• Extended couplings for oil field tubing System 1
  • Extended couplings for oil field tubing System 2
  • Extended couplings for oil field tubing System 3
Extended couplings for oil field tubing

Extended couplings for oil field tubing

Ref Price:
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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
1 pc
Supply Capability:
5000 pc/month

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Specification

Material:
Stainless Steel Wire,Iron Wire,Copper Wire,Steel Wire,Black Wire Mesh,Brass Wire,Low-Carbon Iron Wire,Aluminum Wire,Galvanized Steel Wire,PVC Coated Steel Wire,Plastic Coated Iron Wire,Aluminum Alloy Wire,Phosphor Bronze Wire,Galvanized Iron Wire
Cross Sectional Shape:
Round,Rectangle,Oval,Triangle
Application:
Construction Wire Mesh,Protectiong Mesh,Fence Mesh,Decorative Mesh,Gabion Mesh,Window Curtain,Barbecue Wire Mesh,Cages
Type:
Steel Coll,Self-Locking,Galvanized,U Type Wire,Insulated,Flat Wire,Loop Tie Wire
Wild in Width:
2.1M,1.8M,1.6M,1.5M,1.1M
Surface Treatment:
Color Coated,PVC Coated,Black,Coated
Metal Wire Drawing:
Cold Drawing,Hot Drawing
Status:
Hard State
Thickness:
Metal Fiber,Metal Microfilament,Metal Filament,Metal Thick Wire
Galvanized Technique:
Electro Galvanized,Hot Dipped Galvanized
weight:
4kg
category:
Oil coupling
Is it customized:
yes
colour:
White, red, brown
Functional purpose:
connect
Scope of application:
Oil tubing, oil casing

Extended couplings for oil field tubing

Tubing coupling is a type of drilling tool used in oil fields, mainly for connecting tubing.

Tubing couplings are a type of drilling tool used in oil fields, mainly for connecting tubing and solving the problem of fatigue and fracture caused by stress concentration in existing couplings.

The structure of the oil pipe coupling is:

The end of the oil pipe is connected to the inner wall of the coupling body with a conical thread, and the end of the coupling body is connected to the oil pipe with a flat thread of the same thread and pitch. It has the characteristic of relieving stress concentration at the root of the external thread of a single cone thread connected oil pipe, making it less prone to fatigue fracture and achieving good connection effect. Effectively prevent the occurrence of oil well string breakage accidents.

Couplings are divided into tubing couplings and casing couplings.


The main characteristics of petroleum couplings include corrosion resistance, high temperature resistance, and wear resistance. Oil couplings are commonly used in oil extraction environments such as oil wells and geothermal wells, and have high corrosion resistance and high temperature resistance, which can adapt to harsh working environments.

Q: The bathroom hardware should be stainless steel or Aluminum Alloy it?
Try to buy buy pendant chrome copper material, although expensive, but durable, high grade, there are a lot of attention to the stainless steel copper as stainless steel and copper. Actually easy (I am a professional hardware accessories), copper chrome after polishing the surface is very smooth and very soft, and compared to soft stainless steel the more the surface of stainless steel is relatively rough, looks very stiff, and domestic stainless steel pendant 201 is basically made of antirust effect is not good, you can say to buy stainless steel is planned for 1 years after going to change, and at least 6 years with copper to copper (dirty can be wiped clean to buy a kind of stainless steel is bright, Sassafras away, only changed). Aluminum space (actually aluminum) material grade is very low, it is easy to deformation, the worst is zinc (easily rotten). So the best material is copper (the most widely used American Standard), the 304 is good (but never at home The product is 304, said his American Standard materialmdashmdash, 99.9%) he is a lie
Q: How to buy some ardware
Beware of stainless steel change "stainless iron""Some people reflect that in the purchase of stainless steel parts products, found that some stainless steel, that is, in stainless steel materials doped a lot of iron ingredients, the price difference of nearly two times. The towel rack for example, stainless steel for the average price of 200 yuan each, while the stainless iron price is only 70 yuan each, on the surface of the two are basically the same, but the surface brightness of stainless steel, stainless iron is used for a long time, easy to rust surface blackening.
Q: What kind of hardware installation is there in order of home decoration?
If the door (door and door): first hinge positioning (or repair groove), temporary installation - positioning lock, remove the lock - processing and installation after formal installation of the door, and installed in the positioning door -- etc.
Q: What are the laws and regulations of hardware?
Is the hardware must ensure the safe and reliable use, safety accidents caused by quality factors cannot, if the quality safety accidents caused, the producer must undertake the corresponding administrative or criminal liability. The laws in this respect are mainly safety production law, quality law, consumer law, and so on. More general, but more formal.
Q: What are the hardware parts used in the decoration?
Door hardware: door lock, hinge, handleCabinet hardware: handle, slide rail, hanging rod, trousers hanging, angle chainOther: hanging rail, drawer lock, bathroom accessories, accessories etc.
Q: What does hardware include?
Hardware for construction hardware, metal, locks, nails, iron wire, steel wire mesh, wire scissors, home hardware, tools and so on.
Q: How to distinguish the advantages and disadvantages of bathroom hardware?
Bathroom hardware die-casting, finishing processSuperior products: the use of large precision computer control die-casting machine tools and digital precision machine tools, rough surface smooth, smooth, no pores, silk defects and other phenomena, grinding and throwing, when the process is rigorous, a wide range of processes.Liepin: the lack of small and simple machine, pressure casting machine, product gross PI surface pores, cracks and surface defects of wire lines, inequality, polishing process rough, simple process.
Q: How do hardware stores feature?
Specialize in, you can according to the local actual situation, focusing on a variety of products, and then drive the sales of other products.
Q: I would like to ask the so-called jewelry hardware refers to which hardware, including what?
Gold necklaces, rings, bracelets, earrings, I don't know
Q: Hardware should be how to buy?
Look brand. If you want to buy customer service guarantee bathroom accessories, consumers choose the best brand of hardware accessories, although the brand that the price is higher, but when the parts quality problems, consumers can find businesses to replace or repair, or buy the whole brand hardware accessories relatively cost-effective, selected the top ten bathroom accessories brand ArgentCrystal bathroom is a good choice.

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