The coupling step of cementing MSC

The clutch is designed for the communication and subsequent hermetic separation of the internal space of the casing in the annular space in the implementation of the second stage of cementing. Coupler equipped with locking plugs (hereinafter – tube locking) intended for closing the circulation holes.

 

 

The main parameters of the coupling step of cementing MSC

The main parameters of couplings
Values
Legend equipment
MSC-114
MSC-146
MSC-168
1
Diameter of connecting thread ATM according to GOST 632-80, mm
114
146
168
2
Outer diameter no more, mm
139
194
203
3
Inner diameter without a drillable seat, not less, mm
96
128
148
4
 
Drillable inner diameter of the saddle, mm
86
114,5
134
5
Differential pressure to open the circulation holes, MPa
from 14 to 20
6 Step (discrete) of the installation opening pressure, MPa 1,0
1,0
1,0
7
The differential pressure for closing the circulation holes, МPa, no more
15
12
12
8
Length, no more, mm.
320
410
485
9
Weight, no more, kg
20
40
45

 

Parameters and dimensions of the locking tube MSC

 

The main parameters of the tubes
PSC
PSC-114
PSC-146
PSC-168
1
The outer diameter of the rubber parts, not more, mm                              
102
135
155
2
The outer diameter of the metal parts, not more, mm
92
119
138
3
Length, mm
210
240
250
4
Weight, kg
3
5
7
 
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