The Used Mud and Prevented Mud and Water Loss during Drilling Coalfield
详细信息   
摘要
The paper mainly discusses the mud application during coalfield geologic drilling,the clay and different reagents are chosen and the mud constituents are mixed through experiment in the field.The right way of adjusted the mud property is describes.The phenomena of mud and water loss during coalfield drilling and the preventive used cement are expounded.
    
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