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.:
Date of Patent:
Aug. 10, 2021
Filed:
Apr. 12, 2019
Applicant:
Sasol Performance Chemicals Gmbh, Hamburg, DE;
Inventors:
Nelson Akaighe, Lake Charles, LA (US);
Jorge Fernandez, Lake Charles, LA (US);
Christian Jones, Sulphur, LA (US);
Assignee:
Sasol Chemicals GmbH, Hamburg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/52 (2006.01); C09K 8/40 (2006.01); C09K 8/524 (2006.01); C09K 8/74 (2006.01);
U.S. Cl.
CPC ...
C09K 8/52 (2013.01); C09K 8/40 (2013.01); C09K 8/524 (2013.01); C09K 8/74 (2013.01); C10M 2207/0406 (2013.01);
Abstract
A composition for use in various down-hole operations in oil and gas wells. The compositions can include various combinations of certain ethers and other components e.g., esters, alkoxylated alcohols, acidizing agents and hydrocarbon co-solvents. The compositions are useful in a wide variety of down-hole applications particularly well cleaning, filter cake removal and well stimulation techniques e.g., acidizing.