4 1/2" inch S135 Oil Drill pipe of API5DP ? More information: ? ? Features:
1. Strictly according to API 5DP standard?
2. Yield strength: Min 931Mpa
3. Tensile strength: Min 1000Mpa
4. Pipe body material: High quality alloy seamless pipe of S135
5. Tool joint: 4137H
6. Thread treatment: Phosphorization or copper plating
7. Suitable for water well, geothermal well, gas well, oil well
8. Safe drilling depth: Within 4,000 meters ? ? Certification:
1. ISO?9001:?2008
2. API 5DP-0011 ? 3. GOST No.: 1739641

? Packing detail: ? 1. The drill pipes will be packed into bundles as 3x3, 3x4, 4x4 etc. and loading into containers after black painting and thread protectors installation. 2. For 20’ container, the max loading weight is 21 metric tons 3. For 40’ container, the max loading weight is 27 metric tons 4. Usual loading port is Xingang port in Tianjin, main port in north of China ? Drill pipe quality control: ? a) Before order to be confirmed, the raw material of pipe body and tool joint should be booked from famous big steel enterprises in China ?b) Raw material’s size, quantity, length, mechanical property are checked by our QC staff and factory own laboratory c) Every drill pipe has nondestructive inspection , cleaned and thread oil before packing. d) Before delivery clients could send one QC or point the third party to check the quality such SGS, BV or others ? Drill pipe usage notes: ? 1. New drill pipe should be pasted thread oil before connection 2. Make up and break at least 3 times before drilling 3. Hard bending and plastic coating can be processed according to clients’ special requirements ? 1.Pipe body process ? 2.Tool joint process ? 3.Friciton welding ? 4.QC ? Packing process ? ? Service for oilfield worldwide: Today,our?products?not?only?sold?to?domestic?oilfield?in?North?China,Daqing,Jilin,Changchun?and?so?on,but?also?exported?to?France,Canada,India,Kazakhstan,Turky,Chile,Argentina,Egypt,Sudan,Iran,UAE,South?Korea,Ukraine,Russia,Uzbekistan,Singapore,Australia?and?so?on. ? *Longway is professional production of drilling tools, ?if you want to know more?about?our products, pls feel free to contact us.?