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. 21, 2006
Filed:
Aug. 19, 2003
Applicants:
Daniel G. Purkis, Cruden Bay, GB;
Alfred R. Curington, The Woodlands, TX (US);
Inventors:
Daniel G. Purkis, Cruden Bay, GB;
Alfred R. Curington, The Woodlands, TX (US);
Assignee:
WellDynamics, Inc., Spring, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 7/12 (2006.01); E21B 34/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A control system for use in controlling actuation of tools in a subterranean well. In a described embodiment, a control system includes a well tool, an actuator for the well tool and a control module interconnected between the actuator and first and second fluid lines. The control module is operative to meter a predetermined volume of fluid from the actuator to the second line in response to pressure applied to the first line.