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US 11,884,873 B2Granted
Mixture for pre-cementing operation in wellbore
AssigneeHalliburton Energy Services, Inc.
InventorsKyriacos Agapiou, Thomas Jason Pisklak, James Robert Benkley, Claudia Pineda, Paul J. Jones
Life of this patent
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Abstract
A treatment fluid for performing one or more pre-cementing operations in a wellbore can include a base fluid, a viscosifier, and a crushed glass material. The viscosifier can be dispersed in the base fluid. The crushed glass material can be dispersed in the base fluid for performing one or more pre-cementing operations with respect to the wellbore.
Claims8
A method comprising:
- preparing a wellbore fluid, the wellbore fluid including a base fluid, a crushed glass material, a biopolymer viscosifier that includes at least one of diutan gum or welan gum, and an alkali activator, wherein the crushed glass material comprises soda-lime glass particles;
- positioning the wellbore fluid in a wellbore;
- activating the alkali activator to interact with the wellbore fluid to form a plugging matrix in one or more lost circulation zones of the wellbore;
- and
- performing a pre-cementing operation comprising a lost circulation operation with respect to the wellbore using the wellbore fluid, wherein the plugging matrix is retained in the one or more lost circulation zones.
2 more elements
Dependencies are inferred from the claim text.