Fluids of well corrupt badly drilling tools because it belongs to gas (mainly air), liquid (salt formation water, liqud additivies), solid (drilling cuttings, sands) multiphase blending flow, with sands and drilling cuttings abrasion and erosion.
在空气钻井中，井下流体多属气（主要为空气）、液（含盐地层水、外加液体添加剂）、固（钻屑、砂子）多相混合流动的复杂状态，其腐蚀性强，此外，还有地层砂子和钻屑对钻具的磨蚀和冲蚀。
参考来源 - 空气钻井中钻具腐蚀与防护及其机理研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Establish the force model formula of drilling cuttings.
建立了钻屑颗粒的受力模型表达式。
Drying method of cuttings can make much influence on fluorescence analysis of crude oil contained in drilling cuttings.
岩屑荧光录井中含油岩屑的干燥方法不同，对原油荧光分析具有哪些影响?。
Drilling cuttings dispersion is controlled and the penetration rate is improved because of the better performance of the solid control equipment.
能抑制钻屑分散，有利于发挥固控设备效率和提高钻井速度；
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