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. 26, 2002
Filed:
Nov. 02, 1998
Bryon D. Mullen, Carrollton, TX (US);
Tommy F. Grigsby, Houma, LA (US);
Halliburton Energy Services, Inc., Dallas, TX (US);
Abstract
An apparatus ( ) for actuating a hydraulically controllable device ( ) disposed in a wellbore is disclosed. The apparatus (100) comprises a downhole hydraulic fluid source ( ), a hydraulic fluid passageway ( ) providing a communication path between the downhole hydraulic fluid source ( ) and the hydraulically controllable device ( ), a valve ( ) disposed within the hydraulic fluid passageway ( ) and a downhole electronics package ( ). The downhole electronics package ( ) receives a signal from the surface to operate the valve ( ) from the closed position to the open position such that hydraulic pressure from the downhole hydraulic fluid source ( ) actuates the hydraulically controllable device ( ).