8 3/4 'фрезерные трехколесные долота IADC 437/447/517/537/547 с герметичным подшипником для бурения скважин
88 742,00 ₽ - 105 381,13 ₽
Сохранить в закладки 1601251340643:
NO. | IADC | Formation | Reaming shell | |||||
Frecommend parameters | Outside Diameter | |||||||
WOB KN/mm | RPM r/min | Inches | mm | |||||
1 | 116、117/115 | 0.35~0.8 | 150~80 | Extremly soft formation with low compressive strength and high drillability,such clay,mudstone,cretaceous | 2.36 | 59.95 | ||
2 | 216、217/216 | 0.4~1.0 | 100~60 | Soft to medium formation with low compressive strength,such as mid- soft shale,mid -soft limestone,mid-soft sandstone and soft formation with hard interbeds | 2.98 | 75.7 | ||
3 | 417、437、415 | 0.35~0.9 | 150~70 | Soft to medium formation with low compressive strength,such as mid soft shale,mid -soft limestone,mid-soft sandstone and soft formation with hard interbeds | 3.783 | 96.09 | ||
4 | 517、527/515 | 0.35~1.0 | 140~60 | soft formation with low compressive strength,such as mudstone, gypsum,salinastone,soft shale and soft limestone | 1.89 | 48.01 | ||
5 | 537、535 | 0.45~1.0 | 120~50 | 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 | 2.36 | 59.95 | ||
6 | 617、615 | 0.45~1.1 | 90~50 | Mid-hard formation with high compressive strength,such as hard shale, limestone,sandstone,and dolomite | 2.36 | 59.95 | ||
7 | 637/635 | 0.5~1.2 | 80~40 | Hard formation with high compressive strength,such as hard sandstone, hard limestone,dolomite and anhydrite,marble | 2.98 | 75.7 | ||
8 | 737/735 | 0.6~1.3 | 70~30 | Hard formation with high abrasiveness,eg.hard limestone dolomite, blaize,flint etc. | 2.98 | 75.7 |
Новинки товаров от производителей по оптовым ценам