| 摘要 |
FIELD: oil and gas industry. ^ SUBSTANCE: hinged wedge-shaped diverter includes diverting wedge, fixing mechanism of diverter in well, extension-type die and shearing bolt. Hinged assembly is installed in hinged wedge-type diverter between diverting wedge and fixing mechanism. It includes rigidly connected axis, rotation limiter of diverting wedge, which is installed on axis with possibility of oscillatory motion, in upper part rigidly attached to diverting wedge, and in lower part it is made in the form of cone not coaxial with diverting wedge, sliding retaining device equipped with taper bore, interacting with cone part of rotation limiter of diverting wedge at shear of shearing bolt. ^ EFFECT: best passing ability via well with small curvature radius. ^ 4 dwg |
