Welcome to Jincheng Metal Products (Tianjin) Co., Ltd.
Casing And Tubing Coupling
Classification :
Oil country tubular goods
keywords :
Oil country tubular goods
PRODUCT DETAILS
Description
About Tubing coupling
Normally tubing coupling OD maximum is 4 1/2”, as the tubing pipe is applied for the drilling activities (Inside the tubing is the sucker rod to drill/pump the oil), couplings type is more various and rigorous than casing, mostly used is thicken type upset coupling (Internal upset and external upset), for short is EUE coupling, it is the most favorable in tubing connections. Tubing with EU end (EUE) coupling connection also called UPTBG. Because of the end of the tubing is thickened (upset), the connecting stress is better than buttress coupling.
Buttress coupling another type used for tubing connections, it has the same thickness of the pipe body, called NU end (NUE)tubing or TBG.
Features
The oil tubing coupling can solve the problem of fatigue fracture in the existing coupling due to stress concentration. Oil tubing end is connected to the inside wall of the coupling in a tapered thread. The coupling body end and oil tubing are connected with same thread pitch flat thread. The coupling is not easy to produce fatigue fracture, and has good connection effect. It can prevent the accident of oil well pipe string break effectively.
About Casing coupling
Casing coupling is for the dimensions more than 4 1/2 inch. Differently than tubing coupling is, casing coupling normally does not need to be thickened (Non-upset), which means no upset casing coupling, so it has following types:
• BTC: Buttress coupling
• LTC: Long buttress coupling
• STC: Short buttress coupling
All three types has same thickness of the casing pipe body, just have different lengths.
The oil casing coupling is a necessary piece used to connect the two casing. The coupling manufacturing method is the same as seamless pipe. The steel pipe ends with internal thread to connect with the upper and lower casing. In order to ensure the joint tightness, the precision of screw thread is strictly required.
Seamless and ERW Casing
|
Specification |
API 5CT |
|
Grades |
K55, N80, L80, C95, P110, Chrome, J55(Modified), J55 (API), PS80 |
|
Special Grades |
For sour services and for deep well with high collapse properties |
|
Dimensions |
OD 4" - 26" WT - 0.2 -0.5" |
|
Length range |
1, 2 or 3 |
|
Thread connections |
API (STC and LTC), BTC, extreme line, etc. |
Seamless and ERW Tubing
|
Specification |
API 5CT |
|
Grades |
J55 (API) J55(Modified), N80, L80, L80 13Cr, P110, Q125, H40 (API) |
|
Thread connections |
API 5B - Last Edition or Premium, EUE, NUE, special seal, metal-to-metal seal and VAGT |
Specification
Casing Couplings Short Thread Specifications:
|
Casing Couplings |
Casing Size OD (inches) |
Coupling Size OD (inches) |
Length (inches) |
Weight per Coupling (lbs) |
Palletized Carton Quantity |
 |
4-1/2 |
5.000 |
6.250 |
8.05 |
343 |
Warehouse Storage
The company's main products include carbon steel, galvanized, stainless steel coils, color-coated coils, roof panels, color steel, aluminum plates, aluminum coils, angle steel, H-shaped steel, steel bars, etc., with quality assurance and timely delivery.
Packing and shipping
The products are mainly exported to more than 60 countries in South America, Southeast Asia, Africa, the Middle East, etc. The annual export volume reaches more than 1 million tons. Having been engaged in the steel industry for more than ten years, he has rich experience in team management and has established good business relationships with customers and factories.
Application field
We have been engaged in the steel industry for more than ten years and have rich experience in team management. We have established good business relationships with customers and factories, are committed to strict quality control and thoughtful customer service, and provide customized processing services for various products.
Customer visit
OUR ADVANTAGE
Quality Assurance
With ISO9001 management system certification, our experienced staff are available to discuss your requirements and ensure customer satisfaction.
Our services
Due to our excellent quality and competitive prices, we have gained a good reputation in the market to serve customers all over the world and won a good reputation.
Product variety
Rich products and sufficient inventory
Rich experience
More than ten years of industry experience
HONOR
FAQ
Q1:About the product price?
A:Due to the cyclical changes in raw material prices, prices vary from period to period.
Q2:Can you send samples?
A:Of course, we can send samples to all parts of the world, our samples are free, but customers need to bear the courier costs.
Q3:What about your price?
A:Our price is very competitive because we are a factory. Pls feel free to contact us if you are interested in our products.
Q4:Can I go to your factory to visit?
A:Of course, we welcome customers from all over the world to visit our factory.
Q5:How long does your delivery time take?
A:In general, our delivery time is within 7-15 days, and may be longer if the quantity is extremely large or special circumstances occur.
Q6:How many countries you already exported to?
A:We have exported to Canada, Brazil, Chile, Colombia,Thailand, Myanmar, Vietnam, India, Kenya,Ghana,somalia and other African countries. Our export experience is rich, we familiar with different market demands, can help customers avoid a lot of trouble.
Q9:How to pack the products?
A:Standard export sea-worthy packaging, the inner layer has a waterproof paper outer layer with iron packaging and is fixed with a fumigation wooden pallet.It can effectively protect products from corrosion and various climate changes during ocean transportation.
Q10: What are your working hours?
A: Under normal circumstances, our online service hours are: 8:00-22:00. After 22:00, we will reply to your inquiry on the next working day.
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Tel :+8619026598390
E-mail :administrator@sdbzsteel.com
WhatsApp :+8619026598390
Add : Room 1717, Gate 13, Gangcheng Hot Spring Garden, Jinqiao Street, Dongli District, Tianjin City
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