X-over sub for for conversion and connection of drill stem component in petroleum
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 set
- Supply Capability:
- 10000 set/month
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OKorder Financial Service
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1.Xover sub acts for conversion and connection of drill stem component in petroleum, natural gas and geology drilling work. It is one of the main tools in connect the upper tool and the bottom Hole. It is used mainly for connecting of upper drill tools and lower drill tools during drilling operations when upper and lower buckle type failed to connect during drilling operation.
2.Features:
3. The basic structure of the X-over sub
Variety | name
| Upper link
| Lower link
| Type
|
1 |
| Kelly
| Drill pipe joints
| A or B A或B |
2 | drill pipe Cross-over sub
| Drill pipe joints
| Drill pipe joints
| A or B A或B |
3 | Transition Cross-over sub | Drill pipe joints
| drill collar
| A or B A或B |
4 | drill collar Cross-over sub
| drill collar
| drill collar
| A or B A或B |
5 | Borehole Cross-over sub
| drill collar
| drill collar
| A or B A或B |
6 | Faucet Cross-over sub
| Faucet
| Kelly bar
| C A或B |
7 | Salvaging Cross-over sub
| Kelly
|
| C
|
Drill pipe joints
| Fishing Tools
| C |
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:Is there any difference between plain bearings and other bearings?
- Bearings are nothing more than sliding bearings and rolling bearings, sliding bearings without moving coil, a shaft directly contact the shaft, the shaft will be worn, rolling bearings can roll the moving coil, and the shaft is connected, the shaft will not wear.
- Q:22318CA are there any other bearings that can be used instead?
- If it is imported, it can be replaced by domestic product. However, there are still some differences between the quality and the import. It depends on what equipment you use.
- Q:What are the five types of bearings? Like F~G...? What else? Who knows?
- 6 categories: angular contact ball bearings, four point contact ball bearingsThe 7 category: tapered roller bearingsThe 8 Category: thrust ball bearings9 category: thrust roller bearingsPure hand-made, adopt landlord
- Q:How about the quality? Have informed friends to help refer to
- Now the general trading company bearing all brands are suppliers, this is not how I know, but SKF if done well, other brands should also have good suppliers, you can make a phone call to ask their company.
- Q:What does 7 represent? What does the rest represent? If 7 is changed into other numbers, what does it represent?
- This is a model of SKF bearings7 represents the bearing type as angular contact bearing3 represents the width class0 stands for size class8 represents the bearing inner diameter of 40, after the general bearing two digit multiplied by 5, is the bearing bore diameter
- Q:Why are the front fork bearings of the GY6 so difficult to buy, smaller than others?
- if the big nut steering column, in the absence of special sleeve case, can use spanner or hook wrench assembly.
- Q:Can I use other types of bearings instead? What's the model instead of the bearing? Thank you
- Hello, please check the model of this bearing in detailThere is no PN307 modelWith RN307, cylindrical roller bearings, bore 35Then consult me
- Q:Bearing, in addition to interference, excessive, gap three kinds of co-ordination, there are no other coordination?
- These three types of coordination, and other coordination is only a different individual name, but the actual situation is the same
- Q:In addition there is no other original bearing high speed bearing deposit in 50 seconds or more for the name?
- If you're looking for speed, just like speed shoes.I suggest you go to 66club, take a look at all over the country, a forum for yo yo lovers, is currently more influential domestic university skating hobby league.
- Q:sometimes to the other bearing sliding bearing number, sometimes to the sliding bearing parts inside, why?
- Sliding bearing partsThe bearing is sliding bearing and shaft parts, very smooth, generally made of bronze, anti friction alloy wear-resistant material, in particular, can be made of wood, plastic or rubber. Also called the "Bush", is in the shape of half cylinder tile.
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X-over sub for for conversion and connection of drill stem component in petroleum
- 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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