专利检索 ap:("Ecolab USA Inc.") AND inv:"Marcus D. Faust, Jr." 第 1 页

1.

发明授权
Cleaning and removal of wax deposits in oil and gas wells using cationic polymers 有权

公开(公告)号：US10745608B2

公开(公告)日：2020-08-18

申请号：US15219919

申请日：2016-07-26

申请人： Ecolab USA Inc.

发明人： Marcus D. Faust, Jr. , Tri T. Phan , Theophilus Edovia , Mathew Hancock

IPC分类号： C09K8/524 , C09K8/528 , C09K8/532 , E21B37/06 , E21B43/12

摘要： The present invention generally relates to methods for removing deposits in an oil or gas well by contacting the annular fluid in a batch-wise method with an effective amount of a composition comprising a water-soluble copolymer. These methods are advantageous because they can be used as needed to improve well operation. The methods use a water-soluble copolymer comprised of an acrylamide monomer and one or more cationic monomer.