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, 2009
Filed:
May. 31, 2007
Anthony H. Van Zuilekom, Houston, TX (US);
Chi-huang Michael Chang, Austin, TX (US);
Sue-lee Luo Chang, Legal Representative, Austin, TX (US);
Arian Abbas, Houston, TX (US);
Bruce W. Mackay, Houston, TX (US);
Anthony H. van Zuilekom, Houston, TX (US);
Chi-Huang Michael Chang, Austin, TX (US);
Sue-Lee Luo Chang, legal representative, Austin, TX (US);
Arian Abbas, Houston, TX (US);
Bruce W. Mackay, Houston, TX (US);
Halliburton Energy Services, Inc., Houston, TX (US);
Abstract
A formation tester tool includes a formation tester tool body having a surface, a formation probe assembly located within the formation tester tool body, the formation probe assembly including a piston reciprocal between a retracted position and an extended position beyond the surface of the formation tester tool body, the piston being slidingly retained within a chamber, and a seal pad located at an end of the piston, wherein the seal pad includes a first inner sealing element and a second outer sealing element.