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:
Jul. 17, 2018
Filed:
Jan. 13, 2015
Halliburton Energy Services, Inc., Houston, TX (US);
Syed Hamid, Dallas, TX (US);
Tyson Harvey Eiman, Frisco, TX (US);
Gregory William Garrison, Dallas, TX (US);
Colby Munro Ross, Carrollton, TX (US);
William Mark Richards, Flower Mound, TX (US);
Thomas Jules Frosell, Irving, TX (US);
HALLIBURTON ENERGY SERVICES, INC., Houston, TX (US);
Abstract
A method and apparatus that includes an elongated base pipe having an external surface at least partially defining an external region and an internal surface at least partially defining an internal region; and a pressure maintenance device disposed in the base pipe and includes a first flow path that extends between an opening in the external surface and an opening in the internal surface; a first valve that controls the flow of a first fluid through the first flow path; a first pressure differential sensor that controls the actuation of the first valve and is in fluid communication with the external region; and a pressurized fluid source in fluid communication with the first pressure differential sensor; wherein a first pressure differential threshold associated with the first pressure differential sensor is the difference between a pressure within the external region and the pressurized fluid source.