The single/double valve float collar is installed above the float shoe. There is a one-way valve inside the float collar, which bears pressure in one direction and can control the bottomhole pressure.
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Specifications |
|||
Tubing Size |
Max.OD |
||
in |
mm |
in |
mm |
3 1/2 |
88.90 |
4.252 |
108.00 |
4.500 |
114.30 |
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4 1/2 |
114.30 |
5.250 |
133.35 |
5 1/2 |
139.70 |
6.050 |
153.67 |
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