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US 8,522,872 B2Granted
In situ decomposition of carbonyls at high temperature for fixing incomplete and failed well seals
AssigneeUniversity of Utah Research Foundation
InventorsDaniel L. Bour, Peter E. Rose
Life of this patent
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Abstract
Methods and systems relating to in situ decomposition of carbonyls at high temperature for fixing incomplete and failed well seals, are described. According to one embodiment, a method, comprises injecting a sealing agent into a subterranean well having sealing channels or voids in well casings. An alkaline-earth carbonate precipitate is formed from the decomposition of a carbonyl compound. The sealing agent includes the carbonyl compound and an alkaline-earth halide salt.
Claims19
A method, comprising:
- injecting a sealing agent into a subterranean well having sealing channels or voids in well casings;
- and
- forming an alkaline-earth carbonate precipitate from decomposition of a carbonyl compound;
- wherein the sealing agent includes the carbonyl compound and an alkaline-earth halide salt.
1 more element
Dependencies are inferred from the claim text.