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.

Date of Patent:
May. 24, 2022

Filed:

Mar. 20, 2020
Applicants:

Saudi Arabian Oil Company, Dhahran, SA;

King Fahad University of Petroleum & Minerals, Dhahran, SA;

Inventors:

Ayman R. Al-Nakhli, Dhahran, SA;

Mohamed Ahmed Nasr El Din Mahmoud, Dhahran, SA;

Abdulazeez Abdulraheem, Dhahran, SA;

Zeeshan Tariq, Dhahran, SA;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/536 (2006.01); C09K 8/66 (2006.01); C09K 8/68 (2006.01); E21B 37/00 (2006.01);
U.S. Cl.
CPC ...
C09K 8/536 (2013.01); C09K 8/665 (2013.01); C09K 8/68 (2013.01); E21B 37/00 (2013.01);
Abstract

A method for the simultaneous removal of filter cake from a wellbore and fracturing of the wellbore using a mixture including a chelating agent and a thermochemical. The method including feeding a mixture into the wellbore, contacting the filter cake with the mixture, reacting the chelating agent and the thermochemical to produce heat and pressure, removing the filter cake from the wellbore, and creating microfractures in the wellbore using pressure produced from the reacting.


Find Patent Forward Citations

Loading…