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Linepipe
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| Specifications |
114.3-1824 |
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To investigate the underground rock, underground water, oil, gas and mineral resources, use of drilling rigs drilling wells. Oil and gas exploration are inseparable from the wells, geological drilling charged with seamless steel pipe used in oil drilling is the main drilling equipment, including outside of the core, the core tube, stainless steel tubes, such as drill pipe. As with the drilling to go to Jiqianmi formation depth work, the working conditions are complex, bear pull the drill pipe, pressure, bending, torsion and uneven i***ct of load stress, but also by mud, rocks wear and therefore requires Tube must have sufficient strength, hardness, wear resistance and toughness, oil steel casing "DZ" (geology of the pinyin system prefix) plus a number of representatives of yield point, a common steel, 45 MnB DZ45, 50Mn ; DZ50 40 Mn2, 40Mn2Si; DZ55 40 Mn2Mo, 40MnVB; DZ60 40 MnMoB, DZ65 27 MnMoVB. Seamless tube heat treatment to all state delivery.
API SPEC5CT-1999 (casing and tubing norms), the American Petroleum Institute (American Petreleum Instiute, referred to as "API") prepared and disseminated by GM in the world. Of which: Oil Casing:Éì½ødrilling from the surface, as a wall lining the tubes, the tube through the coupling between connected. The main material for the J55, N80, P110, and other grades of steel, as well as anti-hydrogen sulfide corrosion C90, T95, and other grades of steel. Low grade (J55, N80) for Welded Steel Pipe
Oil Casing is an important equipment used in oil drilling, and its main equipment including drill pipe, casing and the core tube, drill collar and small-calibre such as drilling pipe used. Domestic steel casing to the geological drilling hot or cold-drawing made of steel, "geological" (DZ), the commonly used steel-casing has DZ40, DZ55, DZ753 species.
1. Use
Well drilling for oil.
2. Types by SY/T6194-96 "oil pipes" and the short thread casing collar and long thread casing collar and two.
3. Specifications and quality appearance
(1) of the domestic oil cracki |
| Company: |
Tianjin International Steeltube Trade Center
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| Contact: |
Ms. Wu Lily |
| Address: |
201,202 Room of No.2 Building, Jinmeijiang Steel Market in Dong Li Strict of Tian Jin |
| Postcode: |
300300 |
| Tel: |
86-22-24932208 |
| Fax: |
86-22-24933118 |
| E-mail: |
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