Lifting sub used for special tools during the drilling of oil, gas and geological exploration
- Ref Price:
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- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 set
- Supply Capability:
- 10000 set/month
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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.
- Q: Isn't it the middle question or the other question? I'm looking for glfore to do the test. Did anyone do that?
- Possible in the middle. There may be other problems. You can try with them. Excellent
- Q: Are there any differences between bearings used on fans and other ordinary bearings?
- If the model is the same, it makes no difference.From the point of view of the category, there are more taper and more heart in the gearbox;
- Q: What does 7 represent? What does the rest represent? If 7 is changed into other numbers, what does it represent?
- B stands for angular contact bearings with an angle of 40 degreesE stands for internal design and has been optimizedCB represents the universal set of single row angular contact bearings in the face, back to back, clearance for ordinary group
- Q: Feroform what bearing material, metal or nylon, or anything else?
- Stand erect, stand firm, stand erect, erect, written, erect, erect
- Q: 1.6 of the two case K2 rear wheel bearings are the same as the other K2?
- if we can determine the type and the brand can determine the price, in addition to bearing high precision machinery products, try not to buy Taobao, best buy through formal channels....
- Q: What's the other size of the outer diameter 15?
- First of all, the outer diameter of 15 bearings, bearings, several kinds, such as deep groove ball bearings, needle roller bearings, cylindrical roller bearings, tapered roller bearings, and so on, followed by. Bearing bore is not the same, in addition, the bearing width is not the same. You can refer to the third edition of the mechanical manual
- Q: In addition to NSK and KOYO, what are the other four major bearing producers in Japan?
- NSK in Japan bearing is the largest share of the domestic market after the Swedish SKF, NTN and Koyo other than NSK.
- Q: What are the world bearing giants?
- International bearing giants:Sweden: SKF (SKF group)Germany: INA/FAG (Schaeffler group)United States: TIMKEN (The Timken Company)Japan: NSK (Nske) NTN (NTN) KOYO (Guang Yang) NACHI (fujikoshi)NMB (Mei Beiya) THK (main line, unit FYH (bearing) main bearings etc.).The Swedish SKF company was founded in 1907, in the rolling bearing sector is the world's leading supplier, experience and professional skills of the bearing and bearing unit, seal, lubrication system, electromechanical integration and service five platform with its more than 100 years, SKF has become a knowledge-based company. In 2007, SKF sold more than SEK 58 billion 500 million.The German Schaeffler Group owns three brands: INA, FAG and LuK, are rolling bearings and linear motion products leading manufacturer, supplier of automotive industry is also well-known engine, gearbox, chassis applications of high precision products and systems. The group represents a high degree of customer focus, exceptional innovation, and highest quality standards. The group has about 74000 employees worldwide, with more than 180 branches in more than 50 countries, with sales of about 10 billion 700 million euros in 2011. This makes the Schaeffler group one of the largest family business groups in Germany and europe.The Timken Company was founded in 1922, operating range: aviation, construction, medical, heavy industry, machine tools, consumer goods, energy and industrial equipment. Wuxi solid Chinese sales agent TIMKENTIMKEN bearing inner ring bearings Co. Ltd., TIMKEN bearing outer ring, roller bearing TIMKEN, TIMKEN bearings, TIMKEN bearings accessories, TIMKEN bearing, TIMKEN metric 3000 series. The The Timken Company set up eight technical centers
- Q: Why are the front fork bearings of the GY6 so difficult to buy, smaller than others?
- GY6 pedal motorcycle, in addition to the crankshaft on the right side of the starting driven gear, there is a reverse Taiwan screws, other screws include the front fork, each screw is thread.
- Q: What is the cause of a large bearing vibration of a turbine and other bearings?
- There is a lot of vibration in a single bearing, and it needs to be analyzed in combination with the data on the disk. I hope you find out the reason at an early date.
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Lifting sub used for special tools during the drilling of oil, gas and geological exploration
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 set
- Supply Capability:
- 10000 set/month
OKorder Service Pledge
OKorder Financial Service
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