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US 2019/0375975 A1Published application
Betaines for Shale Stabilization
AssigneeHalliburton Energy Services, Inc.
InventorsMaria Celeste Rellamas Tria, Catherine Martin Santos
Life of this patent
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Abstract
Included are drilling fluids for drilling in a subterranean formation. A drilling fluid may include: an aqueous base fluid and a betaine shale stabilizer comprising glycine betaine HCl.
Claims8
A drilling fluid comprising:
- an aqueous base fluid;
- and
- a betaine shale stabilizer comprising glycine betaine HCl.
Dependencies are inferred from the claim text.