| |||
picker | |||
gadder; pitching-borer; drill | |||
pitching jumper; hand-churn drill | |||
jumper bit; jumper drill | |||
pitching jumper; pitching borer | |||
jumper (короткий бур) | |||
starting borer; gad picker | |||
starting bit | |||
gad; borer; collaring bit; short borer; sinker; pitching borer; starting barrel (укороченная колонковая труба) | |||
jumper; starter; Burster |
забурник: 3 phrases in 1 subject |
Oil / petroleum | 3 |