Products > APR Drill Stem Testing Tools

Slip Joint


Product Number: KW-DST-12 slip joint is an expansion and contraction compensating tool; operated by balancing its volume


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KINGWELL Slip Joint Features & Benefits: 
 
The slip joint is an expansion and contraction compensating tool, It accommodates any changes in string length caused by temperature and pressure during a downhole test. 
 
The slip joint has two distinct parts: an outer housing and a moving inner mandrel. 
 
A slip joint operates by balancing its volume. As the slip joint stretches and increases its internal volume, a differential piston within the slip joint allows the same volume of fluid into the pipe. The net result is no change in internal volume.
 
KINGWELL Slip Joint Technical Data: 
 
Nominal
Tool Size
in.
OD in. (cm) ID
in. (cm)
Thread
Connections
Temperature
F (*C)
Length
in. (cm)
Stroke
Length1   in.(cm)
Tensile
Rating lb (Kg)
Working
Pressure
psi (bar)
37/8 3.90
(9.91)
1.80
(4.57)
2 7/8 CAS 450
(232)
76.25
(193.68)
60.00
(152.4)
416,000
(188 689)
15,000
(1034)
5.00 5.03
(12.78)
2.28
(5.79)
3 7/8 CAS 450
(232)
76.25
(193.68)
60.00
(152.4)
416,000
(188 689)
15,000
(1034)
 
 
 
 
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