CH-The CH-22 Casing Heads have a straight bore bowl with 45 landing shoulder design which avoids damage to sealing areas by drilling tools and prevents test plug and bowl protector wedging problems when pressure is applied.
CH-22 Casing Heads are normally furnished with threaded outlets and studded outlets are available upon request. Bottom connections can be furnished threaded or slip-on for welding.
CH-29 Casing Heads are based on the same reliable design as the CH-22 with exception that the bowl is longer, which permits the acceptance of the CG-29 casing hanger with larger load capacity for deeper drilling.
? Versatile straight-bore design,Uses a 45? landing shoulder
? Accepts a wide variety of slip and mandrel casing hangers
? CH-22-BP has a additional lockscrews for Bowl protecion
? CH-22-L allows use of lockscrews to retain hanger
? 3 different types of outlets: Line pipe, Flanged (Studded) Padded and Extended flanged outlets
? Multiple bottom connections, such as: Slip-on weld, Slip-on weld with O-ring, Threaded and Sure Lock