FIELD: oil and gas industry.
SUBSTANCE: well heater for deflected and flattening out wells comprises a hollow cylindrical vessel with a fuel element installed in it and a heating element that contacts with the fuel element connected via a sealed electric slot to a source of power supply. At the same time the well heater is made at least from two fuel elements connected to each other with the help of elastic links and installed as capable of rotation relative to each other. Besides, the lower part of each fuel element is made with a convex round outer surface, and the coupled upper part of the second and subsequent fuel elements is equipped with a round concavity of the same radius.
EFFECT: increased time of initiated burning reaction.
13 cl, 5 dwg
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Authors
Dates
2013-08-27—Published
2009-12-11—Filed