公开(公告)号：US20180155505A1

公开(公告)日：2018-06-07

申请号：US15835020

申请日：2017-12-07

Applicant: Chevron U.S.A. Inc.

Inventor： Do Hoon Kim ,  Dennis A. Alexis ,  Varadarajan Dwarakanath ,  David R. Espinosa ,  Taimur Malik ,  Peter G. New ,  Adam C. Jackson ,  Christopher Michael Niemi

IPC: C08J3/00 ,  C09K8/588 ,  E21B43/16

CPC classification number: C08J3/005 ,  C08J3/03 ,  C08J2300/00 ,  C08J2333/26 ,  C09K8/588 ,  E21B43/16 ,  E21B43/26

Abstract: Provided herein are liquid polymer (LP) compositions comprising a synthetic (co)polymer (e.g., an acrylamide (co)polymer), as well as methods for preparing aqueous polymer solutions by combining these LP compositions with an aqueous fluid. The resulting aqueous polymer solutions can have a concentration of a synthetic (co)polymer (e.g., an acrylamide (co)polymer) of from 50 to 15,000 ppm, and a filter ratio of 1.5 or less at 15 psi using a 1.2 μm filter. Also provided are methods of using these aqueous polymer solutions in oil and gas operations, including enhanced oil recovery.

公开(公告)号：US11261300B2

公开(公告)日：2022-03-01

申请号：US17121325

申请日：2020-12-14

Applicant: Chevron U.S.A. Inc.

Inventor： Do Hoon Kim ,  Dennis A. Alexis ,  Varadarajan Dwarakanath ,  David R. Espinosa ,  Taimur Malik ,  Peter G. New ,  Adam C. Jackson ,  Christopher Michael Niemi

IPC: E21B43/16 ,  C08J3/00 ,  C09K8/588 ,  C08J3/03 ,  E21B43/26

Abstract: Provided herein are liquid polymer (LP) compositions comprising a synthetic (co)polymer (e.g., an acrylamide (co)polymer), as well as methods for preparing aqueous polymer solutions by combining these LP compositions with an aqueous fluid. The resulting aqueous polymer solutions can have a concentration of a synthetic (co)polymer (e.g., an acrylamide (co)polymer) of from 50 to 15,000 ppm, and a filter ratio of 1.5 or less at 15 psi using a 1.2 μm filter. Also provided are methods of using these aqueous polymer solutions in oil and gas operations, including enhanced oil recovery.

公开(公告)号：US10344129B2

公开(公告)日：2019-07-09

申请号：US15835020

申请日：2017-12-07

Applicant: Chevron U.S.A. Inc.

Inventor： Do Hoon Kim ,  Dennis A. Alexis ,  Varadarajan Dwarakanath ,  David R. Espinosa ,  Taimur Malik ,  Peter G. New ,  Adam C. Jackson ,  Christopher Michael Niemi

IPC: C09K8/588 ,  C08J3/00 ,  E21B43/16 ,  E21B43/26

Abstract: Provided herein are liquid polymer (LP) compositions comprising a synthetic (co)polymer (e.g., an acrylamide (co)polymer), as well as methods for preparing aqueous polymer solutions by combining these LP compositions with an aqueous fluid. The resulting aqueous polymer solutions can have a concentration of a synthetic (co)polymer (e.g., an acrylamide (co)polymer) of from 50 to 15,000 ppm, and a filter ratio of 1.5 or less at 15 psi using a 1.2 μm filter. Also provided are methods of using these aqueous polymer solutions in oil and gas operations, including enhanced oil recovery.

公开(公告)号：US20210171721A1

公开(公告)日：2021-06-10

申请号：US17121325

申请日：2020-12-14

Applicant: Chevron U.S.A. Inc.

Inventor： Do Hoon Kim ,  Dennis A. Alexis ,  Varadarajan Dwarakanath ,  David R. Espinosa ,  Taimur Malik ,  Peter G. New ,  Adam C. Jackson ,  Christopher Michael Niemi

IPC: C08J3/00 ,  C09K8/588 ,  E21B43/16 ,  C08J3/03

Abstract: Provided herein are liquid polymer (LP) compositions comprising a synthetic (co)polymer (e.g., an acrylamide (co)polymer), as well as methods for preparing aqueous polymer solutions by combining these LP compositions with an aqueous fluid. The resulting aqueous polymer solutions can have a concentration of a synthetic (co)polymer (e.g., an acrylamide (co)polymer) of from 50 to 15,000 ppm, and a filter ratio of 1.5 or less at 15 psi using a 1.2 μm filter. Also provided are methods of using these aqueous polymer solutions in oil and gas operations, including enhanced oil recovery.