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蜡是原油中的一种成分,当原油沿油管流出时,温度、压力都降低,蜡从原油中分离出来,很容易粘在油管壁上,严重时会影响油井正常生产,因此需要经常清除。本文归纳了油井结蜡的影响因素及常见清蜡、防蜡措施,详细介绍了各种清蜡防蜡的工艺,并且收集了现场数据,做了防清蜡数据对比。最后对各种清防蜡工艺的优缺点进行了评价对比。
Wax is a component of crude oil, when the crude oil flows along the tubing, the temperature and pressure are reduced. The wax is separated from the crude oil and easily sticks to the wall of the oil pipe. If it is severe, it will affect the normal production of the oil well. Therefore, . This paper summarizes the influencing factors of oil well waxing and the common methods of waxing and wax prevention. The various waxing and wax removing technologies are introduced in detail, and field data are collected. Finally, the advantages and disadvantages of various paraffin removal techniques were evaluated and compared.