Electric power supplying well head assembly
Electric pump having a linear motor
Electric safety valve actuator
Electric submersible pump and motor assembly
Electric surface controlled subsurface valve system
Electric surface controlled subsurface valve system
Electrical cable for downhole applications
Electrical cased well-logging method
Electrical conductor arrangements for pipe system
Electrical connection device for an underwater well head
Electrical grounding device for wells
Electrical surface activated downhole circulating sub
Electrical surface activated downhole circulating sub
Electrical system including a connector, cable and cartridge for
Electrical transmission line diametrical retention mechanism
Electrical tubing control and remediation apparatus and...
Electrical wet connect and check valve for a drill string
Electrically actuated well annulus safety valve
Electrically actuated well packer
Electrically controlled release device