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Round Mandrel Slip Joint is mainly used in FUL-FLO formation test, hook wall test, fracturing, acidizing operations in drilling pontoon. On this account, the center shaft expansion joint could compensate floating up and down in drilling pontoon and guarantee to set-down right amount of gravity in downhole tool. This joint can also be used in overland formation testing operation. It compensates pipe string elongation and contraction due to temperature and pressure changes. The joint can also connected to the lower end of multi-flow testing valve and provide free travel for testing valves switch.
Technical parameter
Specifications/” |
3-7/8” |
5” |
OD (mm) |
99 |
127.5 |
Drift OD (mm) |
45 |
57 |
Total length (mm) |
4688 |
4688 |
Amount of stretching(mm) |
1524 |
1524 |
Working pressure (Mpa) |
70 |
105 |
Working temperature (°C) |
-29~+177 |
-29~+177 |
Resistance to Tension (KN) |
870 |
1440 |
Internal Pressure Strength (Mpa) |
105 |
147 |
Outer Pressure Resistance (Mpa) |
100 |
137 |
Torque Strength (KN.m) |
10.5 |
24 |
Binding Screw Thread |
2-7/8” CAS & 2-7/8” EU |
3-7/8”CAS & 3-1/2” IF |
FYPE Rigid Machinery is one of the leading China manufacturers and suppliers in oil and gas industry. Our company now brings you high quality and competitive price round mandrel slip joint for sale, which is widely used in oilfield. And quick delivery is also offered, please be free to contact our factory.
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