Liaohe offshore oilfield has summed up experiences obtained from this cementing operation and developed the large-diameter self-filling floating shoe,resulting in simplified procedures,high efficiency and cost saving.
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- 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。