Heated well production string
United States Patent 2954826

Inventors:
Sievers, William E.
Publication Date:
10/04/1960
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Assignee:
Sievers, William E.
Primary Class:
Other Classes:
392/483, 219/390, 219/553, 392/306
International Classes:
E21B36/04; E21B36/00
US Patent References:
2530280Oil column heating means and method
2543297Cooking appliance
2632836Oil well heater
2748868Well heater
2754912Heater for oil wells
2844699High heat infrared lamp holder
2859368Heat lamp