downhole motor的意思|示意
螺杆钻具
downhole motor相关短语
1、 straight-hole downhole motor 直井井下马达
2、 downhole motor drill 孔底动力钻机
3、 downhole motor drilling 井下动力钻具钻井,井底动力钻井
4、 steerable downhole motor assembly 可转向的井下马达钻具组合
5、 deflecting used downhole motor 井底动力钻具造斜
6、 downhole motor-pump 电潜泵
7、 downhole motor coring 井底动力钻取心
8、 articulated downhole motor 铰接式螺杆钻具