Drilling hole slanting question is a quite complex question in the drilling technology.Hole curving is a difficult technical problem and a formidable matter regarding us which is urgent to solve.

• 孔斜问题,在钻探技术上是一个比较复杂的问题,孔斜这一课题对于我们是一个重要而又迫切需要解决的技术难题。