岩心钻探孔内事故的处理方法很多.处理一种类型的孔内事故,有时需要几种处理方法和多种打捞工具.这里谈的十种切铁钻头,有普通常用的,也有比较特殊的.“由于事物范围的极其广大,发展的无限性,所以,在一定场合为普遍性的东西,而在另一一定场合则变为特殊性.反之,在一定场合为特殊性的东西,而在另——定场合则变为普遍性.”因此,要根据孔内事故的具体情况来选用合理的处理工具.1.导正切铁钻头(图1) 是用于切灭阻 There are many ways to deal with an accident in a borehole drill hole. One type of borehole accident is sometimes dealt with, sometimes requiring several treatments and a variety of salvage tools. “Because of the extremely wide range of things, the unlimited development, so, in a certain occasion for the universal thing, and in another set of occasions becomes special. Conversely, in certain occasions for the particular things, and In other cases, the situation becomes universal. ”Therefore, according to the specific circumstances of the hole to choose a reasonable treatment tools .1 guide cut iron drill (Figure 1) is used to cut off the resistance