我队工作地区钻孔弯曲严重，曾用过多种纠斜方法，效果都较差。用偏重活动纠斜器，虽然简便，但把握性不大；下死楔子丢在井里往往留有后患。去年下半年以来，我队广大革命职工，在毛主席革命路线指引下，在钻探的实践中，研究试用了一种简便 Drilling holes in our team’s work area have been severely bends. Various methods of correcting skew have been used and the results are poor. With emphasis on activity correction device, although simple, but little grasp; the next dead wedge left in the well often have troubles. Since the second half of last year, a large number of revolutionary workers and staff of our team, under the guidance of Chairman Mao’s revolutionary line and in the drilling practice, have tried and tested a simple