General

MSP casing spool is a double 45°shoulder design that is used for all types of well completions and depths, and compatible with all MSP serial Casing Head Housing. Casing strings are suspended through one of the shoulders, the lower shoulder in the casing head supports the casing string independently, at the same time the upper shoulder supports the pack-off and test pressure. Several types of bottom preparation for secondary seal could be provided according to customer’s requirement.

Design Features:

Straight-bore design provides a reduction of the bowl damage while drilling and prevents test plugs, wear bushing and casing hanger from wedging.

Outlets on the body are available for either studded or pipe line, and studded outlets have an option of valve removal threads.

Gate valve on the wing side could be replaced under well pressure by means of the availability of Valve Removal Thread.

Lockdown screws are available due to client’s option and vary from different sizes of flanges.

A test port is available at the bottom.

The bottom of CQS casing spool is available for various pack-off preparations including but not limited to: MTM金属密封 ES橡胶密封 EM组合密封.

CQ series casing spool is perfectly compatible with the CQ-G series casing hanger.