Engineering Commons^™

Properties Of Mud Cake Associated With Silica Shale Powder Intrusion Into Drilling Fluid, Mo Dingqiang, Sun Pinghe, Zhao Binkui, Wang Jingyuan, Zhang Shaohe, Cao Han

Coal Geology & Exploration

Drilling fluid is very important for maintaining the stability of the hole wall in shale drilling. The mud cake formed by the fluid loss also plays a decisive role in protecting the reservoir. In order to study the influence of shale rock powder intrusion into low-solid-phase drilling fluids on the basic properties of mud cakes, the paper selects the siliceous shale powders in northwestern Hunan as the research object, and designs orthogonal experiments. In addition, the test results are analyzed using variance and range, which show that the content of rock powder is the main factor affecting the thickness of …