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四川地区套管头多采用心轴悬挂器结构，该种悬挂器下部靠１∶６锥度金属面加矩形橡胶环进行组合式密封，原理虽然可行，问题也就随之而生。１－套管头悬挂器密封问题分析①使用条件与理想状况有差异。设计为锥度密封在理想状态或套管头内很干净的情况下容易办到，井控队在库内
Squaring the head of the casing in Sichuan more than the use of spindle hanger structure, the lower part of the hanger by 1: 6 tapered metal surface plus a rectangular rubber ring combination seal, although the principle is feasible, the problem ensued. 1-casing head hanger seal analysis ① conditions of use and the ideal situation is different. Designed for taper sealing in the ideal state or casing head is very clean, easy to do, well control team in the library