Kenneth Dale Cowan

US Patent:

20210139762, May 13, 2021

Filed:

Nov 16, 2020

Appl. No.:

17/098567

Inventors:

- Austin TX, US
Kenneth M. COWAN - Austin TX, US
Sriramya Duddukuri NAIR - Austin TX, US
Raissa FERRON - Austin TX, US

International Classification:

C09K 8/46
C04B 28/02
C09K 8/03
C09K 8/516
C09K 8/40
E21B 33/13
C09K 8/467

Abstract:

Described herein are methods of cementing at least a portion of a well comprising feeding a magnetorheological cementitious slurry to a well and applying a magnetic field to the magnetorheological cementitious slurry concurrent with at least a portion of said feeding step to cause a mechanical response in said magnetorheological cementitious slurry in the well. Also disclosed herein are methods of temporarily blocking at least a portion of a well comprising providing a magnetorheological fluid in a well, applying a magnetic field to cause a mechanical response in said magnetorheological fluid thereby blocking at least a portion of the well, and removing the magnetic field to unblock the portion of the well. Also disclosed herein is a magnetorheological cement.

US Patent:

20160010424, Jan 14, 2016

Filed:

Jul 11, 2014

Appl. No.:

14/329436

Inventors:

- Austin TX, US
Kenneth M. Cowan - Austin TX, US
Sriramya Duddukuri Nair - Austin TX, US
Raissa Ferron - Austin TX, US

International Classification:

E21B 33/138
E21B 33/06
C09K 8/46
E21B 33/14

Abstract:

Described herein are methods of cementing at least a portion of a well comprising feeding a magnetorheological cementitious slurry to a well and applying a magnetic field to the magnetorheological cementitious slurry concurrent with at least a portion of said feeding step to cause a mechanical response in said magnetorheological cementitious slurry in the well. Also disclosed herein are methods of temporarily blocking at least a portion of a well comprising providing a magnetorheological fluid in a well, applying a magnetic field to cause a mechanical response in said magnetorheological fluid thereby blocking at least a portion of the well, and removing the magnetic field to unblock the portion of the well. Also disclosed herein is a magnetorheological cement.