Patent ID: 9194227
Filing Date: 2015-11-24
Classification: E21B

Abstract:
1. A hydraulic control system for use in a subterranean well comprising: at least one tool positioned along production casing within the subterranean well; a first hydraulic line positioned in the subterranean well outside of the production casing and connected to each of said at least one tool via separate hydraulic connections; a control line positioned in the subterranean well outside of the production casing and extending adjacent each of said at least one tool, said control line dedicated only to the passage of a signal device therethrough; at least one valve corresponding in number to said at least one tool, each of said at least one valve being positioned in separate one of the hydraulic connections between said first hydraulic line and said at least one tool; and at least one reader device corresponding in number to said at least one valve, each of said at least one reader device being connected to a separate one of said at least one valve so as to control the actuation thereof.