API kelly cock
group nameWellhead Tools
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Min Order1 piece
modelkelly valve
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update timeMon, 08 Apr 2013 00:20:52 GMT
Paramtents
Processing Type Casting
Machine Type Drilling Equipment
kelly valve downhole tool
Type Other
Use Well Drilling
Certification API
Packging & Delivery
Min Order1 piece
Briefing
2.Standard: API Spec 7-1
3.Type: Upper kelly valve;Lower kelly valve
4.Working pressure: 35,7
Detailed
1. kelly cock
2.Standard: API Spec 7-1
3.Type: Upper kelly valve;Lower kelly valve
4.Working pressure: 35,70,105Mpa
Kelly valve / kelly cock/ kelly valve cock
Standard: API Spec 7-1
Type: Upper kelly valve;Lower kelly valve
Working pressure: 35,70,105Mpa
Usage:
Kelly Cock Valve (Kelly valve/drill pipe safety valve), which is manually operated ball valve run in the I.D of drill string, is one of effective tools for prevent from blowout. The Kelly cock valve is divided into upper Kelly cock and lower Kelly cock. The upper Kelly cock is connected between lower end of swivel and upper end of Kelly. The lower Kelly cock is connected between upper end of drill pipe and lower end of Kelly or connected between lower end of Kelly saver subs. The Kelly cock features a simple operation, the Kelly cock can be opened on or closed off by only turning the special operating spanner at 90 degree according to indicating direction. During drilling operation, in order to avoid serious well kick or blowout accident, the Kelly cock shall be connected at upper end and lower end of Kelly.
Detail Specification:
Technical specifications and parameters for Upper Kelly valve | ||||
Type | O.D.(mm) | Connection (LH) | I.D.(mm) | Working pressure (Mpa) |
U146 | 146 | 4 1/2 REG | 57.2 | 35, 70, 105 |
U197 | 197 | 6 5/8 REG | 76.2 | 35, 70, 105 |
U200 | 200 | 6 5/8 REG | 76.2 | 35, 70, 105 |
Technical specifications and parameters for Lower Kelly valve | ||||
Type | O.D.(mm) | Connection (LH) | I.D.(mm) | Working pressure (Mpa) |
L89 | 89 | NC26 | 30 | 35, 70, 105 |
L111 | 111 | NC31 | 40 | 35, 70, 105 |
L121 | 121 | NC38 | 44.5 | 35, 70, 105 |
L127 | 127 | NC38 | 44.5 | 35, 70, 105 |
L159 | 159 | NC46 | 61 | 35, 70, 105 |
L168 | 168 | NC50 | 71.4 | 35, 70, 105 |
L178 | 178 | NC50, 5 1/2FH | 71.4 | 35, 70, 105 |
