The drilling of lower channel sand bodies along the ridge of the nose-shaped uplift is successful, making Ge 7 to Hongtai 2 a continuous oil/gas-bearing area.
沿鼻隆脊部钻探低部位河道砂体获得成功，实现了疙7-红台2号含油气区的复合连片。
Swinging nose connection with the precision bearing branch structure makes the effect of cutting to be satisfying.
摆动机头连接精密轴承支座结构，使切割效果令人满意。
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