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API Spec 5CT and API Spec 5B NUE EUE Oil Tubing Casing Coupling

1. Size: 1.9 inch to 4-1/2 inch;

2. Connection Types: NUE, EUE, Premium Connections;

3. Steel Grade: API 5CT J55, API 5CT K55, API 5CT N80-1, API 5CT N80-Q, API 5CT L80-9Cr/13Cr, API 5CT C95, API 5CT P110

4. Standards: API Spec 5CT, API Spec 5B

5. Paint and Marks are as per API Specification 5CT 10th Edition.

Tubing and casing coupling refers to a type of mechanical connection used in the oil and gas industry to connect lengths of tubing or casing pipe together. Tubing and casing are both types of steel pipes that are used in drilling and completing oil and gas wells.

Tubing coupling is a short length of pipe with threads on both ends that is used to connect two lengths of tubing together. The coupling is threaded onto the end of one length of tubing and then threaded onto the end of the second length of tubing to create a continuous length of tubing.

Casing coupling, on the other hand, is used to connect two lengths of casing pipe together. The casing coupling is typically longer than the tubing coupling and has threads on both ends, allowing it to be threaded onto the end of one length of casing pipe and then onto the end of the second length of casing pipe.

Both tubing and casing coupling are designed to be strong and durable, able to withstand the harsh conditions encountered in oil and gas wells. They are typically made of high-quality steel and are subject to strict quality control measures to ensure that they meet the required specifications and standards.

L80 13Cr tubing and casing coupling is a type of coupling used in the oil and gas industry for connecting lengths of tubing or casing pipe together. L80 refers to the grade of steel used, which is a type of carbon steel alloy that has been heat treated to provide greater strength and durability.

13Cr refers to the addition of chromium to the steel alloy, which provides greater resistance to corrosion in harsh environments such as those found in offshore drilling operations. This makes L80 13Cr tubing and casing coupling particularly well-suited for use in wells where there are high levels of carbon dioxide, hydrogen sulfide, or other corrosive compounds.

The application for L80 13Cr tubing and casing coupling is primarily in offshore drilling operations, particularly in wells that are subject to high levels of corrosion. They are also used in onshore wells in certain applications where corrosion resistance is particularly important.

Overall, L80 13Cr tubing and casing coupling offers excellent corrosion resistance, high strength, and durability, making it a reliable choice for use in demanding oil and gas drilling applications.