FIELD: oil and gas industry.
SUBSTANCE: invention relates to compositions for protection of inner wall of tubing string and primary oil collection pipes from abrasive action, corrosion and paraffin deposition. Composition includes non-elastomeric polyethylene and elastomer, at that, additionally contains magnetic-hard filler based on NdFeB compound with size of not more than 0.01 mm at following ratio of components, wt%: non-elastomeric polyethylene – 40÷67, magnetic powder NdFeB – 16÷18, elastomer – balance.
EFFECT: reduction of paraffin deposits on inner walls of pipes.
1 cl, 2 dwg
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