| Customization: | Available |
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| After-sales Service: | Repair |
| Warranty: | One Year |
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API 7-1 Oilfield Standard drill collar Washover Pipe connection joint Drive Sub
The sub joint plays a major role in connecting the upper and lower drilling tools in oil, gas, and geological drilling operations. In addition, the adapter is also used for circulating drilling fluid to ensure smooth fluid flow during the drilling process. Our company can provide various forms and sizes of conversion joints according to customer requirements, ensuring smooth conversion of drill string between drilling tools of different depths and diameters.
Dongying TIANRUI PETROLEUM Technology Co., Ltd., established in November 2003 and located in the Dongying Economic Development Zone, is an investment project in Dongying City. It is mainly engaged in the research, design, manufacturing and technical services of oil drilling and workover tools. The company consists of six departments and two workshops, namely the design department, the quality inspection department, the market operation department, the comprehensive department, the technical service department, the financial department, the processing workshop and the assembly workshop. It possesses rich R & D and design capabilities as well as manufacturing capabilities in oil drilling and workover tools.
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