US2982724A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic fluids for pressure treatment of oil bearing formation
Assignee: JBS USA LLC
•
Filing: 1956-05-08
•
Granted: 1961-05-02
•
Expires: 1976-05-08
Abstract
No abstract record available.
Inventors
- 👤 Gibson Paul
- 👤 Raymond W Starmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:53
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/60; C09K8/62; C09K8/64; Y; Y10; Y10S; Y10S507/00; Y10S507/922
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
A HYDRAULIC FLUID FOR HIGH PRESSURE TREATMENT OF OIL AND GAS BEARING FORMATIONS WHICH COMPRISES: A LIQUID HYDROCARBON GELLED WITH A GELLING AGENT COMPRISING AN ALKALI METAL SOAP OF ALIPHATIC, MONOCARBOXYLIC ACIDS HAVING A CHAIN LENGTH BETWEEN 14 AND 24; AN OIL-INERT, PROPPING AGENT SUSPENDED THEREIN, AND AT LEAST ONE PERCENT AND NOT MORE THAN 15% BY WEIGHT OF SAID ALIPHATIC ACIDS OF A GELLING AGENT IMPROVER SELECTED FROM THE GROUP CONSISTING OF, ALKALI METAL SALTS OF PETROLEUM SULFONATES, ALKALI METAL SALTS OF SULFATED FATTY ACIDS, AND FATTY ACID MONOESTERS OF POLYHYDRIC ALCOHOLS.
Claim 2
Dependent Claim
93 words
A HYDRAULIC FLUID FOR HIGH PRESSURE TREATMENT OF OIL AND GAS BEARING FORMATIONS WHICH COMPRISES: A LIQUID HYDROCARBON GELLED WITH A GELLING AGENT COMPRISING AN ALKALI METAL SOAP OF ALIPHATIC, MONOCARBOXYLIC ACIDS HAVING A CHAIN LENGTH BETWEEN 14 AND 24; AN OIL-INERT, PROPPING AGENT SUSPENDED THEREIN, AND AT LEAST ONE PERCENT AND NOT MORE THAN 15% BY WEIGHT OF SAID ALIPHATIC ACIDS OF A GELLING AGENT IMPROVER SELECTED FROM THE GROUP CONSISTING OF, ALKALI METAL SALTS OF PETROLEUM SULFONATES, ALKALI METAL SALTS OF SULFATED FATTY ACIDS, AND FATTY ACID MONOESTERS OF POLYHYDRIC ALCOHOLS.
References Cited (Backward Citations)
US2130664A
Cited
US2093863A
Cited
US2032826A
Cited
US2200495A
Cited
US2268234A
Cited
US2667457A
Cited
US2637703A
Cited
US2724439A
Cited
US2794779A
Cited
US2825409A
Cited
US2779735A
Cited
US2838116A
Cited
US2869643A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-01 | 1964-10-31 | 1965-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-01 | 1968-10-31 | 1969-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-01 | 1972-10-31 | 1973-05-02 | $7700.00 | Window Closed / Lapsed |