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:
Sep. 20, 2022

Filed:

Aug. 14, 2020
Applicant:

Saudi Arabian Oil Company, Dhahran, SA;

Inventors:

Mohammed Y. Al Daif, Al Qatif, SA;

Ahmed A. Al Jaafari, Al Khobar, SA;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 27/02 (2006.01); E21B 43/27 (2006.01); E21B 37/06 (2006.01); E21B 37/08 (2006.01); E21B 41/00 (2006.01); E21B 47/09 (2012.01);
U.S. Cl.
CPC ...
E21B 27/02 (2013.01); E21B 37/06 (2013.01); E21B 37/08 (2013.01); E21B 41/0078 (2013.01); E21B 43/27 (2020.05); E21B 47/09 (2013.01);
Abstract

A system for acid treating a section of a well includes a wireline or slickline extending from a surface of the well into the well and a bailer tool assembly attached to an end of the wireline or slickline. The bailer tool assembly includes a first piston positioned in a first piston housing at an axial end of at least one bailer, the first piston being slidable through the at least one bailer, at least one rotatable nozzle positioned at a lower end of the bailer tool assembly and fluidly connected to a fluid reservoir in the at least one bailer, and a depth indicator tool attached to an upper end of the bailer tool assembly.


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