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金剛石鉆頭唇面形狀
半圓形
Full Round
適用于硬巖,鉆頭唇面增加了金剛石量,鉆進(jìn)速度高
Higher diamond content in the bit face.higher penetration rate.and suitable for drilling hard rocks.
圓弧形
Semi-round
適用于硬-硬巖,鉆頭唇面金剛石分布良好,能適應(yīng)少量破碎。
Even diamond distribution in the bit face,suitable for drilling medium-hard and hard rocks.or a little broken and loose formations.
平底形
Fiat
用于孕鑲鉆頭,適用于各種不同硬度和磨蝕性巖層。
For impregnated diamond bit oniy,suitable for drilling hard abrasive rocks.
底噴形
Bottom Discharge Design
適用于沉積巖、變質(zhì)巖等含粉礦較多的巖層,避免巖心過量沖蝕,得到高百分比的取芯率。
Suitable for drilling sedimentary or metamorphic formations containing more powder mineraiw with high core recovery percentage,and no excessive core washout.
階梯形
Stepped
適用于中硬巖層,破碎巖層,破碎與完整交錯(cuò)巖層,可防止孔斜。
Suitable for dr drilling medium-hard,broken or interbedded formations, hoie deviation can be prevented.
錐形
Tapered
適用于軟至中硬巖層,鉆進(jìn)速度高,強(qiáng)度比階梯形好。
Suitable for drilling soft and medium-hard formations with high penetration rate.
尖齒形
Serrated Profile
適用于堅(jiān)硬致密巖層,鉆進(jìn)速度高。
Suitable for drilling hard dense formations with high penetration rate.
交叉形
Staggered Concentric Profile
適用于堅(jiān)硬致密巖層,在低壓下有較高的鉆進(jìn)速度。
Suitabie for drilling hard dense formations with high penetration rate under low bit weight.
齒輪形
GearWheel
適合于堅(jiān)硬致密巖層,鉆進(jìn)速度高。
Suitabie for drilling hard dense formations with high penetration rate.
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