Casing Head: API 6A Standard Wellhead Equipment for Oil & Gas Completion

Short Description:

Casing head is a critical wellhead equipment applicable to all well depths and completion types in oil and gas operations. It is primarily used to secure the drilling wellhead, connect downhole casing strings, and seal and control the pressure in the casing annulus.


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Designed and manufactured in strict accordance with API Spec 6A, the casing head features excellent pressure-bearing capacity and anti-H₂S performance, ensuring reliable operation in harsh oilfield environments. It offers multiple connection forms with surface casings, including welding, threaded, and slip types, and can be equipped with casing hangers of slip type, threaded type (core), or other configurations. The casing hanger adopts a straight seat structure with a 45-degree hanging shoulder cone, providing superior load-bearing capacity. The casing head can be designed as an integral or split structure to meet different operational requirements.
Our product range includes single-layer casing heads and double-layer casing heads, suitable for various well completion schemes. The side ports are designed to facilitate operational tasks such as casing injection, pressure testing, and well control.

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