Spoolable riser hanger

Abstract

A coil tubing riser hanger ( 32 ) for use with a coil tubing riser ( 27 ) comprises gripping means ( 54 a, 54 b ) for engaging the coil tubing riser to suspend and support the coil tubing in the hanger ( 32 ). In one embodiment the riser hanger ( 32 ) comprises a sealing arrangement for retaining bore pressure on the coil tubing riser when suspended in the hanger ( 32 ). In one embodiment the riser hanger ( 32 ) is adapted to be coupled to a compensated frame ( 18 ).

1 . A coil tubing riser hanger adapted to engage a coil tubing which passes through the riser hanger to suspend said tubing therein. 
     
     
         2 . The coil tubing riser hanger according to  claim 1 , wherein the tubing hanger is adapted to be supported in a vessel mounted compensated frame. 
     
     
         3 . The coil tubing riser hanger according to  claim 1 , wherein the hanger is retrievable and is used to permit lengths of coil tubing to be joined to make a longer riser. 
     
     
         4 . The coil tubing riser hanger according to  claim 1 , comprising actuatable gripping means which are moveable to engage and grip the coil tubing and suspend said tubing within the coil tubing hanger. 
     
     
         5 . The coil tubing riser hanger according to  claim 4 , wherein the actuatable gripping means comprise slips which are vertically and axially moveable to grip the coil tubing within the hanger. 
     
     
         6 . The coil tuning riser hanger according to  claim 1 , comprising a sealing arrangement for engaging the coiled tubing being supported by the hanger. 
     
     
         7 . The coil tubing riser hanger according to  claim 6 , wherein the sealing arrangement is adapted to retain fluid pressure associated with the coil tubing. 
     
     
         8 . The coil tubing riser hanger according to  claim 6 , wherein the sealing arrangement is adapted to retain fluid pressure within a region defined between the riser hanger and the coil tubing. 
     
     
         9 . The coil tubing riser hanger according to  claim 6 , wherein the sealing arrangement is adapted to retain fluid pressure within the coil tubing. 
     
     
         10 . The coil tubing riser hanger according to  claim 1 , comprising a bend stiffener stress joint adapted to minimise stress points on an associated tubing. 
     
     
         11 . The coil tubing riser hanger according to  claim 10 , wherein the bend stiffener is secured to the hanger via a support frame. 
     
     
         12 . The coil tubing riser hanger according to  claim 11 , wherein the support frame comprises a compensated support frame. 
     
     
         13 . A coil tubing riser hanger for use with a coil tubing riser, said coil tubing riser hanger being adapted to be coupled to a compensated frame and having gripping means for engaging the coil tubing riser to suspend and support the coil tubing in the hanger and seal means for retaining bore pressure on the coil tubing riser when suspended in the hanger.