Casing Head

Straight hole design: Design has 45° Shoulder Big capacity Side outlet connection type: Side outlet of casing pipeline threaded Side outlet of threaded flange Interchange of Casing hanger: Casing hanger is exchange Hanger is exchange with mandrel hanger Jackscrew assy: Lock screw wear bushing Slip casing To prevent casing hanger lift Bottom connection: Bottom weld connection Bottom threaded connection Bottom slip connection A. Bottom slip connection It is adopt all kind of type slip connect with surface casing. Example for: CSGLCSGBCSG TM etc. Applicable casing program 20 13-3/8 9-5/8 75-1/2 etc There is a test hole on weld ring that can Test weld effect. B. Bottom threaded connection Bottom is adopt all specification threaded with surface casing Example for: CSGLCSGBCSG TM etc It is supply for all casing 20 13-3/8 9-5/8, 75-1/2 etc C. Slip bottom connection It is adopt WD type slip connect with surface casing It is adopt BT secondary seal structure Do not account deep of casing run into No effect on environment and climate Convenience installation and quickly, safety and credibility Applicable casing program 30" 20" 13-3/8 " 12-1/4" 9-5/8 " 7 " 5-1/2 " etc