五使用刚性满眼钻具组合钻进时的防斜打直工艺(1)刚性满眼钻具组合中,所用大直径短钻铤及钻铤,其尺寸应符合设计要求。(2)扶正器应按设计的位置、只数、间隙值、类型,加入刚性满眼钻具组合中。(3)起出扶正器的外径,不论下、中、上扶正器,如比入井时小1.6毫米,应更换新的或修复后符 Anti-angled straightening process when rigid rigid eye drill combination is used for drilling (1) In the rigid eye drill assembly, the large diameter short drill collar and drill collar used should meet the design requirements. (2) Centralizer should be designed according to the location, number, the value of the gap, type, adding rigid eye drill assembly. (3) The outer diameter of the centralizer shall be taken out, no matter whether the lower, middle or upper centralizer is 1.6 mm smaller than that of the well, the new or repaired symbol shall be replaced