US3131146A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for increasing the productivity of a formation penetrated by a well
Assignee: Monsanto Chemicals Ltd
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Filing: 1957-09-13
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Granted: 1964-04-28
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Expires: 1977-09-13
Abstract
No abstract record available.
Inventors
- 👤 Edward J Griffith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:36
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/60; C09K8/62; C09K8/66; C09K8/665; E; E03; E03B; E03B3/00; E03B3/06; E03B3/08; E03B3/15; Y; Y10; Y10S; Y10S507/00; Y10S507/903; Y10S507/922
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A METHOD FOR INCREASING THE PRODUCTIVITY OF A FORMATION PENETRATED BY A WELL WHICH COMPRISES INTRODUCING A DISPERSION CONTAINING FROM ABOUT 0.5 TO 25% BY WEIGHT OF A CROSS-LINKED KURROL''S SALT IN WATER INTO A CONFINED ZONE OF SAID WELL ADJACENT SAID FORMATION, AND APPLYING A PRESSURE TO SAID AQUEOUS DISPERSION SUFFICIENT TO FRACTURE SAID FORMATION AND DISPLACE AT LEAST A PART OF SAID DISPERSION INTO SAID FORMATION.
Claim 2
Independent Claim
68 words
A METHOD FOR INCREASING THE PRODUCTIVITY OF A FORMATION PENETRATED BY A WELL WHICH COMPRISES INTRODUCING A DISPERSION CONTAINING FROM ABOUT 0.5 TO 25% BY WEIGHT OF A CROSS-LINKED KURROL''S SALT IN WATER INTO A CONFINED ZONE OF SAID WELL ADJACENT SAID FORMATION, AND APPLYING A PRESSURE TO SAID AQUEOUS DISPERSION SUFFICIENT TO FRACTURE SAID FORMATION AND DISPLACE AT LEAST A PART OF SAID DISPERSION INTO SAID FORMATION.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-28 | 1967-10-28 | 1968-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-28 | 1971-10-28 | 1972-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-28 | 1975-10-28 | 1976-04-28 | $7700.00 | Window Closed / Lapsed |