Casing tubes play a crucial role in the steel pipe industry. These tubes are an essentialcomponent in the construction of Oil and gaswells, providing structural support and ensuring the integrity of the wellbore. Made from high–quality steel, casing tubes are designed to withstand the extreme conditions encountered during drilling and production operations.
One of the primary functions of casing tubes is to prevent the collapse of the wellbore. When drilling a well, the surrounding rock formations exert pressure on the walls of the hole. Without proper support, the wellbore can cave in, leading to costly and potentially dangerous consequences. Casing tubes are inserted into the wellbore to provide a stable and secure structure, preventing any collapse and maintaining the integrity of the well.
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.
In addition to preventing collapse, casing tubes also serve as a conduit for the extraction of oil and gas. Once the well has been drilled, production operations require the installation of production tubing to extract the hydrocarbons. Casing tubes provide a protective outer layer for the production tubing, shielding it from the surrounding environment and ensuring the safe and efficient extraction of oil and gas.
Drilling Rig
Casing tubes also play a vital role in preventing the contamination of groundwater. During drilling operations, there is a risk of fluids and gases migrating from the wellbore into underground water sources. Casing tubes are designed with multiple layers, including a cement sheath, which acts as a barrier, preventing any Leakage or seepage of fluids into the surrounding environment. This protective layer ensures
Casing tubes also play a vital role in preventing the contamination of groundwater. During drilling operations, there is a risk of fluids and gases migrating from the wellbore into underground water sources. Casing tubes are designed with multiple layers, including a cement sheath, which acts as a barrier, preventing any Leakage or seepage of fluids into the surrounding environment. This protective layer ensures