PDC BITS FOR SURFACE HOLE DRILLING IN WESTERN SIBERIA
Oil companies engaged in oil and gas wells construction pay great attention not only to the quality of the wells drilled and put into operation, but also to the reduction of construction time. Increase of rate of penetration during drilling is the result of the hard work of all contractors involved in the construction of the well. This work consists of selecting the optimal bit (design, hydraulic power) and downhole motor (energy characteristics), as well as drilling practices, observing drilling mud parameters and effective operation of the cleaning system.