The main purpose of bow spring centralizers is to keep from the gap reasonable, to ensure the quality of the well, so as to achieve good sealing effect.
1, The whole centralizer has no welding knot, no rivets and strong structure.
五百亿彩票官网2, Both the power and the reposition force are in accordance with the API standard.
五百亿彩票官网3, The installation is convenient.
五百亿彩票官网4, with swirling film, it can improve the displacement efficiency more effectively.