A horizontal well directional sand blasting perforation fracturing integrated tool string and construction method
A technology of sand blasting perforation and tool pipe, which is applied in the direction of drill pipe, casing, production fluid, etc. It can solve the problems of directional perforation and incomplete introduction of downhole tools, etc., and achieves reliability, simple structure, and replacement effect on structural flexibility
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[0036] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.
[0037] Such as figure 1 , figure 2 , image 3 and Figure 4 As shown, a horizontal well directional sandblasting, perforating and fracturing integrated tool string includes a safety joint 1, a first centralizer 2, a first swivel joint 3, a hydraulic sand blaster 4, a second swivel joint 5, and a second swivel joint 5. Second centralizer 6, packer 7, collar positioner 8 and guide shoe 9, safety joint 1, first centralizer 2, first rotary joint 3, hydraulic sand blaster 4, second rotary joint 5, second The centralizer 6, the packer 7, the collar positioner 8 and the guide shoe 9 are arranged horizontally and coaxially in the casing, the safety joint 1 is arranged at the left end of the tool string, and the guide sh...
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