EXPERIMENTATION RESEARCH OF IMPROVING THE DRILLING RATE OF ZHANANUOER OILFIELD

For the sake of as early as possible realizing 1 target that one drilling machine could drill three wells per year in the Kazakhstan Zhananuoer oilfield,this text considers that the key to increase the drilling speed is increasing the drilling speed of ?215.9mm segment on the base of collecting and analyzing the information of 70 wells and researching the performance of drilling ability of stratum and the excellent choosing of bit.Twice local experimentaion has been processed at KT-1 covering floor and KT-2 covering floor in 3500 well,and penetrating speed has been increased great high.This text considers that it is possible to increase great high the penetrating speed of Zhananuoer oilfield and realize drilling more well after adopting down-hole motor and turntable compound drilling technique and concerting good high effect PDC bit and high speed roller bit.