Biopolymer Based Cationic Surfactant for Clay Stabilization and Prevention of Sludging

USPTO Patent Application US 2017/0233643 A1
Application Date: Aug. 17th, 2017

ABSTRACT

Methods of stabilizing swellable clays in a subterranean formation and methods of reducing the formation of sludge in a subterranean formation using a biopolymer based cationic surfactant are described. The...
Application Number:
15/114,964
International Classification:
C09K 8/72 (20060101); C09K 8/60 (20060101); C09K 8/68 (20060101); C09K 8/575 (20060101); C09K 8/524 (20060101); C09K 8/035 (20060101); C09K 8/08 (20060101)
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CLAIMS

What is claimed is:

1. A method of stabilizing swellable clays in a subterranean formation comprising: providing a treatment fluid comprising a biopolymer based cationic surfactant that includes a quaternary ammonium compound having an alkyl polyglucoside backbone and amino alcohol side chains; andintroducing the treatment fluid into the subterranean formation.

DESCRIPTION

BACKGROUND

The present invention relates generally to methods of stabilizing a subterranean formation. In particular, the present invention relates to methods of stabilizing swellable clays in the formation and methods of reducing the formation of sludge in the formation using a biopolymer based cationic surfactant.
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