High-strength high-permeation sand filtering pipe suitable for highly-deviated and high-argillaceous well and preparation method
A technology of high-slope and sand filter pipes, which is applied in the manufacture of tools, welding equipment, earthwork drilling and production, etc., can solve problems such as uneven liquid discharge from oil well blastholes, failure to meet liquid extraction requirements, and irregular wellbore trajectory, etc., to achieve Improve the success rate of sand control, improve the anti-damage ability, and improve the effect of anti-scouring ability
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Embodiment 1
[0052] see figure 1 , the present invention provides a technical solution: a high-strength and high-permeability sand filter pipe suitable for high-inclination and high-shale wells, including:
[0053] A protective cover 7, the protective cover is provided with radially through sieve holes;
[0054] Also includes:
[0055] High-strength resin sand-retaining layer 3, the high-strength resin sand-retaining layer is provided with a support frame inside, the high-strength resin sand-retaining layer is tubular in overall shape, placed in the inner cavity of the protective cover, the outer wall of the high-strength resin sand-retaining layer and The inner wall of the protective sleeve forms an annular space.
[0056] Further, the supporting frame includes:
[0057] Supporting transverse ribs 4, the supporting transverse ribs are annular, and a plurality of them are evenly arranged from top to bottom;
[0058] The supporting longitudinal ribs 5 are provided with a plurality of su...
Embodiment 2
[0087] see figure 1 , the present invention provides a technical solution: a high-strength and high-permeability sand filter pipe suitable for high-inclination and high-shale wells, including:
[0088] A protective cover 7, the protective cover is provided with radially through sieve holes;
[0089] Also includes:
[0090] High-strength resin sand-retaining layer 3, the high-strength resin sand-retaining layer is provided with a support frame inside, the high-strength resin sand-retaining layer is tubular in overall shape, placed in the inner cavity of the protective cover, the outer wall of the high-strength resin sand-retaining layer and The inner wall of the protective sleeve forms an annular space.
[0091] Further, the supporting frame includes:
[0092] Supporting transverse ribs 4, the supporting transverse ribs are annular, and a plurality of them are evenly arranged from top to bottom;
[0093] The supporting longitudinal ribs 5 are provided with a plurality of su...
Embodiment 3
[0104] see figure 1 , the present invention provides a technical solution: a high-strength and high-permeability sand filter pipe suitable for high-inclination and high-shale wells, including:
[0105] A protective cover 7, the protective cover is provided with radially through sieve holes;
[0106] Also includes:
[0107] High-strength resin sand-retaining layer 3, the high-strength resin sand-retaining layer is provided with a support frame inside, the high-strength resin sand-retaining layer is tubular in overall shape, placed in the inner cavity of the protective cover, the outer wall of the high-strength resin sand-retaining layer and The inner wall of the protective sleeve forms an annular space.
[0108] Further, the supporting frame includes:
[0109] Supporting transverse ribs 4, the supporting transverse ribs are annular, and a plurality of them are evenly arranged from top to bottom;
[0110] The supporting longitudinal ribs 5 are provided with a plurality of su...
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