
Oil drilling rod
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Basic Info
Place of Origin: | Hebei, China (Mainland) |
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Product Description
Product Description
Oil drilling rod Product Description Oil drilling rod is in accordance with API SPEC 5DP and SY/T5561-2008 Specifications. The steel grades are DZ50,R780,G105,S135 that are after partly or overall heat treatment. Technical specifications of Oil drilling rod
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About factory Established in 1975, Our factory is subordinated to Hebei Geology and Mineral Industries Department. As the designated production enterprise, Our factory specialized in manufacturing drilling equipment and auxiliary tools. It is a member of China Mining Association, vice chairman of the Geological and Mining Equipment Branch, a member of China Geological and Equipment General Corporation, a member unit of National Water Well Drilling Rig Information Network and a designated production enterprise of the General Reserve Department of PLA. Our factory has well equipped production equipment, strong technical strength, perfect detection methods, reliable product quality and advanced management concept. It has the domestic most advanced equipment, including the Numerical Controlled (NC) friction welding machine, drill pipe hammer forging and all-in-one tempering equipment. Besides, it is equipped with non-destructive testing (NDT), physical experiment, chemical composition analysis and metallurgical analysis apparatus.Our factory get the ISO9001 in 2009 and API certification in 2002 one after another, which becomes one of the API authorized enterprises in geological departments. Equipment for production: 
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Drill Pipe Diameter | Upset Type | RSC Model | Steel Grade | mm Wall Thickness | mm External diameter of upset end | mm Internal diameter of upset end | |
mm | in | ||||||
60 | 2 3/8 | EU | NC26 | DZ50,R780 | 6/7.11 | 65.1 | 46.10 |
EU | NC26 | G105,S135 | 7.11 | 65.1 | 39.67 | ||
73 | 27/8 | EU | NC31 | DZ50,R780 | 9 | 81.0 | 54.64 |
EU | NC31 | G105,S135 | 9.19 | 81.0 | 50.80 | ||
89 | 31/2 | EU | NC38 | DZ50,R780 | 10 | 98.4 | 66.09 |
EU | NC38 | G105,S135 | 9.35 | 98.4 | 63.50 | ||
114 | 41/2 | IEU | NC46 | DZ50,R780 | 8 | 127.0 | 92.00 |
IEU | NC46 | G105,S135 | 8.56 | 119.1 | 73.02 | ||
EU | NC50 | G105,S135 | 8.56 | 127.0 | 90.47 | ||
127 | 5 | IEU | NC50 | DZ50,R780 | 10 | 130.2 | 90.47 |
IEU | NC50 | G105,S135 | 9.19 | 130.2 | 90.47 | ||
139.7 | 51/2 | IEU | 51/2FH | G105,S135 | 9.17 | 144.5 | 96.82 |
168 | 65/8 | IEU | 65/8FH | G105,S135 | 9.19 | 176.2 | 135.00 |








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