Circulating sub KP
Main Features and Benefits
- Actuated at the next increase of hydraulic pressure in the annulus;
- Adjustable pressure triggering setting;
- Tool's components are plated or coated with phosphate.
Application
- Subsequent swabbing in two or more payzones;
- Equalization of pressure in the annulus and in the tubing;
- Chemical treatment of wax deposits.
Type
KP-NKT 73-114-52-35
KP-NKT 73-122-60-35
KP-NKT 73-136-60-35
Casing size (in / mm)
5 ½ / 139.7
5 ¾ / 146.1
6 ⅝ / 168.3
Valve size
OD (in / mm)
4.49 / 114
4.803 / 122
5.354 / 136
ID (in / mm)
2.047 / 52
2.362 / 60
2.362 / 60
Connection* (in / mm)
2.875 NU / 73.03
2.875 NU / 73.03
2.875 NU / 73.03
Length, in, no more than
29.33
29.61
32.13
Weight, lbs, no more than
57.32
61.73
88.18
Valve Opening Differential Pressure, psi
1015-1450
1015-1450
1015-1450
Working Pressure, psi
5076**
5076**
5076**
Total Flow Area of Side Ports, in²
2.17
2.56
2.91
Maximum temperature, °F
266 ***
266 ***
266 ***
** Working pressure rating may be increased to 7252 psi.
*** High-temperature (302 °F) model of the valve is available on request.
Higher performance valve available for hostile environments - K2 Model.
Other sizes of the valve are available on request