Acid-soluble cement composition
US10059870B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 2, 2014 |
| Grant date | Aug 28, 2018 |
| Priority date | — |
| Expiry date | Dec 8, 2034 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B33/16
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A cement composition for use in a well that penetrates a subterranean formation comprising: cement; and water, wherein the water is in a concentration in the range of about 220% to about 800% by weight of the cement, wherein the cement composition is acid soluble. A method of treating a subterranean formation comprising: introducing the cement composition into the subterranean formation; allowing the composition to set; and contacting the set cement composition with an acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.