Буровая труба JT25 HDD
9 612,56 ₽
Сохранить в закладки 1601168942004:
Item | Value |
Bearing Type | Rubber Sealed Journal Bearing |
Cutting Structure | Tungsten Carbide Inserts |
Inner and Nose Rows- Scoop | |
Gauge Row- Chisel | |
Gauge Bevel Protections- Flat | |
LEG/Shirttail Protection | Hardmetal and Ovoid Insert |
IADC Code | Applicable Formation | Normal WOB kN/mm | Rotary speed (RPM) r/min |
637 | Hard formation with high compressive strength, such as sandstone, limestone, dolomite and anhydrite, marble | 0.5~1.2 | 80~40 |
537 | Soft to medium formation with low compressive strength, such as mid-soft shale, mid-soft limestone, mid soft sandstone and medium formation with harder abrasiveness interbeds | 0.45~1.0 | 120~50 |
517 | Soft formation with low compressive strength, such as mudstone, gypsum, salinastone, soft shale and soft limestone | 0.35~1.0 | 140~60 |
417、437 | Extremely soft formation with low compressive strength and high drill ability, such as clay, mudstone, cretaceous, gypsum, salinastone, soft shale and soft limestone | 0.35~0.9 | 150~70 |
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