR SAID PUMP, A STEAM SUPPLY LINE CONNECTED BETWEEN SAID SOURCE OF SUPPLY OF STEAM AND SAID ACTUATOR, A HEAT EXCHANGER HAVING A WATER
Claim 2
Dependent Claim
115 words
A HOT FLOOD WATER DRIVE SYSTEM FOR THE SECONDARY RECOVER OF OIL FROM PRODUCING STRATA COMPRISING A PRODUCTION WELL EXTENDING INTO THE STRATA HAVING A PUMP LINE EXTENDING THEREFROM, A PRESSURE SEALED FLOOD WELL EXTENDING INTO THE STRATA AND A HOT FLOOD WATER PRESSURE LINE EXTENDING INTO THE FLOOD WELL, SAID PRESSURE LINE COMPRISING A PIPE EXTENDING FROM THE SURFACE TO NEAR THE STRATA, A SOURCE OF SUPPLY OF STEAM, A SUPPLY OF FLOOD WATER, A FLOOD WATER PUMP CONNECTED TO SAID SUPPLY OF FLOOD WATER AND A STEM POWERED ACTUATOR FOR SAID PUMP, A STEAM SUPPLY LINE CONNECTED BETWEEN SAID SOURCE OF SUPPLY OF STEAM AND SAID ACTUATOR, A HEAT EXCHANGER HAVING A WATER
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) | 1968-05-31 | 1968-11-30 | 1969-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-31 | 1972-11-30 | 1973-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-31 | 1976-11-30 | 1977-06-01 | $7700.00 | Window Closed / Lapsed |