The author pays great attention to analysing the influence of the property of lubricating oil and the lubricating methods on the service life of the slush pump gear set and offers some suggestions about the improvement on the lubricating methods.

• 笔者着重分析了润滑油性质和润滑方式对钻井泵齿轮副寿命的影响,并提出了改进钻井泵润滑的若干建议。