Well head heating system

Details Well head heating system Well head heating system

1998-04-27

2000-03-07

Neuder, William

Wells

With heating, refrigerating or heat insulating means

166901, 166302, E21B 3600

Patent

active

060327324

ABSTRACT:
The present invention relates to a system for heating the well head assembly of a conventional oil well pumper. The system functions by routing a portion of the engine coolant from the pumper engine to a heat tracing loop. This loop enables a portion of the coolant to heat a well head assembly. Such heating reduces well head freeze ups and consequent well shut downs. The present invention also employs a temperature regulator which functions in optimizing the amount of engine coolant routed into the heat tracing loop. An amount of vaporizable fluid is in thermal contact with the heat tracing loop. Increased tempertures within the loop serve to vaporize the fluid. This vaporized fluid is then employed within an expansible bellows. Expansion of the bellows serves to open a poppet valve and decrease the amount of coolant routed through the loop.

REFERENCES:
patent: 2532995 (1950-12-01), Chausse
patent: 2925986 (1960-02-01), Woods
patent: 4251029 (1981-02-01), Carson
patent: 5098036 (1992-03-01), Brigham et al.
patent: 5656136 (1997-08-01), Gayaut et al.

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