用于加重泥浆的新型泥浆净化器

• 机 构: 兰州石油机械研究所,
• 出 处: 石油钻采机械通讯
• 发表日期: 1977年05期
• 关键词: 泥浆 岩屑含量 钻井速度 钻头轴承 泥饼 卡钻 塑性粘度 钻柱 泥浆泵 泥浆比重

减少泥浆中的岩屑含量,可以降低塑性粘度,改良泥饼质量,延长钻头轴承和泥浆泵的寿命,并加快钻井速度。泥浆中的岩屑含量增多,通常都会导致较高的渗滤速度,增加泥饼厚度。厚泥饼使差异压力卡钻的问题更加严重,并使钻柱上的扭矩和阻力增加。矿场观察表明,泥浆质量可以由控制泥浆中的固体种类和含量而得到控制。

Reducing the cuttings content in the mud reduces the plastic viscosity, improves the quality of the mudcake, extends the life of bit bearings and mud pumps, and speeds up drilling. Increasing the amount of cuttings in the mud often leads to higher rates of percolation and increased cake thickness. Thick mudcakes add to the problem of differential pressure sticking and increase the torque and drag on the drill string. MINE observations show that mud quality can be controlled by controlling the type and amount of solids in the mud.