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:1.6 of the two case K2 rear wheel bearings are the same as the other K2?
- I would like to ask whether you have seen bearing down bearing types and brands,
- Q:What model is used more? What are the prospects for development? Does the price have an advantage?
- There are many manufacturers of this kind of bearings, mostly in ShandongShandong bearing price is very strong, quality is guaranteedInterested, contact information to see personal data
- Q:Yoyo how can I wash the bearings without gas?. What other materials can I use?
- Thinner, acetone, chloroform, banana water, kerosene.
- Q:FAG bidirectional thrust angular contact bearing 234416M.SP can be replaced by other manufacturers?
- Japan NSK Code: 80TAC20XLJapan NTN code name: 562016SKF code name: 234416TN9/SPDomestic HRB Code: new code name: 234416. Old code name: 2268116
- Q:Bearings radial, in addition to the location of contact with the box, there is no other way?
- 2. the outer ring of the bearing outer ring of the bearing outer ring is arranged in the outer hole of the outer shell, and the inner side of the outer hole of the outer shell generally has the position of the shoulder fixed bearing, and the other side is positioned with an end cover, a thread ring and a hole, and an elastic ring ring. (1) the end cover positioning end cover is used for all kinds of radial bearings and angular contact bearings. When the bearing speed is higher and the axial load is larger. The end cover is positioned and pressed with a screw to compress the outer ring of the bearing, and the end cover can also be made into a labyrinth sealing device. (2) thread ring bearing high positioning speed, axial load, not suitable for use under the condition of end cap positioning, available thread ring positioning radial bearing and thrust bearing, this can be used to adjust the axial clearance of the bearing. (3) the axial position of the elastic ring positioning method is small, the installation and disassembly are convenient, the manufacture is simple, and the utility model is suitable for bearing smaller axial load places. An adjusting ring is added between the bearing and the spring, so that the axial position can be adjusted conveniently. (4) the deep groove ball bearing with a stopping groove on the outer ring of the bearing can be fixed by the retaining ring. This type shall be used when the inside of the housing hole cannot be machined because of the condition limit, or the part must be reduced in outline size
- Q:In engineering practice, for needle roller bearings, usually axial positioning is the same as other bearings?
- Needle bearing features are axial can not bear the load, so the operation of the axial direction of the bearing no force, radial installation slightly tight can be, the axial need not limit
- Q:when the ball bearings bear the equivalent dynamic load doubled, how will the bearing life changes? When other conditions are constant, how will the life of the bearing change when the speed of the ball bearing is doubled?
- The dynamic load increase or decrease is not the main reason for the bearing's life, so far there is no specific formula can be called out and life ratio, the main reason is that determines the life, life = rated speed * * unit unit time temperature / time * temperature value is not completely accurate, anyway and environment. The temperature, the length of time, there is relationship between static and dynamic load!
- Q:I want to use laser displacement sensor to measure the displacement of the slider. I hope the master will recommend a sensor.
- Are you using them on machine tools? If so, I know that the jack sensor has something for you. You can look them up at their website first.
- Q:Must the axle neck fit with the bearings? Is there anything else you can use? Or nothing?
- Not necessarily, depends on the use of configuration, the shaft should generally be equipped with bearings, fixed shaft does not match the bearings..AskIs the rotating shaft, must use bearings? What else can I use in Dingxi?Chasing the answerThe support of the rotating shaft must be the bearing, and the bearing is no more than two kinds of rolling bearings and sliding bearings.
- Q:why the inner ring of a knock on the broken, and other small manufacturers desperately not broken, is the material problems or other reasons? The hardness is about the same. LYC62 another 63. How can this be explained? Seek expert advice!
- May not be annealed, hard, dryPay attention later
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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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