发明名称 WELL STRAINER
摘要 FIELD: oil-and-gas industry.SUBSTANCE: device comprises filtration sections, each comprising filtration jacket provided with lengthwise rods with end rings rigidly secured at base element composed of perforated tube. Filtration jacket is composed of lengthwise round rods and ring-like stiffness ribs. Said lengthwise rods are rigidly and coaxially secured at edges of stiffness ribs and end rings. Stiffness ribs are arranged between end rings with allowance for filtration section length. Note here every filtration section is mounted at separate base element. Metal gauzes are rigidly fitted in tube every hole with mesh size increasing from tube outside to its inside. Minimum mesh size is larger than clearance between lengthwise rods.EFFECT: simplified assembly, higher reliability.3 dwg
申请公布号 RU2499130(C1) 申请公布日期 2013.11.20
申请号 RU20120119609 申请日期 2012.05.11
申请人 OTKRYTOE AKTSIONERNOE OBSHCHESTVO "TATNEFT'" IMENI V.D. SHASHINA 发明人 FAJZULLIN ILFAT NAGIMOVICH;NABIULLIN RUSTEM FAKHRASOVICH;GUSMANOV AJNUR RAFKATOVICH;GUBAEV RIM SALIKHOVICH;SADYKOV RUSTEM IL'DAROVICH
分类号 E21B43/08 主分类号 E21B43/08
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