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随着近几年风城油田稠油开采的步伐加快,SAGD井数量也在逐年增加。由此带来的长期注汽和生产而造成的注汽与生产闸门泄漏、开关不灵活等问题也很突出,严重影响正常生产和维护保养工作。鉴于这种情况,新疆油田公司工程技术公司组织人员,经过方案论证,完成了带压换闸门设备的研制和实验工作,并在风城油田一口井上成功应用。在实际应用中,该装置实现了带压更换闸门,不但缩短了施工周期,还大大降低了施工风险和作业成本,收到了较好的经济效益。
With the acceleration of heavy oil recovery in Fengcheng oilfield in recent years, the number of wells in SAGD is also increasing year by year. The resulting long-term steam injection and production caused by steam injection and production gate leakage, the switch is not flexible and other issues are also very serious, seriously affecting the normal production and maintenance work. In view of this situation, Xinjiang Oilfield Company Engineering and Technology Company personnel, through the program demonstration, completed the development of equipment with pressure switch gate and experimental work, and successfully applied in a well in Fengcheng Oilfield. In practical application, the device realizes the gate with pressure replacement, which not only shortens the construction period, but also greatly reduces the construction risk and the operating cost, and receives better economic benefits.