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US 7,740,068 B2Granted
Silicate-based wellbore fluid and methods for stabilizing unconsolidated formations
AssigneeM-I L.L.C.
InventorDavid Antony Ballard
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Abstract
A method for treating a subterranean formation penetrated by a wellbore that includes injecting an alkali silicate into the wellbore; injecting a solid micronized silicate-precipitating agent into the wellbore; and allowing the alkali silicate and the solid micronized silicate-precipitating agent to react to form a silicate gel is disclosed.
Claims5
A method for treating a subterranean formation penetrated by a wellbore, comprising:
- injecting an alkali silicate into the wellbore;
- injecting a solid micronized silicate-precipitating agent comprising a hydrolysable or biodegradable ester into the wellbore;
- and
- allowing the alkali silicate and the solid micronized silicate-precipitating agent to react to form a silicate gel.
1 more element
Dependencies are inferred from the claim text.