大管径固井是海上钻井工程中的一项特殊作业。辽河浅海油田在总结该项作业的基础上,研制出大管径自灌式浮鞋,简化了施工工艺,提高了工效,节约了费用。 Large diameter cementing is a special operation in offshore drilling engineering. On the basis of summarizing the operation, Liaohe Shallow Sea Oilfield has developed a large diameter self-filling float shoe, which simplifies the construction process, improves the work efficiency and saves the cost.