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针对现有调偏光杆密封器存在的缺点和不足,研制了抽油井口自动纠偏光杆密封器。这 种密封器主要由纠偏部分、光杆扶正保护部分和盘根密封部分组成。纠偏部分球头的特殊结构使纠 偏与密封巧妙结合,密封器与光杆始终保持随动对中;专用盘根材料配方和光杆保护套的合理设 计,使光杆与盘根的摩擦系数降低,密封效果显著提高。现场使用证明,这种密封器质量轻,造价 低,使用寿命长,适用于所有抽油井口的光杆密封。
Aiming at the shortcomings and deficiencies of the existing polarizer rod sealer, a self-correcting polished rod sealer was developed. This sealing device is mainly composed of correcting part, light bar righting protection part and packing seal part. Correction part of the special structure of the ball so that the correct combination of correction and sealing, sealing device and the polished rod always follow the move; special packing material formula and the design of polished rod protective sleeve, the polished rod and packing friction coefficient decreases, the sealing effect Significantly increased. Field use proved that this sealer light weight, low cost, long life, suitable for all pumping wellhead polished rod seal.