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:
Jan. 28, 2025

Filed:

Sep. 23, 2021
Applicant:

Championx Llc, Sugar Land, TX (US);

Inventors:

Juan Felipe Correa Pugliese, Fort Worth, TX (US);

Ramamurthy Narasimhan, Bangalore, IN;

Riyadh Salloom, Arlington, TX (US);

Randy De Werff, Burleson, TX (US);

Bradley C. Rogers, Burleson, TX (US);

Jimmy Kemp, Levelland, TX (US);

Matthew Bishop, Burleson, TX (US);

Assignee:

CHAMPIONX LLC, Sugar Land, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 34/14 (2006.01); E21B 43/12 (2006.01);
U.S. Cl.
CPC ...
E21B 34/142 (2020.05); E21B 43/127 (2013.01); E21B 2200/02 (2020.05); E21B 2200/04 (2020.05);
Abstract

The present disclosure relates to a ball check-valve assembly comprising a ball; a casing comprising an outer surface and defining an internal cavity extending within the casing, the internal cavity comprising a cylindrical inner wall; a bottom threaded connection at a downhole end of the casing, the bottom threaded connection comprising an opening therethrough to allow fluid passage into the internal cavity; a top threaded connection at an uphole end of the casing, at least three longitudinally extending guides defined within internal cylindrical cavity; and (f) a sealing surface formed in the casing and interposed between the top threaded connection and the internal cavity, the sealing surface further defining at least three quartic-shaped flow-passages extending from the sealing surface and providing for fluid passage through the sealing surface from the internal cavity to the uphole end of the casing.


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