English | Spanish | |
---|---|---|
Petrol | ||
Petrol | square drill collar | tubo lastrabarrena cuadrado |
Petrol | fluted drill collar | lastrabarrena acanalado |
Petrol | drill collar sub | substituto del tubo lastrabarrena |
Petrol | straight taper rotary drill collar | collar-terraja fusiforme |
Energy | ||
Energy | drill collar clamp | collar de lastrabarrenas |