US3079336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alcohols in conjunction with water thickeners for a secondary recovery process
Assignee: Jersey Production Research Co
•
Filing: 1960-03-22
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Granted: 1963-02-26
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Expires: 1980-03-22
Abstract
No abstract record available.
Inventors
- 👤 Paul L Stright
- 👤 Albin F Turbak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:51
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/58; C09K8/588; Y; Y10; Y10S; Y10S507/00; Y10S507/935; Y10S507/936
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
AN IMPROVED PROCESS FOR RECOVERING OIL FROM AN OIL RESERVOIR WHICH COMPRISES FLOWING THROUGH SAID RESERVOIR FROM AN INPUT WELL TOWARD AN OUTPUT WELL A FLOOD WATER WHICH HAS BEEN INCREASED IN VISCOSITY BY INCORPORATING THEREIN FROM ABOUT 1/10 TO 1% OF AN ORGANIC THICKENING COMPOUND HAVING A MOLECULAR WEIGHT IN THE RANGE FROM ABOUT 200,000 TO 5,000,000 AND FROM ABOUT 1/10 TO 5% OF AN ALIPHATIC ALCOHOL HAVING 1 TO 6 CARBON ATOMS PER MOLECULE, SAID ORGANIC THICKENING COMPOUND BEING SELECTED FROM THE GROUP CONSISTING OF (1) A COPOLYMER OF MALEIC ANHYDRIDE AND A VINYL AROMATIC, (2) A COPOLYMER OF ACRYLIC ACID AND A LOW MOLECULAR WEIGHT OLEFIN, (3) A COPOLYMER OF ACRYLIC ACID AND A VINYL AROMATIC, (4) A SULFONATED POLYVINYL AROMATIC, (5) A POLYMER OF ETHYLENE OXIDE, AND (6) POLYACRYLIC ACID.
Claim 2
Dependent Claim
134 words
AN IMPROVED PROCESS FOR RECOVERING OIL FROM AN OIL RESERVOIR WHICH COMPRISES FLOWING THROUGH SAID RESERVOIR FROM AN INPUT WELL TOWARD AN OUTPUT WELL A FLOOD WATER WHICH HAS BEEN INCREASED IN VISCOSITY BY INCORPORATING THEREIN FROM ABOUT 1/10 TO 1% OF AN ORGANIC THICKENING COMPOUND HAVING A MOLECULAR WEIGHT IN THE RANGE FROM ABOUT 200,000 TO 5,000,000 AND FROM ABOUT 1/10 TO 5% OF AN ALIPHATIC ALCOHOL HAVING 1 TO 6 CARBON ATOMS PER MOLECULE, SAID ORGANIC THICKENING COMPOUND BEING SELECTED FROM THE GROUP CONSISTING OF (1) A COPOLYMER OF MALEIC ANHYDRIDE AND A VINYL AROMATIC, (2) A COPOLYMER OF ACRYLIC ACID AND A LOW MOLECULAR WEIGHT OLEFIN, (3) A COPOLYMER OF ACRYLIC ACID AND A VINYL AROMATIC, (4) A SULFONATED POLYVINYL AROMATIC, (5) A POLYMER OF ETHYLENE OXIDE, AND (6) POLYACRYLIC ACID.
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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) | 1966-02-25 | 1966-08-27 | 1967-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-25 | 1970-08-27 | 1971-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-25 | 1974-08-27 | 1975-02-26 | $7700.00 | Window Closed / Lapsed |