Solenoid operated safety valve and submersible pump system

Patent · Tue Jan 17 04:00:00 EST 1989

OSTI ID:6314181

Deaton, T M; Perkins, D H

A submersible pump and solenoid operated safety valve system is described for use in a borehole, comprising: a submersible pump driven by an electric motor positioned down in a borehole and connected to conduit means to produce a flow of well fluids within the borehole toward the surface; a solenoid operated safety valve connected to interrupt the flow of well fluids toward the surface in response to the interruption of current to the solenoid holding the safety valve in an open condition; a surface control unit; a downhole control unit positioned down in the borehole and connected to the surface control unit and to the motor of the pump by means of an electrical cable; means for supplying AC electrical power from the surface unit down the conductors of the cable; and means mounted within the downhole control unit for providing electric current for operating the solenoid to open the safety valve.

• Assignee: Otis Engineering Corp., Dallas, TX
• Patent Number(s): US 4798247
• OSTI ID: 6314181
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
020300* -- Petroleum-- Drilling & Production
03 NATURAL GAS
030300 -- Natural Gas-- Drilling
Production
& Processing
AC SYSTEMS
CABLES
CONDUCTOR DEVICES
CONTROL EQUIPMENT
DESIGN
ELECTRIC CABLES
ELECTRIC COILS
ELECTRICAL EQUIPMENT
ELECTRONIC EQUIPMENT
ENERGY SYSTEMS
EQUIPMENT
FIELD PRODUCTION EQUIPMENT
FLOW REGULATORS
NATURAL GAS WELLS
OIL WELLS
OPERATION
POWER SUPPLIES
POWER SYSTEMS
PUMPING
PUMPS
RELIEF VALVES
SOLENOIDS
VALVES
WELLS