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:
Mar. 19, 2013
Filed:
Dec. 06, 2010
Adam Davis Wright, McKinney, TX (US);
Vincent Paul Zeller, Flower Mound, TX (US);
Adam Davis Wright, McKinney, TX (US);
Vincent Paul Zeller, Flower Mound, TX (US);
Halliburton Energy Services, Inc., Houston, TX (US);
Abstract
A hydraulic control system () for actuating a downhole tool. The hydraulic control system () includes a plurality of valve members () operable to selectively allow and prevent fluid communication between high and low pressure sources () and first and second sides () of an actuator () operably associated with the downhole tool. In the hydraulic control system (), a first valve member () is ported between the high pressure source () and the first side () of the actuator (), a second valve member () is ported between the low pressure source () and the first side () of the actuator (), a third valve member () is ported between the high pressure source () and the second side () of the actuator () and a fourth valve member () is ported between the low pressure source () and the second side of the actuator ().