FIELD: oil-and-gas industry.
SUBSTANCE: invention relates to mining industry, particularly to oil-and-gas production and can be used while reclamation of oil and gas wells. Multipurpose well screen contains perforated pipe with nipple and socket parts, concentrically to which it is installed filter element. Filter element is implemented of rings, butts of which are contacted. At one or both butts of rings it is implemented knurling. Knurling is implemented crosswise or tangential.
EFFECT: increasing of flow capacity of filter at winning of oil or gas.
6 cl, 12 dwg
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