Hole opener 16'' ÷ 32” BM3GVX
- kod iadc: 435
- srednica: 6'' ÷ 32”
- typ_lozyska: roller, sealed
- struktura_traca: very soft tungsten carbide inserts
- zbrojenie_segmentow: hirttail hardfacing and tungsten carbide inserts
- wielkosc_i_typ_polaczenia:
Up: pin 7-5/8 Reg
Down: box 7-5/8 Reg Total length ~1910 mm
Cutting structure with very long widely spaced, chisel-shaped inserts and cone axis offset against center line of the tool ensure very high penetration rate. Designed for drilling in long intervals of very soft poorly compacted shales, sandstones, clays, salts and soft limestones.
