FIELD: oil and gas industry.
SUBSTANCE: invention relates to production of well filters for oil and gas industry. Proposed method comprises fabrication of filter material web by drawing non-woven linen of basalt or polypropylene fibers inside mesh hose from stainless wire and spiraling winding of filter material strip under tension onto revolving perforated pipe.
EFFECT: creation of efficient filter by simplified technology with possibility of formation fluid cleaning with rocks non-homogeneous by granulometric composition.
1 cl, 5 dwg
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