Settable spotting fluid compositions and methods
US6138759A · kind A · utility
151Cited by
23References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 16, 1999 |
| Grant date | Oct 31, 2000 |
| Priority date | — |
| Expiry date | Dec 16, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S507/928
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Improved settable spotting fluid compositions and methods are provided. The settable spotting fluid compositions are basically comprised of a hydraulic settable component comprised of fly ash, a fluid loss control additive, a gel strength inhibiting additive, a set retarding additive and water selected from the group of fresh water and salt water present in an amount sufficient to form a slurry having a density in the range of from about 12 to about 15 pounds per gallon.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.