secondary seals are used to seal around the production casing stub in the bottom of the bowl of the tubing head, the various types are described below:double FS-seals:
These load-bearing devices are installed in the top bowl of the tubing head and are run through the BOP. Also doubling as a means to access and manipulate additional smaller tubing lines that are uti
Description: The top spool on a wellhead assembly contains the highest pressure in the wellhead, and contains a load shoulder to hang the tubing hanger and tubing string. When the well is completed,
These load-bearing devices are installed in the top bowl of the tubing head and are run through the BOP. Also doubling as a means to access and manipulate additional smaller tubing lines that are ut
Description: as the most important part of the drilling equipment, provide the bearing function for the secondary drilling process . Function: connect the surface casing; support t
Description: the casing hanger installed in the casing head house and casing head spool, for bearing the weight of the surface casing and technical casing. And provide the seals between the casing
Description: equipment attached to the uppermost end of the surface casing which serves to suspend and seal a casing string.Function: Connect with the surface casing; Sustain the BOP in the
Description: A load-supporting device attached to the starting casing head by means of either mechanical or permanent (welding) connection. Designed to support up to 2,000,000 pounds (907,105 kg),
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