Method for preventing blockage through vibration in directional drilling process of horizontal well
A technology for directional drilling and horizontal wells, which is applied in vibration generating devices, earthwork drilling, wellbore/well components, etc., which can solve the problems of high adhesion, difficulty in lifting, sticking and other problems on the lower well wall, so as to avoid sticking Effect
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[0008] Such as figure 1 As shown, the horizontal well deflection drilling tool assembly is composed of a drill bit 1, a power drill tool 2, a drill collar and a drill pipe 3, and a drill tool 6. A vibration prevention method that can be used in the directional drilling of horizontal wells. The method steps are as follows: install one or more sets of vibration tools 4 on the upper part of the drill collar and drill pipe 3 in the horizontal well deflection drilling tool assembly, and install an anti-seize centralizer 5 on the upper part of the vibration tool 4 at the same time.
[0009] It is understandable that the above specific description of the present invention is only used to illustrate the present invention and is not limited to the technical solutions described in the embodiments of the present invention. Those of ordinary skill in the art should understand that the present invention can still be modified or modified. Equivalent replacement to achieve the same technical ef...
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