US3100526A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of cementing wells
Assignee: Dow Chemical Co
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Filing: 1960-11-14
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Granted: 1963-08-13
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Expires: 1980-11-14
Abstract
No abstract record available.
Inventors
- 👤 Robert C Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:08
CPC Classifications
C; C04; C04B; C04B24/00; C04B24/04; C04B24/06; C09; C09K; C09K8/00; C09K8/42; C09K8/46
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
THE METHOD OF CEMENTING A WELL WHICH COMPRISES EMPLACING IN THE WELL AN AQUEOUS COMPOSITION CONSISTING OF 100 PARTS OF AN HYDRAULIC CEMENT SELECTED FROM THE CLASS CONSISTING OF ALUMINOUS, PORTLAND, AND POZZOLANIC CEMENTS, BETWEEN 0.025 AND 1.0 PARTS OF A POLYHYDROXY ALIPHATIC COMPOUND SELECTED FROM THE CLASS CONSISTING OF GLUCOHEPTONIC ACID AND SOLUBLE SALTS THEREOF, AND SUFFICIENT WATER TO MAKE A PUMPABLE SLURRY WHICH SETS TO A HIGH STRENGTH MONOLITIC SOLID IN SITU.
Claim 2
Independent Claim
74 words
THE METHOD OF CEMENTING A WELL WHICH COMPRISES EMPLACING IN THE WELL AN AQUEOUS COMPOSITION CONSISTING OF 100 PARTS OF AN HYDRAULIC CEMENT SELECTED FROM THE CLASS CONSISTING OF ALUMINOUS, PORTLAND, AND POZZOLANIC CEMENTS, BETWEEN 0.025 AND 1.0 PARTS OF A POLYHYDROXY ALIPHATIC COMPOUND SELECTED FROM THE CLASS CONSISTING OF GLUCOHEPTONIC ACID AND SOLUBLE SALTS THEREOF, AND SUFFICIENT WATER TO MAKE A PUMPABLE SLURRY WHICH SETS TO A HIGH STRENGTH MONOLITIC SOLID IN SITU.
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) | 1966-08-12 | 1967-02-11 | 1967-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-12 | 1971-02-11 | 1971-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-12 | 1975-02-11 | 1975-08-13 | $7700.00 | Window Closed / Lapsed |