The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 11008497 B1

PDF
Full Text
Expired
Date of Patent:
May. 18, 2021

Filed:

Aug. 20, 2020
Applicant:

Chevron Phillips Chemical Company Lp, The Woodlands, TX (US);

Inventors:

Marshall D. Bishop, Bartlesville, OK (US);

Shawn M. Flom, Bartlesville, OK (US);

Marcus D. Banks, Bartlesville, OK (US);

Assignee:

Chevron Phillips Chemical Company LP, The Woodlands, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/40 (2006.01); C09K 8/42 (2006.01);
U.S. Cl.
CPC ...
C09K 8/40 (2013.01); C09K 8/424 (2013.01);
Abstract

Spacer fluid compositions comprising water, a clay, and a sulfur-containing polyether surfactant are disclosed, and such compositions often can further include a weighting additive, an antifoaming additive, and a co-solvent. These spacer fluid compositions can be used to treat metal casing and to remove drilling fluid residue for improved cement bonding in wellbore applications.


Find Patent Forward Citations

Loading…