4. Wells
  5. With heating, refrigerating or heat insulating means
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Heat exchanging apparatus

Wells – With heating – refrigerating or heat insulating means
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Heating system for rathole oil well

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

  [ 0.00 ] – not rated yet Voters 0   Comments 0

High power umbilicals for electric flowline immersion...

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

  [ 0.00 ] – not rated yet Voters 0   Comments 0

High pressure combustor having a catalytic air preheater

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

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Hot water flood

Wells – With heating – refrigerating or heat insulating means
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Hydrogen generating system

Wells – With heating – refrigerating or heat insulating means
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0
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