The test results on wire line diamond drilling in Xiaoqinlinggold ore field of Western Henan and using prospects of the system are discussed in this pa-per.
讨论了该系统在豫西小秦岭金矿田绳索取心钻进应用试验效果及前景。
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。
With 20 years'production practice, the writer proposes the methods of improving the service life of wire - line impregnated diamond drilling bits from 8 aspects.
通过近二十年的生产实践，从胎体配方等八个方面提出提高绳索取芯孕镶金刚石钻头寿命的方法。
With 20 years'production practice, the writer proposes the methods of improving the service life of wire - line impregnated diamond drilling bits from 8 aspects.
通过近二十年的生产实践，从胎体配方等八个方面提出提高绳索取芯孕镶金刚石钻头寿命的方法。
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