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Application:
Use the flap valve automatic fill slurry shoe, during the casing operation ,the slurry flow into sleeves automatically reduce the casing time minimize the impact on the floor. Before casting ball ,and good for circulation anytime it will not advance the case of conversion
Characteristics
1,Product specification 4 1/2″-7 5/8″.
2,in the small dimension sleeves to use this product will reduce the casing significantly when the impact of the formation
3,Product button type currently only API oval buckle
4,When the inclination is larger than 25°needing a falling ball release mechanism.
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5,Significantly reduce role in the formation of emotional stress can shorten the time of casing.
6,Special cut structure make flap valve keep open ,this cut structure of both good seals and easy to cut control
7,PDC drill or roller bit could drill
Main technology index
Function parameter | |||||||
applicable dimension of sleeves | tools | ||||||
External diameter | weight | External diameter | length | Self filling hole | Cycle hole | Diameter of fall ball | Conversion pressure |
in | lbs/ft | in | in | in | in | in | psi |
5 1/2 | 17.00-23.00 | 6.050 | 10.75 | 0.810 | 1.750 | 1.500 | 800-600 |
6 5/8 | 20.00-32.00 | 7.390 | 12.25 | ||||
7 | 23.00-38.00 | 7.660 | 12.50 | ||||
7 5/8 | 26.40-47.10 | 8.500 | 12.75 | ||||
Flap Valve Float shoe