Anti-pressure anti-torsion high-strength V-groove self-cleaning sand-proof screen pipe
一种防砂筛管、高强度的技术,应用在开采流体、井眼/井部件、土方钻采等方向,能够解决抗压、抗扭和强度不高等问题,达到提高使用寿命、增加强度的效果
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[0023] The base pipe 2 is connected by the coupling 1, and the base pipe 2 is provided with a round through hole in the axial direction, and a filter assembly is fixed in the round through hole on the base pipe 2, and the outer diameter of the base pipe 2 is covered with a protective sleeve 3.
[0024] The filter assembly of the present invention is welded on the base pipe, then welded with a protective cover, and then connected with a collar to be connected to the lower end of the oil pipeline for oil production.
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