11 Drill the 36” hole with seawater, pumping 4~6 cubic meters high viscosity slugs for one string.
11 Drill the 36” hole with seawater, pumping 4~6 cubic meters high viscosity slugs for one string.
在36英寸井眼用海水钻进，每钻一个立拄泵入4～6方的稠泥浆进行清扫。
11 Drill the 36” hole with seawater, pumping 4~6 cubic meters high viscosity slugs for one string.
在36英寸井眼用海水钻进，每钻一个立拄泵入4～6方的稠泥浆进行清扫。