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:
Nov. 29, 2022

Filed:

Aug. 17, 2020
Applicants:

David Alexander, Houston, TX (US);

Daniel R. Hart, Sugar Land, TX (US);

Andrew D. Ponder, Houston, TX (US);

Irvin Turcios, Humble, TX (US);

Inventors:

David Alexander, Houston, TX (US);

Daniel R. Hart, Sugar Land, TX (US);

Andrew D. Ponder, Houston, TX (US);

Irvin Turcios, Humble, TX (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 33/12 (2006.01); E21B 34/14 (2006.01);
U.S. Cl.
CPC ...
E21B 33/12 (2013.01); E21B 34/142 (2020.05); E21B 2200/06 (2020.05);
Abstract

A work string and method of performing a downhole operation is disclosed. The work string includes a first tool having a first ball seat configured to activate when a first activation pressure is applied to a plug seated at the first ball seat, and a second tool having a second ball seat configured to activate when a second activation pressure is applied to the plug when seated at the second ball seat, wherein the first activation pressure is different than the second activation pressure. A plug is dropped through a string in a wellbore. The first activation pressure is applied when the plug is at the first tool to activate the first tool. The second activation pressure is applied when the plug is at the second tool to activate the second tool.


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