Active cable for wellbore heating and distributed...
Apparatus and method for production of organic products from ker
Apparatus for installing condition-sensing means in subterranean
Apparatus for recovery of petroleum from petroleum impregnated m
Cable head
Completion system for downhole steam generator
Conductor-in-conduit heat sources for in situ thermal...
Corrosion inhibition apparatus for downhole electrical heating
Down hole oil well heater employing electro-thermal paper
Downhole thermoacoustic device
Electrical device for promoting oil recovery
Electrical heater
Electrical heater
Electrode device for electrically heating underground deposits o
Heating system for rathole oil well
In situ radio frequency selective heating system
In situ recovery from a hydrocarbon containing formation
In situ thermal processing of a hydrocarbon containing...
Low flux leakage cables and cable terminations for A.C. electric
Method and apparatus for de-icing oilwells