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     整體三螺旋、四螺旋穩(wěn)定器分為井底型和鉆柱型，其工作表面的耐磨材料即扶正面）有常用表面鑲嵌硬質(zhì)合金柱、有表面鑲嵌金剛石復(fù)合體、有堆焊耐磨焊條、還有低溫釬焊硬質(zhì)合金條等多種形式。

Hardfacing

HF 1000

Crushed tungsten carbide held in a nickel bronze matrix. The

3 mm grain size ensures greater concentration of carbide

which is ideal for soft formation drilling.

Sections through hardfacing.

HF2000

Trapezoidal tungsten carbide inserts held in a sintered carbide

nickel bronze matrix. This will give a greater depth of carbide

coverage – ideal for high deviation drilling in abrasive

formations.

Sections through hardfacing.

HF 3000

Tungsten carbide inserts set in a powder spray deposit ideal

for abrasive formations. 97% bonding guaranteed, certified by

ultrasonic report. Recommended for non- magnetic stabilizers.

Sections through hardfacing.

HF 4000

Tungsten carbide inserts (button type). The inserts have been developed to allow cold insertion and maintain close fit. A greater concentration of inserts on the bottom third of the blade and leading edge will increase surface contact to reduce wear in highly abrasive formations.

Sections through hardfacing.

HF 5000

This oxy-acetylene process applies tough molten carbide particles of varying sizes held in a nickel chrome matrix which provides excellent bonding properties and greater surface ear characteristics are achieved. Surface hardness levels over 40 HRC. Idear for GEO-THERMAL applications over 350°

Sections through hardfacing