US2667224A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Well completion process
Assignee: Stanolind Oil and Gas Co
•
Filing: 1949-06-29
•
Granted: 1954-01-26
•
Expires: 1969-06-29
Abstract
No abstract record available.
Inventors
- 👤 George C Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:03
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
58 words
A METHOD OF COMPLETING A WELL COMPRISING INTRODUCING INTO SAID WELL UNDER PRESSURE A HYDROCARBON FRACTURING LIQUID CONTAINING BETWEEN ABOUT 1/3 AND 1/2 BY WEIGHT OF A FINELY DIVIDED WATER-SOLUBLE SOLID AND BETWEEN ABOUT 1 AND ABOUT 3 PER CENT BLOWN ASPHALT, FRACTURING A FORMATION IN SAID WELL, AND THEREAFTER PRODUCING SAID WELL TO REMOVE SAID FRACTURING LIQUID.
Claim 2
Independent Claim
58 words
A METHOD OF COMPLETING A WELL COMPRISING INTRODUCING INTO SAID WELL UNDER PRESSURE A HYDROCARBON FRACTURING LIQUID CONTAINING BETWEEN ABOUT 1/3 AND 1/2 BY WEIGHT OF A FINELY DIVIDED WATER-SOLUBLE SOLID AND BETWEEN ABOUT 1 AND ABOUT 3 PER CENT BLOWN ASPHALT, FRACTURING A FORMATION IN SAID WELL, AND THEREAFTER PRODUCING SAID WELL TO REMOVE SAID FRACTURING LIQUID.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
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Cited
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Cited
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-25 | 1957-07-27 | 1958-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-25 | 1961-07-27 | 1962-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-25 | 1965-07-27 | 1966-01-26 | $7700.00 | Window Closed / Lapsed |