Submersible pump installation, methods and safety system

Details Submersible pump installation, methods and safety system Submersible pump installation, methods and safety system

E - Fixed Constructions

21

B

166/62

E21B 23/00 (2006.01) E21B 23/04 (2006.01) E21B 34/08 (2006.01) E21B 34/10 (2006.01) E21B 43/12 (2006.01) E21B 34/00 (2006.01)

Patent

CA 1225022

ABSTRACT OF THE DISCLOSURE A landing nipple and safety system for installation in wells having a submersible pump for pumping formation fluids to the well surface plus a subsurface safety valve for main- twining the well under control during installation and removal of the pump from the well. The subsurface safety valve may be hydraulically actuated by either the discharge pressure of the pump or input power fluid for hydraulically powered pumps. The landing nipple to which the pump is attached and in which the safety valve is installed can be retrieved from the flow con- doctor by conventional wire line techniques.

474718

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