Push-to-Ride Full Rotation Pilot Tool
A rotary steerable, full-rotation technology, applied in directional drilling, drilling equipment, drilling equipment and methods, etc., to achieve the effect of simple tool structure, simple structure and convenient installation
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[0018] The present invention will be further described below in conjunction with accompanying drawing:
[0019] See attached figure 1 , the push-to-type full-rotation guide tool is composed of a centralizer mechanism, a guide actuator, and a spline cardan shaft mechanism. The front end of the guide actuator is connected to the spline cardan shaft mechanism, and the rear end is connected to the centralizer mechanism; The device mechanism includes a locking ring 1, a snap ring 2, a variable diameter block 3, and a centralizer main body 4. After the variable diameter block 3 is welded on the snap ring 2, the assembly is installed on the centralizer main body 4, and the lock is used to The tight ring 1 is locked and fixed, and the snap ring 2 is composed of left and right parts. The left and right parts are connected together through rectangular teeth. When the rotary steering tool is guiding drilling, the variable diameter block 3 contacts the well wall to realize the function of...
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