Subsurface well safety valve and control system

Details Subsurface well safety valve and control system Subsurface well safety valve and control system

E - Fixed Constructions

21

B

166/41

E21B 34/12 (2006.01) E21B 34/06 (2006.01) E21B 34/00 (2006.01)

Patent

CA 1222446

ABSTRACT OF THE DISCLOSURE Subsurface safety valve assembly for oil wells comprising a valve element and a temperature responsive operator comprising multiple coil springs, made of shape memory material, operable in opposing directions for opening and closing the valve element and a ratchet locking mechanism comprising wickers for locking the valve in its open position after removal of the heating which causes shape memory effect movement to such position.

468838

Affiliated with

Also associated with

Rating

Subsurface well safety valve and control system does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Subsurface well safety valve and control system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Subsurface well safety valve and control system will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1297008