DEFLECTOR FOR RUNNING HORIZONTAL COLLECTOR Russian patent published in 1996 - IPC

FIELD: well drilling. SUBSTANCE: deflector for running horizontal collector includes tubular case with flexible skewing of one case end about well axis and support sleeve installed on another end of tubular case. Support sleeve is made in the form of hexagonal asymmetric sleeve. Flexible skewing is made in planes perpendicular to faces of support sleeve. The deflector has three characteristics providing three directions of force applying. Two directions are preset with support end of the deflector, and the third is preset by flexible end. Each direction is preset with one combination of support face and appropriate skewing. EFFECT: high efficiency. 3 cl, 7 dwg