论文信息 - Stability of drill strings in controlled directional wells

Stability of drill strings in controlled directional wells

We formulate the problem of theoretical simulation of the bifurcation buckling of drill strings in deep directional and horizontal oil and gas wells, and propose the procedure for its solution. The analysis is made of the critical states in drill strings for various values of the well inclination, axial velocities of drill string motion and rotation. The buckling modes of the bifurcation drilling are constructed.

V. I. Gulyaev | I. V. Gorbunovich

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