Hardware & Tools
Description
IADC WOB(kM/mm) (Bit Dia) RPM(r/min) Applicable Formations
512 0.35--0.7 120-60
Soft formations with low compressive strength and high drillability,such as mudstone,gypaum,salt,soft shale ,soft
limestone,etc.
542 0.4---0.8 100-60 Soft medium formations with low compressive strength ,such as medium soft shale, medium soft limestone,
medium soft sandstone ,medium fomation with harder
and abrasive interbeds,etc.
612 0.5---0.9 100-60 Medium hard formations with high compressive strength,
such as hard shale,limestone, sandstone,dolomite,etc.
732 0.6---1.1 90-50 Medium to high abrasive hard formations such as hard
shale, hard limestone, sandstone,siltstone, basalt,
granite,quarts sandstone,hard dolomite,hard limestone,
pynte,etc.
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Beijing Leeding Importing and Exporting Trading Co., Ltd
Drilling bits, Tricone bits, PDC bits, drill for oil, about oil drilling, oil well drill
Address: Room 0221, building 11, No.1 yard, Wu li qiao second street, Chaoyang District, Beijing, China ,
Beijing, Beijing
China, 100024
Tel: 861057290815
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