大港采油一部研制了两种新型特种捞头,即外加厚型和大喇叭口形。使用这种捞头可以解决偏心堵塞器不到位、在管内偏斜、向导向体侧孔通道两侧稍歪而捞不着等问题。这两种捞头试制成功后,已在17口井、105井次见到成效。不仅提高了注水合格率,而且减少了作业费的开支,为国家节约上万元。 Dagang oil production has developed two new special fishing head, that is, thicker and large bell-shaped mouth. The use of such a fishing head can solve the eccentric plug is not in place, skew in the tube, to the side of the guide hole on both sides of the side channel slightly crooked and can not fish and so on. After the successful trial of these two fishing heads, we have seen the results in 17 wells and 105 wells. Not only improve the passing rate of water, but also reduce the cost of operating expenses for the country to save tens of thousands of dollars.