Sentry C-22 casing spools incorporate the industry workhorse C-22 geometry that will accept a standard C-21 or C-22 casing hanger. Additionally, the Sentry C-22 casing spool product line has been designed with the option to integrate full sets of lock-down screws (LDS) in the upper flange in order to provide mechanical casing hanger retention.
The C-22 casing spool is designed for light to intermediate casing string weights
It incorporates a straight bowl design
Is available with Lock Down Screws (LDS) in the upper flange for mechanical casing hanger retention
Has flanges on both the top and bottom of the assembly
Has a seal area in the bottom flange for a secondary seal between the casing annulus and the flanged connection
Incorporates a test port in the lower flange to accommodate secondary seal testing