公开(公告)号：US20210115321A1

公开(公告)日：2021-04-22

申请号：US17250193

申请日：2019-06-04

Applicant: M-I L.L.C.

Inventor： Pradyumna Avinash DESHPANDE ,  Chandrashekhar Yeshwant KHANDEKAR

IPC: C09K8/524 ,  C10G21/00

Abstract: Compositions may include an asphaltene dispersant that is the product of a reaction between a polysaccharide having at least two sugar subunits and one or more fatty acid reagents, and a petroleum fluid produced from a subterranean formation and containing asphaltenes therein. The asphaltene dispersant may have a molecular weight of at least 4000 Da. Compositions may further include an aromatic solvent. Methods may include contacting a hydrocarbon fluid with an asphaltene dispersant dissolved in an aromatic solvent, wherein the asphaltene dispersant is the product of the reaction of a polysaccharide and one or more fatty acid reagents. Methods may also include contacting a hydrocarbon fluid with an asphaltene, wherein the asphaltene dispersant is the product of the reaction of a polysaccharide and one or more fatty acid reagents and has a molecular weight of at least 4000 Da.