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Help CenterAPI Standard Kelly Cock Valve/ Kelly Valve
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Description
The Kelly cock valve is a manually operated ball valve run in the I. D of drill string, it is one of effective tool for prevention from blowout. The Kelly cock valve is divided into upper Kelly cock valve and lower Kelly cock valve. 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 degrees 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.
Specification
Upper Kelly Cock
Type |
O.D. (mm) |
Thread connection (LH) |
I.D. (mm) |
Max.sealing pressure(Mpa) |
XS 146 |
146 |
4 1/2 REG |
50 |
68.6 |
XS 200 |
200 |
6 5/8 REG |
76.2 |
68.6 |
Lower Kelly Cock
Type |
O.D. (mm) |
Thread connection |
I.D. (mm) |
Max.sealing pressure(Mpa) |
XS105 |
105 |
NC31 |
41.3 |
68.6 |
XS121 |
121 |
NC38 |
50 |
68.6 |
XS127 |
127 |
NC38 |
50 |
68.6 |
XS165 |
165 |
NC46 |
61 |
68.6 |
XS178 |
178 |
NC50 , 5 1/2FH |
71.4 |
68.6 |
Wooden Case or as requested
Other products supply:
1. pumping unit
2. Tubing pump/sucker rod pump and accessories
3. Float collar and float shoe
4. Casing centralizer
5. Cementing plug
6. Cementing head
7. Stage Collar
8. Casing/ Tubing coupling
9. Drill pipe
10. Sucker rod
11. Thread protector
12. Air blaster
The predecessor of Henan Puyang Zhongshi Group Co. Ltd, was the 5th Machine Repairing Factory of Puyang Zhongyuan Oil field, Sinopec Corp. In 1997, after being restructured according to the modern corporate system, the factory was named Puyang Zhongshi Group Co.,Ltd.
With registered capital of 60,840,000 yuan, Puyang Zhongshi Group is composed of 9 subsidiaries, including 8 manufacturers and 1 trade company. Zhongshi Group covers an area of 200,000 sq.m, including workshop area of 50,000 sq.m. Various kinds of production equipment values 38,600,000 yuan. It has a strong mechanical processing capability.
Our leading products are pumping unit, tubing pump & sucker rod pump, cementing accessories, down-hole tools, wellhead (X-mas tree), drilling solid control series, pressure vessel ,camping house, air cannon, belt feeder and so on. They are mainly supplied to Central Asia, Southeast Asia, Africa and Middle East and many other countries.
Zhongshi Group has been the Tier One internet service provider of Sinopec. We passed ISO9001 quality management system certification and got approved to use API monograms on its oil machineries. So far, we have attained API 5CT, API 10D, API 11AX, API 11E and more are applying for.
With strong technical backup, reliable product quality, advanced marketing regime and good service system, this company wins popularity and recognition of vast consumers home and abroad.
We would like to faithfully cooperate with friends from all circles with classic products and service to achieve common development.
Send Inquiry to This Supplier
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