首页>
外国专利>
Dissolvable, variable-diameter metal sealing and fracturing bridge plug
Dissolvable, variable-diameter metal sealing and fracturing bridge plug
展开▼
机译:可溶性直径可变的金属密封和压裂桥塞
展开▼
页面导航
摘要
著录项
相似文献
摘要
A dissolvable, variable-diameter metal sealing and fracturing bridge plug includes a conical body internally provided with an axial hollow passage; a central connection shaft inserted into the hollow passage of the conical body; a slip movably installed on an external conical surface of the conical body; a tail base internally provided with two adjacent internal thread sections orderly reduced in diameter; a variable-diameter sealing ring made from a dissolvable metal and installed on a side of the slip that is close to the bottom of the conical body; and a variable-diameter supporting ring made from a dissolvable metal and installed between the variable-diameter sealing ring and the slip.
展开▼