Показано, что добыча сланцевого газа производится из скважин с горизонтальными стволами специальными техническими средствами, инструментами и технологическими приёмами. Приведена конструкция усовершенствованного фрезерного ...

The new core lifter for marine drilling is considered. The especially of this lifter is effective work by percussion and rotary drilling.

Here is a consideration of a new instrument for the elimination of accidents during the core drilling, which provides impact action on the stuck pipe and disconnecting the drill string.

There are consideration the question of the designing profile directional wells with employment of computer’s technology.

Here is proposition of an improved drilling technology over the mining openings with widening and fixation of the rocks.