FIELD: petroleum processing.
SUBSTANCE: objective of invention is to prevent asphalt-resin-paraffin deposits in tubing. Apparatus contains at least two annular magnets, each being made from two radially and oppositely magnetized semirings. Semirings with the same magnetization direction in adjacent rings are turned relative to each other at an angle of 90 to 180 degrees and semirings of each magnetic ring are installed with their inside surfaces tightly to ferromagnetic pump rod and are attached to it.
EFFECT: increased magnetic treatment efficiency.
2 cl, 2 dwg
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Authors
Dates
2004-09-10—Published
2002-10-30—Filed