提高深井钻井速度的几种技术

SEVERAL TECHNIQUES USED TO IMPROVE DEEP DRILLING SPEED

综述了国外近期深井钻井实践，探讨了深井钻井中深井钻井模拟技术、优化设计技术、近平衡钻井技术、钻头选型技术，应用井下动力钻具提高钻速技术，使用顶部驱动系统和随钻测量系统技术，深井钻井液技术和建立钻井分析及指挥中心等可行性技术，同时指出了我国深井钻井技术应开展的主要工作。

This paper provides an overview on a series of feasible deep drilling related techniques,including deep drilling simulation technique,optimizing design technique,near-balanced drilling technique,bit selection technique,improving penetration rate by using downhole power drills tool,top drive system and MWD system technique,deep well drilling fluid technique etc.,and points out researching direction of future deep well drilling technology in China.