Submersible pump installation, methods and safety system

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

1985-01-31

1986-12-02

Novosad, Stephen J.

Wells

With eduction pump or plunger

With packer or plug

166319, E21B 4300, E21B 3406

Patent

active

046257985

ABSTRACT:
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 maintaining 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 conductor by conventional wireline techniques.

REFERENCES:
patent: 3853430 (1974-12-01), O'Rourke
patent: 4121659 (1978-10-01), Taylor
patent: 4128127 (1978-12-01), Taylor
patent: 4134454 (1979-01-01), Taylor
patent: 4390061 (1983-06-01), Short
patent: 4425965 (1984-01-01), Bayh, III et al.
patent: 4440221 (1984-04-01), Taylor et al.
patent: 4441861 (1984-04-01), Canalizo
patent: 4474234 (1984-10-01), Lefebvre et al.
patent: 4502536 (1985-03-01), Setterberg, Jr.
patent: 4518036 (1985-05-01), Lefebvre et al.
patent: 4529035 (1985-07-01), Bayh, III

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