Foamed-nickel-based silicon alloy sand preventing device and manufacturing method thereof
A technology of foamed nickel and sand control, which is applied in earth-moving drilling, production of fluids, wellbore/well components, etc., can solve the problems of poor oil wettability, affecting the permeability of foamed nickel metal mesh, affecting the flow of oil liquid, etc.
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[0149] The base pipe 1 of the foamed nickel-based silicon alloy sand control device of the present invention consists of a φ73mm pipe, and the upper and lower ends of the base pipe 1 are equipped with 27 / 8 〃 Thread, 172 φ12mm through holes evenly distributed in the middle 1.0m, flow area 1.94dm 2 The φ4.5mm spiral support ring 3 is welded on the middle surface of the base pipe 1, and the foamed nickel-based silicon alloy sand control sleeve 4 is installed on it. Its working principle is that the oil liquid flows into the underground sandstone layer through the foamed nickel-based silicon alloy sand control sleeve 4, and the mesh diameter of the nickel-based silicon alloy sand control sleeve 4 prevents sand particles of a certain size in the oil liquid from passing through, and the oil liquid passes through the spiral The spiral channel of the support ring 3 enters the inner cavity of the base pipe 1 through the φ12 hole on the surface of the base pipe 1, and flows upward. Unde...
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