Float valve
stabilizer is effective tool in drilling operation. The stabilizer is connected
at upper part of drill bit, and the float valve assembly in stabilizer is near
the bit thread. Such structure of stabilizer can realize the automatically
shutting off inside bore of tool to avoid the accident.
Main Technical Parameter
Stabilizer Type |
Stabilizer Body O.D. (mm) |
Stabilizer Thread |
Float Valve Assembly O.D. (mm) |
Float Valve Assembly Length (mm) |
FV711 |
228 241 |
7-5/8 REG |
121 |
298.4 |
FV588 |
228 241 |
7-5/8 REG |
121 |
298.4 |
FV444 |
228 241 |
7-5/8 REG |
121 |
298.4 |
FV311 |
203 209.6 |
6-5/8 REG |
121 |
298.4 |
FV241 |
178 |
4-1/2 IF |
98 |
247.6 |
FV214 |
178 165 |
4-1/2 REG |
88 |
211.14 |
FV152 |
127 121 |
3-1/2 REG |
61 |
165.1 |