Well system and method

Details Well system and method Well system and method

E - Fixed Constructions

21

B

166/41

E21B 34/08 (2006.01) E21B 23/08 (2006.01) E21B 34/06 (2006.01) E21B 34/12 (2006.01) E21B 34/14 (2006.01) E21B 43/12 (2006.01) E21B 43/14 (2006.01)

Patent

CA 1159363

WELL SYSTEM AND METHOD Abstract of the Disclosure A method and apparatus especially adapted for use with an injection well in which a valve controlled H-member intercon- nects the two tubings of a two tubing installation and landing nipples are attached to the lower legs of the H-member to receive expendable fluid control means, such as standing valves, in which pressure applied to one tubing to create a pressure differential will move the valve controlling the interconnec- tion between the H-members to open position to permit TFI, operations to be carried out in the well and thereafter pres- sure exerted on a ball supported on the valve member of the control valve for the H-member closes the control valve, and the ball passes through the control valve. The fluid control members in the landing nipples may be ejected either before or after closing of the valve in the H-member.

386129

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