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API drill tool circulating sub
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Product Details
| Place of Origin | Henan, China | Brand Name | Zhongshi | |
| Model Number | CS | Machine Type | Drilling Tool | |
| Certification | API | Material | Carbon Steel | |
| Processing Type | Forging | Use | Well Drilling |
Product Description
Description:
The Well drilling Circulating Sub is used to circulating drilling fluid while running casing or finishing of the casing running to do the mud circulation from the rotary hose directly to the casing of the downhole.Use:
1. The top of circulation head connects to the kelly, the bottom connects to the casing. It is used to circulate the cement slurry before cementing. Sometimes the cementing head can be replaced by lifting circulation head.
2. The top of circulation head connects to the hoses, the bottom connects to the casing.
3. Its upper end is drill pipe box or union, the nether end is casing pin. It is a crossover(X/O) with hollow inside.
4. Main body are made from AISI4145H alloy steel. there are circulating head with casing thread and circulating head with union thread(all size).
Specification:
Connection Type | I.D.(mm) | Overall Length(mm) | |
Male Connection | Casing Connection | ||
NC38 | 5" BTC | 57 | 500 |
5" LTC | |||
5" STC | |||
NC38 | 5 1/2" BTC | 57 | 580 |
5 1/2" LTC | |||
5 1/2" STC | |||
NC50 | 7" BTC | 71 | 600 |
7" LTC | |||
7" STC | |||
NC50 | 9 5/8" BTC | 71 | 620 |
9 5/8" LTC | |||
9 5/8" STC | |||
NC50 | 10 3/4" BTC | 71 | 670 |
10 3/4" LTC | |||
10 3/4" STC | |||
NC50 | 13 3/8" BTC | 71 | 670 |
standard packing 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.
Contact Us
- Puyang Zhongshi Group Co., Ltd.
- Contact nameMolly Wei Chat Now
- Phone86-371-87096211
- AddressHuayuan Road, Zhengzhou city, Henan, China, Puyang, Henan
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