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:
Feb. 09, 2016
Filed:
Nov. 04, 2009
Anupam Singh, Houston, TX (US);
Anupam Singh, Houston, TX (US);
Halliburton Energy Services, Inc., Houston, TX (US);
Abstract
A downhole tool () including an open loop cooling system () having a pressurized container () disposed within a tool string, and has a refrigerant (). The cooling system further includes a tank () in fluid communication with the pressurized container (), and a heat exchanger () associated with tank (), where the heat exchanger exchanges heat between the refrigerant () and a downhole payload (). The cooling system further includes a low pressure apparatus that creates a low pressure region proximate the pressurized container. The low pressure apparatus can include a venturi (). The venturi has a drilling mud passage () therethrough, and drilling mud flowing through a convergence () creates a low pressure adjacent the tank ().