FIELD: oil and gas industry.
SUBSTANCE: invention refers to oil industry, particularly to submersible devices for scale inhibitor supply on a surface of submersible electric motors and an input of electric rotary pumps. The device comprises a cylindrical case with radial channels in its top, and the apertures formed on a lateral surface at a lower end face, an inhibitor in the cylindrical case. Said inhibitor is dispersed in a thermoplastic matrix and has a density exceeding that of formation water. The radial channels are provided above the inhibitor level.
EFFECT: higher efficiency of inhibitor supplying process.
4 cl, 3 dwg
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Authors
Dates
2010-05-27—Published
2008-10-13—Filed