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:
Sep. 08, 2020
Filed:
Nov. 23, 2016
Applicant:
Halliburton Energy Services, Inc., Houston, TX (US);
Inventor:
Frank Kresse, Duncan, OK (US);
Assignee:
Halliburton Energy Services, Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 43/26 (2006.01); E21B 43/14 (2006.01); B01F 3/12 (2006.01); E21B 21/06 (2006.01); F16L 41/16 (2006.01);
U.S. Cl.
CPC ...
E21B 43/26 (2013.01); E21B 43/14 (2013.01); B01F 3/1271 (2013.01); B01F 2215/0081 (2013.01); E21B 21/062 (2013.01); F16L 41/16 (2013.01);
Abstract
An additive injection apparatus has a flow manifold with an injection tube configured to communication an additive into the flow manifold. A hopper is connected to the injection tube and will deliver the additive to the injection tube. First and second valves movable between open and closed positions control the flow of additive from the hopper into the injection tube and from the injection tube into the flow manifold.