hole deviation meaning in English

井斜
钻孔偏斜
钻眼偏斜

18 you must consider the problem of hole deviation and you must do some maintenance work on traveling block today
你们今天必须考虑井斜问题，并对游车进行保养。呆会儿我将就此事向你作详细汇报。
In order to research the influences produced by sidetracking position , the primary hole deviation and azimuth of used wells on the primary section of the re - entry horizontal wells , it is necessary to consider the 3d trajectory design of the re - entry horizontal wells
为了考虑侧?点位置及老井的初始井斜、方位对侧?水平井起始段的影响，需要对侧?水平井进行三维轨迹设计考虑。