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US 2017/0247595 A1Published application
Shale Hydration Inhibitor and Method of Use
AssigneeM-I L.L.C.
InventorSteve Cliffe
Life of this patent
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Abstract
Wellbore fluids may contain alkyl amine and cyclic organic acid complexes capable of controlling hydration in swellable formations such as shale- and clay-containing formations. Further, methods of drilling may utilize wellbore fluids containing a base fluid and a complex of alkyl amine and a cyclic organic acid.
Claims20
A wellbore fluid, comprising:
- an aqueous base fluid;
- and
- a shale hydration inhibition additive comprising:
- one or more alkyl amines;
- and one or more cyclic organic acids.
2 more elements
A method of drilling, comprising:
- circulating a wellbore fluid into a wellbore, the wellbore fluid comprising:
- an aqueous base fluid;
- and
- a shale hydration inhibition agent comprising:
- one or more alkyl amines;
- and one or more aromatic acids.
3 more elements
Dependencies are inferred from the claim text.