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| Item No | Describation of goods | Quan. | Unit | | 01 | 13 3/8''OD seamless steel,Grade L-80,68 IB/Ft,BTC Threaded and coupled. Length Range III | 48000 | meter | | 02 | 13 3/8''Casing Nipple,Grade L-80,68 IB/Ft,BTC pin X pin,3 M long | 28 | No | | 03 | 13 3/8''Casing Pup joint,Grade L-80,68 IB/Ft,BTC theaded and coupled, 6M long | 8 | No | | 04 | 13 3/8''Casing Pup joint,Grade L-80,68 IB/Ft,BTC theaded and coupled, 3M long | 8 | No | | 05 | Casing coupling for 13 3/8''Casing4 m; \1 n8 p9 g$ A# @' Z
| 10 | No | | 06 | API casing drift for 13 3/8''Casing ,compelete with draw eyes at both ends | 4 | No |
* _( y7 w ]1 y# l7 x3 U8 ]
2 V4 J% g+ n, I- ?# k3 Y0 R1 T* q请问一般石油套管都是怎么理论计算重量？ 还是采用 =(外径-壁厚）*壁厚*0.02466
( O' ^+ A/ A1 I: p: C另外我看到 L80钢级 有三种类型 1,9Cr,13Cr,
2 v' A9 i- F& i% R8 g1 b5 x一般什么情况下才采用9Cr,13Cr? |
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发表于 2010-6-9 09:24:27