Wellhead Installation with Landing Joint Casing The wellhead is a critical surface component in an oil or gas well, providing structural and pressure control for casing strings and production tubing. When installing a wellhead with a landing joint casing, careful planning and execution are required to ensure a secure and efficient setup. Step-by-step Installation Procedure 1.Preparation and Inspection Verify that all wellhead components, including the casing head, landing joint, and sealing elem