| Customization: | Available |
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| After-sales Service: | 3 Years |
| Warranty: | 24moths |
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The Circulating Sub is connected between wellhead pipe string and ground circulating system. When casing is running or completed, the circulating sub can be connected to provide fluid circulation.
According to the application, circulating sub is connected between Kelly and casing or between casing and a hose.
Construction
The circulating sub during running casing is equipped with casing pin thread on one end and DP thread, DP box thread or union thread on the other.
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Specifications - Circulating Sub With Drill Pipe Thread Specifications - Circulating Sub With Hammer Union Thread
Tianhe principle is to offer high quality products at competitive price to benefit our customers and the industry in the long run.
We are the Leading manufacturer in China since 1973 for drilling /fishing /milling equipment for oil and gas.
We have established a complete quality control system, all products& equipments manufactured as per international standard and API standard.
Competitive Advantages
1. We offer high quality products at competitive price.
2. Shortest delivery time & Flexible payment terms.
3. Full range of drilling /fishing /milling equipment for oil and gas.
4. Timely after-sale service.
5. Imported International brands Machines such as Japan Mazak machining center, Austria WFL machining center etc
6. Complete quality control system, offices and testing equipment.
Dear customer,
Thanks for your time of visiting us on made in china, if you have any further questions and needs, please kindly inform us by inquiry online or contact us by below information.
We look forward to your kind reply, thanks very much.
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