Heavy Weight Drill Pipe

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Heavy Weight Drill Pipe
Posting date : May 23, 2014
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84-
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FOB Price: US $1,700 - 2,500 / Ton Min.Order Quantity: 24 Ton/Tons Supply Ability: 700 Ton/Tons per Month Port: Tianjin,Qingdao,Shanghai Payment Terms: L/C,T/T Quick Details Place of Origin: Shandong China (Mainland) Brand Name: AUSCHIN Type: Drill Pipe,Drill pipe Machine Type: Drilling Tool Certification: API Material: High Manganese Steel Processing Type: Forging Use: Well Drilling Packaging & Delivery Packaging Detail: standard export bundle wrapped with strong steel strip or as customer's requirement Delivery Detail: 20-45 days after receiving the copy of L/C or prepayment Specifications 1)from 2-7/8" to 6-5/8" 2)AISI 1340 steel pipe and AISI 4145H or 4137H tool joints. The heavy Weight Drill Pipe (HWDP) was developed to provide a gradual transition from the drill collars to the drill pipe. This HWDP helps to prevent stress concentration at the top of the drill collar. It also allow drilling at higher rpms, reducing torque and differential pressure sticking. The HWDP is intended primarily for directional drilling. As it bends easily, it simplifies directional control and minimizes connection fatigue problems common to high-angle or horizontal drilling. The reduced number of pipe failures and increased drill-stem service also make HWDP appropriate for some straight-hole applications. Various combinations of HWDP, drill collars, and standard drill string can be created to meet the challenge of severe drilling conditions. We can supply integral HWDP from 2-7/8” to 6-5/8”. Also we can supply friction welded HWDP, which is assembled with AISI 1340 steel pipe and AISI 4145H or 4137H tool joints. Main parameters: No. Type Outside diameter Inch(mm) Inner diameter inch(mm) Tool joint Pipe body center wear pad Single Weight(kg) Connection Type Connection O.D Inch(mm) Center(mm) End area(mm) 1 ZH-JZ55-5 1/2 FH-1 5 1/2(139.7) 3 5/8(92.1) 5 1/2 FH 7(177.8) 152.4 144.5 730 2 ZH-JZ50-NC50-1 5(127) 3(76.2) 4 1/2 IF 6 1/2(165.1) 139.7 130.2 700 3 ZH-JZ45-NC46-1 4 1/2(114.3) 2 13/16(71.4) 4 IF 6 1/4 127 117.5 585 4 ZH-ZJ35-NC38-1 3 1/2(88.9) 2 1/16(53.39) 3 1/2 IF 4 3/4(120.7) 101.6 92.1 370

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