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casing pipe

Casing pipe is an effective way to protect a utility line from damage. A casing pipe is a steel pipe that is commonly used in underground construction to protect utility lines from damage.

Surface casing

A surface casing pipe is an important part of the oil production process during the drilling process. Its purpose is to control pressure, keep the well from collapsing, and keep water and oil isolated from the underground environment. It is also critical to safeguard groundwater aquifers and freshwater zones.

The casing pipe is typically attached to a larger diameter pipe called the conductor pipe when drilling an oil well. This aids in reducing the drilling load. A liner may be used instead of a full production casing in some cases. This can result in cost savings.

A landing base can also be used to transfer load from the surface 5 inch casing pipe to the conductor pipe. This is a device that allows the load to be transferred from the surface casing pipe to the upper set of nuts.

Why choose CGE Group Wuxi Drilling Tools casing pipe?

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Drilling connection types

The proper casing connection is critical for achieving the desired strength and performance. There are several types of connections, each designed for a specific purpose. Severe compressive loading may occur in some wells, subjecting the connections to high pressures and torque. These connections should be built to withstand these conditions while also providing the highest level of safety and performance.

The American Petroleum Institute (API) establishes threading and connection standards. 4 inch casing pipe threads are typically triangular in shape, with a taper of about 6.25%. These connections are made to withstand stress while also providing a positive make up torque.

Premium connections were created to meet the requirements of high-pressure wells and corrosive effluents. The connections are more streamlined and have a faster make-up time. They also include features like recess-free bores, metal-to-metal seals, and flush connections. These are excellent for oil and gas wells.

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