Thee main products are: all kinds of diamond drill bits, PDC bits, casing boots, reaming, single and double tube wireline coring drilling, coring drill pipe, casing and other drilling tools.
主要产品有：各类金刚石钻头、复合片钻头、套管靴子、扩孔器、单双管绳索取芯钻具、绳索取芯钻杆、套管及其它钻探工具。
PDC bits have been used to drill the homogeneous formation from soft to medium-hard, but they are not suitable for drilling in gravel and multi-interbedded formation.
PD C钻头用于软到中硬的均质地层钻进具有钻速高、寿命长等特点，但不适合含砾石地层和软硬交错地层。
The operation performance of PDC bits with screw drill tool appplied now in oilfield were analyzed comprehensively.
用螺杆钻具组合实施煤矿工程孔定向钻进时，钻头侧向力是其主要力学特性。
The operation performance of PDC bits with screw drill tool appplied now in oilfield were analyzed comprehensively.
用螺杆钻具组合实施煤矿工程孔定向钻进时，钻头侧向力是其主要力学特性。
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