Setelah batang bor menembus pit ked

Setelah batang bor menembus pit kedatangan hingga ujung mata bor terlihat maka batang bor ditarik kembali dengan posisi batang bor tetap berputar dan mata bor terpasang seling untuk menarik pipa casing.

Hasil (Inggris) 1:

After the drill rods penetrate the pit tip drill until the arrival of the eye look then drill rod is pulled back with a drill Rod fixed position rotating and intermittent eye drill attached to pull the pipe casing.

Hasil (Inggris) 2:

Upon arrival pit drill rod penetrates to the tip of the drill bit seen the drill rod retracted position and the drill rod fixed rotating drill bit attached alternately to pull the casing pipe.