Electric motors and related systems for deployment in a...

Electric power supplying well head assembly

Electric safety valve actuator

Electric submersible pump and motor assembly

Electric submersible pump service truck

Electric submersible pump, tubing and method for borehole...

Electric submersible pumping system for dewatering gas wells

Electric wireline packer/retriever apparatus

Electrical cable feeding and removing apparatus

Electrical cable reeling apparatus

Electrical conducting system

Electrical connector with pressure seal

Electrical energy from a wellbore light cell

Electrical heater

Electrical heating of mineral well deposits using downhole...

Electrical heating of oil reservoir

Electrical heating systems for low-cost retrofitting of oil...

Electrical isolation connector subassembly for use in...

Electrical submersible pump and gas compressor

Electrical submersible pump for lifting heavy oils