Balance line safety valve with tubing pressure assist

Details Balance line safety valve with tubing pressure assist Balance line safety valve with tubing pressure assist

E - Fixed Constructions

21

B

E21B 34/10 (2006.01)

Patent

CA 2538411

The present invention generally relates to a subsurface safety valve configured to control fluid flow through a production tubing string. In one aspect, a safety valve for deployment beneath a surface of a wellbore is provided. The valve includes a control piston and a balance piston. The valve is configured to be connected to a controller at the surface by a control line so that the control piston is actuatable between a first position and a second position in response to receiving pressurized fluid from the controller through the control line. The balance piston is configured to compensate for hydrostatic pressure in the control line. The valve may have a bore therethrough and the control piston may be configured to utilize tubing pressure within the valve bore to urge the control piston towards the second position.

Affiliated with

Also associated with

Rating

Balance line safety valve with tubing pressure assist does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Balance line safety valve with tubing pressure assist, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Balance line safety valve with tubing pressure assist will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1599437