By describing the problem of new wellbore delineation in Bohai M Oilfield and analyzing the causes of the problem,the technical measures to prevent new wellbore delineation were emphasized from three aspects:drilling tool optimization,drilling node control,reverse drilling,and drilling down.This completely avoided the occurrence of new wellbore delineation in oil wells and has broad application prospects.
关键词
划出新井眼/钻具组合/预防措施/渤海M油田
Key words
draw a new wellbore/drilling tool assembly/preventive measures/Bohai M Oilfield