X-over sub for for conversion and connection of drill stem component in petroleum
- 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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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: Excuse me, what about the units that sell bearings, what else do they sell? Excellent answer again from 40 points, thank you
- Sell hardware toolsSpecifically, screws, oil seals, pliers, wrenches, V-belt lubrication, drills, taps, sealants, welding rod, small appliances, switches and so on
- 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: Feroform what bearing material, metal or nylon, or anything else?
- It's made of toughened and wear-resistant nylon, which is more high-grade. As bearings, there are generally PA66+30GF/CF, PA66+PTFE+GF/CF, PA66+, molybdenum disulfide, of which the most cost-effective is PA66+ molybdenum disulfide. Our company has production, and if necessary, you can contact me.
- Q: In bearings, why are the flanges connecting the upper and lower cases higher than those of the other bearings?
- If it is understood as the reducer, the upper and lower box connecting the flange (bearing box outside the prominent part), the reason is to prevent the bearings in operation, gear and box friction, damage box, reduce gear life.
- Q: What's the other size of the outer diameter 15?
- Different kinds, different sizes and thicknesses can not answer you.
- Q: A winter hand is out of the question, always pull the beginning of a circle when no problem, after feeling a little strength are not, pay attention to the following 2: 1, the legend of the hand is slipping should take a one-way bearing cleaning, I remove the bubble in alcohol and with ultrasonic cleaner washing, the result is really good for a moment, the next is not good; also for the one-way bearing, when the hammer is likely to change in the same phenomenon. 2, this is a method I find, is the first at home to the engine oil pump, the pump to the obvious rich and even a little bit when misfire, hand is good, get out after the fire down soon start pouring fuel, normally is not a one-way bearing can not enter fuel? Late into the fuel hand puller is obviously not slip like a long time don't see is what reason, solution!
- Is the quality of bearings, the size is not standard, because the axis tolerances are limited, resulting in a loose tight. Replace the bearings of better quality.In principle, the general transition fit, one-way needle, this structure is too simple, and the accuracy is not high, the domestic small factory product quality is not stable.A one-way bearing is a type of bearing that can be turned freely in one direction and locked in another direction. One-way bearings, also known as overrunning clutch, but according to different industries, the role of different naming.
- Q: I feel different from other factories, ah, there is no pungent smell!
- Yes, they have a business manager named Feng Dawei. The business ability is very strong, you can find him
- Q: What model is used more? What are the prospects for development? Does the price have an advantage?
- Relatively speaking, the number of general, small and medium is relatively largeThe prospect is also OK, the domestic price has the absolute superiorityYou can consider to do the foreign trade in the bearing industry
- Q: Bearing, in addition to interference, excessive, gap three kinds of co-ordination, there are no other coordination?
- Not only bearings, but only three of these combinations
- 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.
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X-over sub for for conversion and connection of drill stem component in petroleum
- 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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