Used:
Float collar and float shoe are improved product developed by ourselves based on the modern technique inland and overseas. The inner component of the equipment is made up of drillable aluminium alloy, has the advantage of special configuration high tensity ,light, strong pressure bearing, and good air proof capability, can be applied widely. 

• Withstands long periods of circulation;
• Automatic fill-up, saves considerable running-in time of casing;
• Easy drill out with PDC bits;
• Special non-rotational groove design ensures cementing plugs dilled out quickly