US3021277A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil base drilling and fracturing fluid
Assignee: Individual
•
Filing: 1957-12-23
•
Granted: 1962-02-13
•
Expires: 1977-12-23
Abstract
No abstract record available.
Inventors
- 👤 Raymond W Hoeppel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:38
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/60; C09K8/62; C09K8/64; C09K8/02; C09K8/32; C09K8/36; Y; Y10; Y10S; Y10S507/00; Y10S507/91; Y10S507/922
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
AN OIL BASE DRILLING AND FRACTURING FLUID CONSISTING ESSENTIALLY OF: AN OIL BASE; 0.5 TO 70 PERCENT BY WEIGHT OF AN AQUEOUS PHASE CONTAINING SUFFICIENT ALKALINE EARTH BASE DISSOLVED THEREIN TO RAISE THE PH OF THE AQUEOUS PHASE ABOVE 9;0.2 TO 5 PERCENT BY WEIGHT OF A POLYVALENTG METAL SOAP OF A MONOCARBOXYLIC FATTY ACIDCONTAINING AT LEAST 12 CARBON ATOMS; AND 0.05 TO 1.0 PERCENT BY WEIGHT OF A POLYVALENT METAL POLYMERIZED SOAP OF A POLYMERIZED MONOCARBOXYLIC FATTY ACID, SAID POLYMERIZED ACID CONTAINING AT LEAST TWO CARBOXYL GROUPS AND AT LEAST TWENTYFOUR CARBON ATOMS.
Claim 2
Dependent Claim
94 words
AN OIL BASE DRILLING AND FRACTURING FLUID CONSISTING ESSENTIALLY OF: AN OIL BASE; 0.5 TO 70 PERCENT BY WEIGHT OF AN AQUEOUS PHASE CONTAINING SUFFICIENT ALKALINE EARTH BASE DISSOLVED THEREIN TO RAISE THE PH OF THE AQUEOUS PHASE ABOVE 9;0.2 TO 5 PERCENT BY WEIGHT OF A POLYVALENTG METAL SOAP OF A MONOCARBOXYLIC FATTY ACIDCONTAINING AT LEAST 12 CARBON ATOMS; AND 0.05 TO 1.0 PERCENT BY WEIGHT OF A POLYVALENT METAL POLYMERIZED SOAP OF A POLYMERIZED MONOCARBOXYLIC FATTY ACID, SAID POLYMERIZED ACID CONTAINING AT LEAST TWO CARBOXYL GROUPS AND AT LEAST TWENTYFOUR CARBON ATOMS.
References Cited (Backward Citations)
US2099825A
Cited
US2702787A
Cited
US2754265A
Cited
US2793188A
Cited
US2793189A
Cited
US2862881A
Cited
US2793996A
Cited
US2779735A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-12 | 1965-08-14 | 1966-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-12 | 1969-08-14 | 1970-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-12 | 1973-08-14 | 1974-02-13 | $7700.00 | Window Closed / Lapsed |