Test device for the sedimentation drag coefficients of drilling cutting particles
A technology of drag coefficient and particle settlement, which is applied in the direction of analyzing materials and instruments, can solve the problems that the shape description factor is too simplified, does not consider the direction of settlement, and cannot finely distinguish the shape of particles, so as to improve the prediction accuracy
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[0035] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiment is only one embodiment of the present invention, not all embodiments . Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0036] Such as figure 1 As shown, a test device for the settling drag coefficient of cuttings particles includes a simulated wellbore 1, a high-speed camera 2, a data collector 3 and a computer 4.
[0037] The simulated shaft 1 is a cylindrical structure with a closed bottom and an upper opening, made of transparent materials (such as glass, plastic), 1 meter high and 0.2 meters in diameter. The simulated wellbore 1 also includes a drain valve 5 lo...
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