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:
May. 28, 2024
Filed:
Oct. 14, 2019
Applicant:
Expro North Sea Limited, Aberdeenshire, GB;
Inventor:
Julian Richard Trinder, Southampton, GB;
Assignee:
EXPRO NORTH SEA LIMITED, Aberdeenshire, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 47/12 (2012.01); E21B 47/11 (2012.01);
U.S. Cl.
CPC ...
E21B 47/138 (2020.05); E21B 47/11 (2020.05);
Abstract
A downhole injector apparatus for injecting a taggant into a wellbore includes an injector nozzle outlet and a taggant reservoir in fluid communication with the injector nozzle outlet and configured to hold the taggant to be injected. The apparatus further includes a pressure wave generator configured to apply a pressure wave within the reservoir to expel the taggant from the reservoir through the injector nozzle outlet.