Subsurface well apparatus having flexing means and method of...

Details Subsurface well apparatus having flexing means and method of... Subsurface well apparatus having flexing means and method of...

E - Fixed Constructions

21

B

166/44

E21B 33/035 (2006.01) E21B 23/00 (2006.01) E21B 23/08 (2006.01) E21B 31/20 (2006.01) E21B 33/16 (2006.01) E21B 34/10 (2006.01) E21B 34/00 (2006.01)

Patent

CA 1046933

SUBSURFACE WELL APPARATUS HAVING FLEXING MEANS AND METHOD OF USING SAME Abstract of the Disclosure A surface-controlled subsurface safety valve apparatus and method of utilizing the safety valve in through-the- flowline serviced wells. Both the valve frame and valve operator are provided with ball and socket universal joints to enable passage of the safety valve past restrictions in the flowline resulting from bends and curves in the flowline by flexing the safety valve in moving to and from the sub- surface operating location.

253153

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