8米，而抽油机基础又高出地面一段距离，并且具有一定的宽度，现有的修井钻台不能跨跃基础摆放，必须拆除基础才能进行大修作业。
8 meters, while the foundation tower above the ground a certain distance and have a certain breadth, workover drill floor cannot span the foundation to set down.
其独特的想法、施工和自制工具的成功应用对今后大修井作业具有很高的参考价值。
The particular thought and successful application of operation and man-made tools have a good reference for later repairing well job.
本实用新型可广泛应用于油田各种修井中的大修、小修作业。
The utility model can be applied to operations of major repair and minor repair in various workover of the oil field.
新配套或大修后第一次组装的井架，起放井架作业应在厂方的指导下完成。
Operation of lifting or laying down a new mast or overhauled mast shall be carried out under the instruction of the manufacturer's representative.
新配套或大修后第一次组装的井架，起放井架作业应在厂方的指导下完成。
Operation of lifting or laying down a new mast or overhauled mast shall be carried out under the instruction of the manufacturer's representative.
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