LandOfFree - US Patents - Listing for Wells,With heating, refrigerating or heat insulating means

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Means and method for protecting apparatus situated in a borehole

Wells – With heating – refrigerating or heat insulating means

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Method and apparatus for de-icing oilwells

Wells – With heating – refrigerating or heat insulating means – Electrical heater in well

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Method and apparatus for forming an insulated oil well casing

Wells – With heating – refrigerating or heat insulating means

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Method and apparatus for heating a wellbore

Wells – With heating – refrigerating or heat insulating means – Electrical heater in well

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Method and apparatus for producing viscous or waxy crude oils

Wells – With heating – refrigerating or heat insulating means – Burner in well

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Method and apparatus for steam generation at the bottom of a wel

Wells – With heating – refrigerating or heat insulating means – Burner in well

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Method and apparatus for subterranean thermal conditioning

Wells – With heating – refrigerating or heat insulating means – Electrical heater in well

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Method and apparatus for treating subsurface boreholes

Wells – With heating – refrigerating or heat insulating means – Electrical heater in well

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Method and apparatus for viscosity reduction of clogging hydroca

Wells – With heating – refrigerating or heat insulating means

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Method and system for introducing electric current into a well

Wells – With heating – refrigerating or heat insulating means – Electrical heater in well

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Methods and systems for producing fluid from an in situ...

Wells – With heating – refrigerating or heat insulating means – Heater surrounding production tube

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Mineral well heating systems

Wells – With heating – refrigerating or heat insulating means – Electrical heater in well

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Multistage gas generator

Wells – With heating – refrigerating or heat insulating means – Burner in well

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

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