| Customization: | Available |
|---|---|
| After-sales Service: | 24/7 |
| Warranty: | 12 Months |
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Kelly valve also named Kelly cock or drill pipe safety valve. It is a hand control valve in drill string circulating system and it is one of the effective tools to prevent blowout. Kelly valve is divided into Upper Kelly Valve and Lower Kelly Valve. Upper Kelly Valve is connected between swivel sub and Kelly. Lower Kelly valve is connected between lower end of Kelly and top of drill pipe or lower end of Kelly save sub. Rotating the wrench of full opening safety valve 90° to realize on and off. In the drilling operation, in order to avoid malignant accidents, Kelly valves should be connected to both end of Kelly to prevent loss of drilling flid and blowout. Kelly cock valve, which is a manually operated ball valve run in I.D of drill string, is one of effective tool for preventation from blowout.
The kelly cock is divided into upper kelly cock valve 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 operationg spanner at 90 degrees according to indicating direction. During drilling operation the kelly cock shall be connected at upper end and lower end of kelly.
|
Model
|
OD mm (inch)
|
Conn.
|
ID mm (inch)
|
Working Pressure (MPa)
|
|
XS86
|
86(3 3/8)
|
NC26
|
30(1 3/16)
|
35, 70, 105
|
|
XS111
|
111(4-3/8)
|
NC31
|
40(1 37/64)
|
35, 70, 105
|
|
XS121
|
121(4 3/4)
|
NC38
|
44.5(1 3/4)
|
35, 70, 105
|
|
XS146
|
146(5 3/4)
|
4-1/2REG LH
|
44.5(1 3/4)
|
35, 70, 105
|
|
XS168
|
168(6 5/8)
|
NC50
|
71.4(2 13/16)
|
35, 70, 105
|
|
XS178
|
178(7)
|
5-1/2FH
|
71.4(2 13/16)
|
71.4(2 13/16)
|
|
XS197
|
197(7 3/4)
|
6-5/8REG LH
|
76.2(3)
|
35, 70, 105
|
Xi′an BOBAN Oil Tools Co., Ltd. Make & Supply a full line of equipment for O& G, horizontal directional drilling (HDD), micro-tunnelling, pipe jacking, etc, In O& G section, we can supply drilling rig component, downhole drilling tools, fishing tools, tubular handling tools, well control equipments, drilling fluid mixing & Recycling system, solid controling equipments and other relevant oiltools,
All our products are API certified, and we are also authorized by ISO: 9001-2000. With advanced production facilities, rigorous quality management, and the joint efforts of our experting staff, Boban has been qualified vendor for many renowned companies in Italy, Germany, Poland, UAE, Kuwait, Egypt, & South East Asia, etc since its establishment in 2018. And obtained a good reputation among the offshore customers as well as other industrial clients.
With our reasonnal prices, quick reaction, high quality products and deliver anywhere on time as well as superior service, Boban has stablished good cooperation relationship with many well-known customers in the world, and also wish to have the chance to work with more and more customers from all over the world!
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4. What is your order delivery time?
We understand that time is of the essence when it comes to your projects, which is why we strive to deliver all orders as quickly and efficiently as possible. Our delivery times vary according to the size and complexity of the project, but we always strive to meet your deadlines and exceed your expectations.
5. Can I modify the order after placing it?
Yes, we understand that changes or modifications are sometimes required and we are happy to accommodate them where possible. If you need to modify your order in any way, simply contact us to discuss the changes and we will do our best to make them happen.
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