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
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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: I need regular manufacturers' agents (with authorized certificates and large scale agents)
- I am Nanjing Yi million strong bearing Co., Ltd. (Jiangyin Office)I am mainly responsible for regional sales in Jiangyin, Zhangjiagang, Jingjiang and so onWe are regular dealers. Here are our certificate of authorization.
- Q: What's the bearing fillet of the 7003C? Do other bearings have the same fillet?
- Angular contact ball size and chamfer can be downloaded by gb/t292 queryEach type of bearing has a GB definition, outline size and chamfer, and you can search for the use of GB
- 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: CAT can Carter's bearings be replaced by other brands?
- Bearings as standard parts, unless special customized bearings, naturally different brands can replace each other;However, you have not heard of the bearing brand, you can consult the SKFFAGNSK agent to check whether there is a product specification
- Q: What else does the sleeve do in it? What other auxiliary small parts do they need besides the sleeve?
- Standard installation method: the bearing heating, the use of thermal expansion and contraction principle, installation time and effort, delaying bearing life, knocking bearings will destroy the bearing accuracy, coordination clearanceTeacher craftsman installation method: no fixed tools, sleeve, hammer, basic equipmentSpecial tips on what tools are for
- Q: Is there any difference between plain bearings and other bearings?
- The biggest difference between the sliding bearings is linear motion, and the other bearings do circular motion.
- Q: What are the advantages of ceramic ball bearings versus other bearings?
- 1, insulation bearings;2, light weight, less heat, you can have higher working limit speed.
- Q: Characteristics of cross roller bearings
- Cross roller bearings, with the inner and outer ring divided into, roller and interval retainer, and cross roller collar fixed together, separated from each other to prevent the installation of cross roller collar simple operation. Because roller cross arrangement, so only 1 sets of cross roller collar can withstand various direction load, compared with the traditional model, increase the rigidity of 3~4 times. At the same time, because the cross roller bearing inner ring or outer ring is a two division structure, the bearing clearance can be adjusted, even if the preload is applied, high precision rotary movement can be achieved.1, with excellent rotation accuracyThe internal structure of cross roller bearings is made of 90 degrees vertical cross arrangement of rollers,The roller is provided with an interval retainer or an isolating block, which prevents the tilting of the roller and the grinding between the rollers. In addition, the phenomenon of side contact or locking of the roller can not occur; at the same time, because the inner and outer ring is a segmented structure, the clearance can be adjusted, and even high-precision rotation can be obtained even if the preload is applied.2. Simplify the operation and installationThe outer ring or inner ring divided into 2 parts is fixed together after the roller and retainer are mounted, so the installation is very simple.3, bear larger axial and radial loadBecause the rollers are arranged perpendicularly to each other on the rolling surface of the V groove on a 90 degree angle.
- Q: How are the double seal bearings and other pattern bearings on the specifications and models?
- Bearing type codeImports of bearings commonly used type code (refers to the beginning of the model numbers or letters, such as 6200, 6 is the beginning of deep groove ball bearings, NU, NJ for cylindrical roller bearings):Self-aligning ball bearing - 1;
- Q: How about the quality? Have informed friends to help refer to
- It should also be right, and they had 2 small, they are looking for with the goods, the boss looks like Shandong, pretty cool gas.This one?
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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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