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.

• 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。