Seal electrical conductor arrangement for use with a well bore i
Sealed ESP motor system
Selectively-controlled well bore apparatus
Self-propelled apparatus
Sensor array suitable for long term placement inside...
Side entry sub well logging apparatus and method
Side entry sub well logging apparatus and method
Single line sliding sleeve downhole tool assembly
Single line sliding sleeve downhole tool assembly
Sinker bar for cable-operated well apparatus
Solenoid actuated well safety valve
Solenoid actuator and pulse drive
Solenoid operated blanking block valve
Solenoid operated tubing safety valve
Sour gas cable head
Stand off for electrical connection in an underground well
Stress, strain and fatigue measuring of well piping
Submersible pump adapter
Submersible pump line protector
Subsurface device actuator requiring minimum power