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一、前言泥浆泵是钻机的心脏,为适应我国石油工业飞速发展的需要,实现快速钻井,推广喷射式强化钻井工艺,要求泵在高压条件下工作,但目前泵的液力端各密封部位尚不能承受高压,泵压超过120大气压时密封部位就容易产生刺漏等现象,泵的易损件寿命低。据胜利油田临盘地区统计,活塞寿命一般为30～50小时;盘根寿命为10～20小时;阀的寿命为50～100小时;缸套垫寿命只有几小时到几十小时。因而,经常需要停泵修理,一
I. INTRODUCTION The mud pump is the heart of the drilling rig. In order to meet the needs of the rapid development of China’s oil industry, rapid drilling and popularization of jet-type drilling technology are required. The pump is required to work under high pressure conditions. However, Can not withstand high pressure, pump pressure exceeds 120 atmospheres when the sealing parts are prone to puncture and other phenomena, the wearing parts of the pump low life expectancy. According to Shengli Oilfield Linpan area statistics, the piston life is generally 30 to 50 hours; packing life of 10 to 20 hours; valve life of 50 to 100 hours; cylinder liner life of only a few hours to dozens of hours. Therefore, often need to stop pump repair, one