Loading Port:Tianjin
Payment Terms:TT OR LC
Min Order Qty:10 set
Supply Capability:10000 set/month
1.Promotion short section is used for special tools during the drilling of oil, gas and geological exploration. The promotion short section of unitary structure is divided into 18 degree shoulder and 90 degree shoulder. You can choose the homologous promotion short section according to structural form of the lift sub when use it.
2.The size of Non-magnetic heavy weight drill pipe
Nominal size In(mm)
| ID (mm)
| Joint OD (mm)
| Chamfering diameter (mm)
| Joint length (mm)
| Joint thread
|
2⅞"（73） | 31.8 | 79.4 | 76.2 | 250 | NC23 |
44.5 | 88.9 | 82.9 | NC26 | ||
3½"(89) | 54.0 | 104.9 | 100.4 | NC31 | |
50.8 | 120.7 | 114.7 | NC35 | ||
68.3 | 127.0 | 121 | NC8 | ||
5"(127) | 71.4 | 152.4 | 144.5 | NC44 | |
158.8 | 149.2 | ||||
82.6 | 158.8 | 150.0 | NC46 | ||
165.1 | 154.8 | ||||
171.5 | 159.5 | ||||
5"(127) | 82.6 | 177.8 | 164.7 | NC50 | |
184.2 | 169.2 | ||||
196.8 | 185.3 | 300 | NC56 | ||
203.2 | 190.1 | ||||
5"(127) | 95.3 | 209.6 | 195.7 | 6⅝"REG | |
228.6 | 212.7 | NC61 | |||
241.3 | 223.8 | 7⅝" REG | |||
247.7 | 232.6 | NC70 | |||
254 | 237.3 | NC70 | |||
279.4 | 260.7 | NC70 |
4.Pictures
5.FAQ
We have organized several common questions for our clients，may help you sincerely：
①How about your company？
A world class manufacturer & supplier of castings forging in carbon steel and alloy steel，is one of the large-scale professional investment casting production bases in China,consisting of both casting foundry forging and machining factory. Annually more than 8000 tons Precision casting and forging parts are exported to markets in Europe,America and Japan. OEM casting and forging service available according to customer’s requirement.
②How to guarantee the quality of the products？
We have established the international advanced quality management system，every link from raw material to final product we have strict quality test；We resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.
③How long can we receive the product after purchase?
In the purchase of product within three working days, We will arrange the factory delivery as soon as possible. The pecific time of receiving is related to the state and position of customers.Commonly 7 to 10 working days can be served.
