CA2451952
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  • 软件语言:简体中文 
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  • 软件地址: CA2451952    迅雷高速下载     
详细介绍
A method to drill a borehole is described. An aqueous based drilling fluid comprising of viscosifers, filtrate reducer and a polymer of diallyldimethyl ammonium chloride (poly-DADMAC) is used to stabilize a wellbore while drilling horizontally through coal.
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