US3364994A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil well treating method
Assignee: Individual
•
Filing: 1966-02-25
•
Granted: 1968-01-23
•
Expires: 1986-02-25
Abstract
No abstract record available.
Inventors
- 👤 Eugene L Sterrett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:45
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/60; C09K8/607
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
A METHOD FOR INCREASING THE FLOW OF OIL FROM A SUBTERRANEAN BED OF OIL BEARING SAND UTILIZING A FLOW OF WATER FROM A WATER SOURCE THROUGH THE SUBTERRANEAN BED TO A WITHDRAWAL WELL HAVING A CASING OF GIVEN VOLUME, SAID METHOD COMPRISING: CAUSING WATER TO FLOW THROUGH SAID SUBTERRANEAN BED TOWARD SAID WITHDRAWAL WELL WHILE PUMPING SAID WITHDRAWAL WELL UNTIL SUCH TIME AS A WATER CHANNEL DEVELOPS IN SAIID WITHDRAWAL WELL, INJECTING A GASEOUS CARRIER FLUID INTO SAID WATER CHANNEL FROM SAID WITHDRAWAL WELL IN AN AMOUNT WHICH PROVIDES A VOLUME OF GAS IN SAID WATER CHANNEL GENERALLY GREATER THAN THE CASING VOLUME OF SAID WITHDRAWAL WELL TO FORCE WATER OUT OF SAID CHANNEL TOWARD SAID WATER SOURCE, CAUSING A SURFACE ACTIVE AGENT TO BE DISPERSED THROUGHOUT SAID GASEOUS CARRIER FLUID FED TO SAID CHANNEL FOR DISTRIBUTION THROUGHOUT SAID CHANNEL, CAUSING SAID WITHDRAWAL WELL TO REST TO ALLOW OIL FLOW INTO THE CHANNEL, AND INITIATING A WATER DRIVE FROM SAID WATER SOURCE WHILE PUMPING SAID WITHDRAWAL WELL.
Claim 2
Independent Claim
167 words
A METHOD FOR INCREASING THE FLOW OF OIL FROM A SUBTERRANEAN BED OF OIL BEARING SAND UTILIZING A FLOW OF WATER FROM A WATER SOURCE THROUGH THE SUBTERRANEAN BED TO A WITHDRAWAL WELL HAVING A CASING OF GIVEN VOLUME, SAID METHOD COMPRISING: CAUSING WATER TO FLOW THROUGH SAID SUBTERRANEAN BED TOWARD SAID WITHDRAWAL WELL WHILE PUMPING SAID WITHDRAWAL WELL UNTIL SUCH TIME AS A WATER CHANNEL DEVELOPS IN SAIID WITHDRAWAL WELL, INJECTING A GASEOUS CARRIER FLUID INTO SAID WATER CHANNEL FROM SAID WITHDRAWAL WELL IN AN AMOUNT WHICH PROVIDES A VOLUME OF GAS IN SAID WATER CHANNEL GENERALLY GREATER THAN THE CASING VOLUME OF SAID WITHDRAWAL WELL TO FORCE WATER OUT OF SAID CHANNEL TOWARD SAID WATER SOURCE, CAUSING A SURFACE ACTIVE AGENT TO BE DISPERSED THROUGHOUT SAID GASEOUS CARRIER FLUID FED TO SAID CHANNEL FOR DISTRIBUTION THROUGHOUT SAID CHANNEL, CAUSING SAID WITHDRAWAL WELL TO REST TO ALLOW OIL FLOW INTO THE CHANNEL, AND INITIATING A WATER DRIVE FROM SAID WATER SOURCE WHILE PUMPING SAID WITHDRAWAL WELL.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-22 | 1971-07-24 | 1972-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-22 | 1975-07-24 | 1976-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-22 | 1979-07-24 | 1980-01-23 | $7700.00 | Window Closed / Lapsed |