Patent US2806531A successfully refreshed from Google Patents.
US2806531A
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Composition for treating wells and method for using same
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1955-12-19
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Granted: 1957-09-17
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Expires: 1975-12-19
Abstract
No abstract record available.
Inventors
- 👤 Bryan E Morgan
- 👤 Gerald G Priest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:29
CPC Classifications
C; C04; C04B; C04B28/00; C04B28/02; C04B28/04; C04B22/00; C04B22/08; C04B40/00; C04B40/06; C09; C09K; C09K8/00; C09K8/42; C09K8/46
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A CEMENTING COMPOSITION FOR USE IN WELLS HAVING THE PROPERTY OF SETTING SUBSTANTIALLY IMMEDIATELY ON CONTACT WITH WATER WHICH CONSIS OF A PUMPABLE HYDROCARBON SLURRY OF PORTLAND CEMENT AND SUBSTANTIALLY ANHYDROUS CALCIUM CHLORIDE, THE WEIGHT RATIO OF SAID CEMENT TO SAID CALCIUM CHLORIDE BEING IN THE RANGE FROM ABOUT 1:1 TO ABOUT 20:1, SAID HYDROCARBON IN SAID SLURRY BEING EMPLOYED IN AN AMOUNT IN THE RANGE FROM ABOUT 50 CC. TO ABOUT 300CC. PER 100 GRAMS OF SAID CEMENT IN A DRY CONDITION,
Claim 2
Dependent Claim
83 words
A CEMENTING COMPOSITION FOR USE IN WELLS HAVING THE PROPERTY OF SETTING SUBSTANTIALLY IMMEDIATELY ON CONTACT WITH WATER WHICH CONSIS OF A PUMPABLE HYDROCARBON SLURRY OF PORTLAND CEMENT AND SUBSTANTIALLY ANHYDROUS CALCIUM CHLORIDE, THE WEIGHT RATIO OF SAID CEMENT TO SAID CALCIUM CHLORIDE BEING IN THE RANGE FROM ABOUT 1:1 TO ABOUT 20:1, SAID HYDROCARBON IN SAID SLURRY BEING EMPLOYED IN AN AMOUNT IN THE RANGE FROM ABOUT 50 CC. TO ABOUT 300CC. PER 100 GRAMS OF SAID CEMENT IN A DRY CONDITION,
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-16 | 1961-03-18 | 1961-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-16 | 1965-03-18 | 1965-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-16 | 1969-03-18 | 1969-09-17 | $7700.00 | Window Closed / Lapsed |