Oil and Gas Well Casing Tube API 5CT J55, K55, N80, L80, T95, P110, Q125, OCTG Casing Tubing and Drill Pipe with Btc, Ltc, Premium Gas-Tight Connectors
Oil and gas well casing tubes are an essentialcomponent of the drilling process in the oil and gas industry. These tubes, made from various grades of steel, provide structural support and protection for the wellbore, ensuring the safe and efficient extraction of oil and gas reserves. In this article, we will provide an overview of the different grades of oil and gas well casing tubes, specifically API 5CTj55, K55, N80, L80, T95, P110, and Q125.
API 5CT is a standard set by the American petroleum Institute (API) that specifies the technical requirements for casing and Tubing used in oil and gas wells. The API 5CT standard ensures that these products meet certain quality and performance standards, making them suitable for use in demanding drilling environments.
Total range length, inclusive Permissible variation, max a
6.10 to 7.92 e
8.53 to 10.36
11.58 to 13.72 0.61
0.61
0.61
PUP JOINTS
Lengths: 0.61; 0.91; 1.22; 1.83; 2.44; 3.05 and 3.66 e
Tolerance: ±0.076
a Length variation applies to rail car shipment to the point of use and does not apply to order items of less than 18,144 kg of Pipe.
b By agreement between purchaser and manufacturer, the maximum length may be increased to 8.57 m.
c By agreement between purchaser and manufacturer, the maximum length may be increased to 10.76 m.
d By agreement between purchaser and manufacturer, the maximum length may be increased to 17.72 m.0.61 m pup joints may be furnished up to 0.91 m long by agreement between purchaser and manufacturer, and lengths other than those listed may be furnished by agreement between purchaser and manufacturer.
The J55 grade of casing tube is a relatively low-cost option that is commonly used in shallow wells. It has a minimum yield strength of 55,000 psi and is suitable for environments with low to moderate levels of corrosive elements. The K55 grade, on the other hand, has the same yield strength as J55 but is more resistant to corrosion, making it suitable for wells with higher levels of corrosive elements.
The N80 grade of casing tube is a higher-strength option with a minimum yield strength of 80,000 psi. It is commonly used in medium-depth wells and offers good resistance to corrosion and cracking. The L80 grade, with a minimum yield strength of 80,000 psi, is similar to N80 but is specifically designed for wells with higher levels of sour gas, which can be highly corrosive.
E235/255 Cr 6 Free Galvanizing hydraulic Oil steel tubing
For deeper wells and more challenging drilling environments, the T95 grade of casing tube is often used. It has a minimum yield strength of 95,000 psi and offers excellent resistance to corrosion and cracking. The P110 grade, with a minimum yield strength of 110,000 psi, is even stronger and is commonly used in high-pressure and high-temperature wells.
The Q125 grade of casing tube is the highest-strength option, with a minimum yield strength of 125,000 psi. It is specifically designed for extreme drilling conditions, such as deepwater drilling and wells with high levels of corrosive elements. q125 casing tubes are known for their exceptional resistance to corrosion, cracking, and deformation.
In addition to the different grades of casing tubes, there are also different types of connections available for joining the tubes together. The most common
The N80 grade of casing tube is a higher-strength option with a minimum yield strength of 80,000 psi. It is commonly used in medium-depth wells and offers good resistance to corrosion and cracking. The L80 grade, with a minimum yield strength of 80,000 psi, is similar to N80 but is specifically designed for wells with higher levels of sour gas, which can be highly corrosive.
E235/255 Cr 6 Free Galvanizing hydraulic Oil steel tubing
For deeper wells and more challenging drilling environments, the T95 grade of casing tube is often used. It has a minimum yield strength of 95,000 psi and offers excellent resistance to corrosion and cracking. The P110 grade, with a minimum yield strength of 110,000 psi, is even stronger and is commonly used in high-pressure and high-temperature wells.
The Q125 grade of casing tube is the highest-strength option, with a minimum yield strength of 125,000 psi. It is specifically designed for extreme drilling conditions, such as deepwater drilling and wells with high levels of corrosive elements. q125 casing tubes are known for their exceptional resistance to corrosion, cracking, and deformation.
In addition to the different grades of casing tubes, there are also different types of connections available for joining the tubes together. The most common