The float valve stabilizer is necessary tool in petroleum exploration and drilling engineering,. The float valve stabilizer is connected at upper part of drill bit, the float valve assembly in stabilizer is near the drill collar connecting thread and the float valve stabilizer also can be connected to the necessary position of drill string.
Technical parameters and specifications
| Type of stabilizer |
Stabilizer body O.D. (mm) |
Connection of
stabilizer |
Float valve
assembly O.D. (mm) |
Float valve
assembly I.D. (mm) |
| FWL442 |
 228 |
7 5/8REG |
121 |
76 |
| FWL310 |
203 |
6 5/8REG |
121 |
76 |
| FWL241 |
178 |
4 1/2IF |
98 |
71 |
| FWL214 |
159 |
4IF,4 1/2REG |
88 |
60 |
| FWL154 |
127 |
NC38,3 1/2REG |
74 |
54 | |
