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US 11,230,657 B2Granted
Modified graphene shale inhibitors
AssigneesSaudi Arabian Oil Company, King Fahd University of Petroleum and Minerals
InventorsTawfik Abdo Saleh, Mohammed Khalid Al-Arfaj, Azeem A. Rana
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Abstract
A water-based wellbore fluid may include an aqueous base fluid and a modified graphene shale inhibitor that comprises one or more substituents that are covalently bonded to graphene via a linking group. One of the one or more substituents may be a hydrocarbon group that has a number of carbon atoms in the range from 8 to 14.
Claims9
A water-based wellbore fluid, comprising:
- an aqueous base fluid;
- and
- a modified graphene shale inhibitor that comprises one or more substituents that are covalently bonded to graphene via a linking group,
- wherein the modified graphene shale inhibitor is an undecanecarboxylate modified graphene.
1 more element
Dependencies are inferred from the claim text.