一种高温高压一体式光杆密封器的研制

A High Temperature High Pressure Integral Polished Rod Sealing Device Development

目前,抽油井上更换盘根时,多采用注胶式盘根盒进行井口密封,这种密封方法固然有效,但自动补偿密封能力差,耗时长、劳动强度大,而且密封盒内的密封胶要依靠抽油机带动光杆硬启动来解除密封,注胶次数越多,密封胶碎屑随液流运移,极易堵塞油嘴,影响原油生产。一种新型的高温高压一体式光杆密封器可以解决上述问题。它采用金属密封件进行井口密封,只需将压盖拉紧即可更换密封件,耐高温高压、耐腐蚀。操作简单、方便。

At present, we tend to use plastic injection packing boxes to seal the wellhead. The sealing method is certainly effective, but the automatic compensation sealing ability is poor. In addition, the sealing method is labor-intensive and time-consuming. And the sealant inside the sealed box rely on pumping hard drive starts to lift the rod seal. With the increase of the times of injecting glue, the migration of debris flow sealant easily clogs the nozzle, which has negative effects on oil production. A new type of high temperature and pressure integral rod sealing machine can solve these problems, it uses metal seals for wellhead seal Seal can be replaced simply by tightening the gland, it is high- temperature resistant and high-pressure resistant. Meanwhile, it is corrosion-resistant. Besides, the operation is simple and convenient.