US3041276A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and composition for use in wells
Assignee: Jersey Production Research Co
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Filing: 1959-09-08
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Granted: 1962-06-26
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Expires: 1979-09-08
Abstract
No abstract record available.
Inventors
- 👤 Patrick H Monaghan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:15
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/02; C09K8/04; C09K8/14; C09K8/18; C09K8/20; C09K8/203
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A COMPOSITION FOR USE IN WELLS CONSISTING OF A CLAYFREE AQUEOUS SUSPENSION CONTAINING FROM ABOUT 3 TO ABOUT 8 PARTS OF SPEISS PER PART OF WATER AND HAVING A WEIGHT IN THE RANGE FROM ABOUT 19 TO ABOUT 32 POUNDS PER GALLON, SAID SUSPENSION CONTAINING FROM ABOUT 1 TO ABOUT 8 POUNDS OF FERROCHROME LIGNOSULFONATE PER BARREL OF SAID WATER, SAID SPEISS COMPRISING IRON AND ARSENIC IN A RATIO OF ABOUT 1.5:1, SAID SUSPENSION FORMING A FIRM GEL STRUCTURE.
Claim 2
Dependent Claim
79 words
A COMPOSITION FOR USE IN WELLS CONSISTING OF A CLAYFREE AQUEOUS SUSPENSION CONTAINING FROM ABOUT 3 TO ABOUT 8 PARTS OF SPEISS PER PART OF WATER AND HAVING A WEIGHT IN THE RANGE FROM ABOUT 19 TO ABOUT 32 POUNDS PER GALLON, SAID SUSPENSION CONTAINING FROM ABOUT 1 TO ABOUT 8 POUNDS OF FERROCHROME LIGNOSULFONATE PER BARREL OF SAID WATER, SAID SPEISS COMPRISING IRON AND ARSENIC IN A RATIO OF ABOUT 1.5:1, SAID SUSPENSION FORMING A FIRM GEL STRUCTURE.
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) | 1965-06-25 | 1965-12-25 | 1966-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-25 | 1969-12-25 | 1970-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-25 | 1973-12-25 | 1974-06-26 | $7700.00 | Window Closed / Lapsed |