US3126950A
Expired / Lapsed
US
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Assignee: —
•
Filing: —
•
Granted: 1964-03-31
•
Expires: 1981-03-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:01
CPC Classifications
E; E21; E21B; E21B33/00; E21B33/10; E21B33/12; E21B33/122; C; C09; C09K; C09K8/00; C09K8/50; C09K8/504; C09K8/5045; Y; Y10; Y10S; Y10S507/00; Y10S507/925; Y10S507/939
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
AN ARTICLE FOR USE IN A COMPLETION OPERATION ON A POTENTIALLY HYDROCARBON PRODUCING WELL COMPRISING A TUBULAR CASING MEMBER DISPOSED IN A WELL TRAVERSING A FORMATION, SAID CASING MEMBER HAVING PERFORMATIONS THEREIN OPPOSITE SAID FORMATION, SAID CASING MEMBER BEING SEALED AT THE BOTTOM THEREOF, SAID CASING MEMBER CONTAINING A SOLUTION CONSISTING ESSENTIALLY OF CACL2, ZNCL2 AND WATER HAVING A DENSITY OF ABOUT 11 TO 17 POUNDS PER GALLON IN CONTACT WITH THE INNER WALL OF SAID CASING MEMBER, SAID SOLUTION BEING RETAINED IN SAID CASING MEMBER BY SAID FORMATION.
Claim 2
Dependent Claim
89 words
AN ARTICLE FOR USE IN A COMPLETION OPERATION ON A POTENTIALLY HYDROCARBON PRODUCING WELL COMPRISING A TUBULAR CASING MEMBER DISPOSED IN A WELL TRAVERSING A FORMATION, SAID CASING MEMBER HAVING PERFORMATIONS THEREIN OPPOSITE SAID FORMATION, SAID CASING MEMBER BEING SEALED AT THE BOTTOM THEREOF, SAID CASING MEMBER CONTAINING A SOLUTION CONSISTING ESSENTIALLY OF CACL2, ZNCL2 AND WATER HAVING A DENSITY OF ABOUT 11 TO 17 POUNDS PER GALLON IN CONTACT WITH THE INNER WALL OF SAID CASING MEMBER, SAID SOLUTION BEING RETAINED IN SAID CASING MEMBER BY SAID FORMATION.
References Cited (Backward Citations)
US2044758A
Cited
US2073413A
Cited
US2649915A
Cited
US2905099A
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) | 1967-03-31 | 1967-09-30 | 1968-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-31 | 1971-09-30 | 1972-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-31 | 1975-09-30 | 1976-03-31 | $7700.00 | Window Closed / Lapsed |