US2596844A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of wells
Assignee: Stanolind Oil and Gas Co
•
Filing: 1949-12-31
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Granted: 1952-05-13
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Expires: 1969-12-31
Abstract
No abstract record available.
Inventors
- 👤 Joseph B Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:07
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
150 words
A METHOD OF INCREASING THE PRODUCTIVITY OF A FORMATION PENETRATED BY A WELL THROUGH FRACTURING THE FORMATION, WHICH COMPRISES INTRODUCING INTO SAID WELL A FRACTURING MEDIUM CONTAINING AS ESSENTIAL CONSTITUENTS A LOW-VISCOSITY HYDROCARBON LIQUID AND A HYDROXY ALUMINUM SOAP GEL-FORMING MATERIAL, SAID SOAP BEING IN SUFFICIENT AMOUNT WHEN MIXED WITH SAID LIQUID TO PRODUCE A FRACTURING MEDIUM POSSESSING A VISCOSITY OF AT LEAST ABOUT 200 CENTIPOISES, PUMPING SAID FRACTURIN MEDIUM INTO A CONFINED ZONE IN SAID WELL ADJACENT AND FORMATION, PUMPIN ADDITIONAL LIQID INTO SAID WELL AFTER SAID FRACTURING MEDIUM, UNTIL A FRACTRE IN SAID FORMATION IS INDICATED SAID ADDITIONAL LIQUID INCLUDING A GEL BREAKER FOR SAID FRACTURING MEDIUM, CONTINUING PUMPING LIQUID INTO SAID WELL TO DISPLACE AT LEAST PART OF SAID FRACTURING MEDIUM AND AT LEAST PART OF SAID GEL BREAKER INTO SAID FRACTURE, WHEREBY THE VISCOSITY OF SAID FRACTURING MEDIUM IS SUBSTANTIALLY REDUCED, AND THEREAFTER PRODUCING SAID WELL.
Claim 2
Independent Claim
150 words
A METHOD OF INCREASING THE PRODUCTIVITY OF A FORMATION PENETRATED BY A WELL THROUGH FRACTURING THE FORMATION, WHICH COMPRISES INTRODUCING INTO SAID WELL A FRACTURING MEDIUM CONTAINING AS ESSENTIAL CONSTITUENTS A LOW-VISCOSITY HYDROCARBON LIQUID AND A HYDROXY ALUMINUM SOAP GEL-FORMING MATERIAL, SAID SOAP BEING IN SUFFICIENT AMOUNT WHEN MIXED WITH SAID LIQUID TO PRODUCE A FRACTURING MEDIUM POSSESSING A VISCOSITY OF AT LEAST ABOUT 200 CENTIPOISES, PUMPING SAID FRACTURIN MEDIUM INTO A CONFINED ZONE IN SAID WELL ADJACENT AND FORMATION, PUMPIN ADDITIONAL LIQID INTO SAID WELL AFTER SAID FRACTURING MEDIUM, UNTIL A FRACTRE IN SAID FORMATION IS INDICATED SAID ADDITIONAL LIQUID INCLUDING A GEL BREAKER FOR SAID FRACTURING MEDIUM, CONTINUING PUMPING LIQUID INTO SAID WELL TO DISPLACE AT LEAST PART OF SAID FRACTURING MEDIUM AND AT LEAST PART OF SAID GEL BREAKER INTO SAID FRACTURE, WHEREBY THE VISCOSITY OF SAID FRACTURING MEDIUM IS SUBSTANTIALLY REDUCED, AND THEREAFTER PRODUCING SAID 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) | 1955-05-13 | 1955-11-12 | 1956-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-13 | 1959-11-12 | 1960-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-13 | 1963-11-12 | 1964-05-13 | $7700.00 | Window Closed / Lapsed |