Hydraulic centralizer
Hydraulic centralizer is mainly used for tool strings or part of the tool string is centered in the oil casing. The bow spring blade of the hydraulic centralizer is usually in a contracted state, and when the string needs to be righted, the bow spring is unfolded through the ground pressure and the tool string is righted.
Classification:
Detailed Description
Hydraulic centralizer is mainly used for tool strings or part of the tool string is centered in the oil casing. The bow spring blade of the hydraulic centralizer is usually in a contracted state, and when the string needs to be righted, the bow spring is unfolded through the ground pressure and the tool string is righted.
●Large range of righting;
●Pitch the ball and cut the tee to establish a fully open circulation channel;
●The adjustment spring designed at the lower end of the hydraulic centralizer can protect the spring sheet well
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performance parameters |
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tool outer diameter |
minimum inner diameter |
righting range |
thread specifications for the upper and lower fittings |
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（in） |
(in) |
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1.687 |
0.510 |
111/16”-61/2” |
1”AMMT |
|
2.125 |
0.750 |
21/8”-7” |
1.5”AMMT |
|
2.250 |
21/4”-7” |
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2.700 |
0.937 |
23/4”-81/2” |
|
|
3.125 |
31/8”-8” |
23/8”PAC |
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