wire-line coring drilling tool 绳索取心钻具
diamond wire-line coring drilling 金刚石绳索取心钻进
wire-line coring diamond drilling 绳索取心金刚石钻进
The wire-line directional drilling and coring technology can take cores and drill directionally without using down-hole motors.
绳索取心技术因其钻进效率高而广泛应用，但其无法实施定向作业。
Diamond wire-line coring drill is a kind of widely used drilling technology with the advantages of high quality, efficiency and economic.
金刚石绳索取心是一种高效优质、快速经济、应用广泛的钻探技术。
While drilling in arid water shortage area or in thief zones pump pressurized foam drilling technology may used in wire-line coring.
在干旱缺水矿区或漏失地层中钻孔时，可选择水泵增压装置泡沫钻进工艺用于金钢石钻进绳索取心。
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