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Drilling Fluids Selection and Lost Circulation Control Technology in Jinchang Gold Mine
详细信息   
摘要

This paper introduces the drilling fluids and lost circulation control technology applied in Jinchang gold mine, and takes an example of diamond wire-line coring drilling well(ZK-0003) to illustrate the high efficiency, low cost and stable hole wall. The drilling fluid system had good effect of caving prevention and lost control with strong adaptability and suitable viscosity; the formed thin mud-cake was dense and tough, with which low carrying capability and serious water loss were solved in small diameter wire-line coring drilling.

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