A method of pirolizing bituminous skeleton (Machine-translation by Google Translate, not legally binding)
ES257292A1
A method for gasificating a combustible material in a fluidified bed (Machine-translation by Google Translate, not legally binding)
GB919359A
Fluidized bed reactor
GB891200A
Improvements relating to the pyrolysis of bituminous shale in a fluidized bed
GB895085A
Method of gasifying combustible material in a fluidized bed
ES242119A1
A method of pirolizing rich bituminous combustibles in ashes. (Machine-translation by Google Translate, not legally binding)
US3108930A
Retort furnace for pyrolysis of fuels
US3061009A
Method of recovery from fossil fuel bearing strata
US3127936A
Method of in situ heating of subsurface preferably fuel containing deposits
ES235297A3
A procedure to separate through a catalyst accelerating the joint of oxygen to hydrogen, free oxygen from a gross gas (Machine-translation by Google Translate, not legally binding)
ES235295A3
A method to separate goss free from a gas containing free oxygen (Machine-translation by Google Translate, not legally binding)
US2914304A
Method of driving holes into ground comprising porous or sedimentary strata
US2923535A
Situ recovery from carbonaceous deposits
US2841375A
Method for in-situ utilization of fuels by combustion
US2890754A
Apparatus for recovering combustible substances from subterraneous deposits in situ
US2890755A
Apparatus for recovering combustible substances from subterraneous deposits in situ
US2939689A
Electrical heater for treating oilshale and the like
GB743458A
A process for the regeneration of a catalyst accelerating the binding of oxygen to hydrogen
GB742912A
Improvements relating to catalytical removal of free oxygen from gases containing free hydrogen and hydrogen sulphide
US2902270A
Method of and means in heating of subsurface fuel-containing deposits "in situ"
