Abstract: With the further exploration and development of the oil field, stratigraphic structure of the encountered formations becomes more and more complex.

• 摘 要： 随着油田勘探开发工作的不断深入，所钻遇的地层构造越来越复杂，由于井斜问题，造成钻井施工速度缓慢，特别是高陡构造的防斜打快问题更是钻井技术中的难点和热点。