Jumper termination manifold

Abstract

The invention relates to a solution that enables the connection of multiple jumpers to a single tie-in hub. The solution concerns a subsea assembly (100) that comprises branched connections for multiple jumpers. The subsea assembly comprises a well multiplier assembly (120) comprising a branched pipe (130), a tie-in hub coupling (140), at least one tie-in hub (150), and a well multiplier assembly connection (155).

1 . A subsea assembly ( 100 ) comprising a well multiplier assembly ( 120 ) for enabling the connection of multiple jumpers onto a single tie-in hub, the well multiplier assembly ( 120 ) comprises:
 a branched pipe ( 130 ),   a tie-in hub coupling ( 140 ), configured to be connectable with any tie-in hub,   at least one tie-in hub ( 150 ), wherein said tie-in hub ( 150 ) is a connection configured to be connectable with any tie-in hub coupling, and   a well multiplier assembly connection ( 155 ), integrally attached to the branched pipe ( 130 ) and configured to integrally connect to a jumper using a weld ( 171 ) or a flange coupling ( 172 ) prior to submerging and installing the subsea assembly,   
       where the branched pipe ( 130 ) extends between the tie-in hub coupling ( 140 ), the at least one tie-in hub ( 150 ) and the well multiplier assembly connection ( 155 ), and where the at least one tie-in hub ( 150 ) is provided with a closing valve arrangement ( 160 ) or end cap. 
     
     
         2 . The subsea assembly ( 100 ) according to  claim 1 , where the tie-in hub coupling ( 140 ) is fitted with a closing valve arrangement ( 160 ). 
     
     
         3 . The subsea assembly ( 100 ) according to  claim 1 , where the branched pipe ( 130 ) is a Y-branch ( 131 ) or a tee branch ( 132 ). 
     
     
         4 . The subsea assembly ( 100 ) according to  claim 1 , where the branched pipe ( 130 ) is in one piece. 
     
     
         5 . The subsea assembly ( 100 ) according to  claim 1 , where at least one tie-in hub ( 150 ) is arranged in a nonparallel direction relative to the tie-in hub coupling ( 140 ), optionally in a perpendicular direction relative to the tie-in hub coupling ( 140 ). 
     
     
         6 . The subsea assembly ( 100 ) according to  claim 1 , further comprising a jumper ( 110 ) integrally attached to the well multiplier assembly connection ( 155 ). 
     
     
         7 . The subsea assembly ( 100 ) according to  claim 1 , further comprising a termination assembly, where the termination assembly comprises one or more of the elements chosen from the group comprising barrel in barrel alignment means ( 167 ), a guide funnel ( 165 ), a insertion interface ( 168 ) and landing bracket means ( 169 ). 
     
     
         8 . The subsea assembly ( 100 ) according to  claim 1 , where the jumper is a flowline. 
     
     
         9 . A jumper connection method comprising the steps of:
 providing a subsea assembly ( 100 ) according to  claim 1 ,   providing a first jumper ( 11 ),   integrally connecting the first jumper ( 11 ) to the well multiplier assembly connection ( 155 ) of the well multiplier assembly ( 120 ),   submerging the subsea assembly ( 100 ) and the first jumper ( 11 ),   providing a subsea production unit tie-in hub ( 145 ,  210 ), connecting the tie-in hub coupling ( 140 ) of the subsea assembly to the subsea production unit tie-in hub ( 145 ,  210 ),   providing a second jumper ( 12 ), and   connecting the second jumper ( 12 ) to a tie-in hub ( 150 ) of the well multiplier assembly ( 120 ).   
     
     
         10 . The method according to  claim 9 , where the step of providing a subsea production unit tie-in hub ( 145 ,  210 ) involves:
 providing a subsea production unit, comprising the subsea production unit tie-in hub ( 145 ,  210 ).   
     
     
         11 . The method according to  claim 10 , wherein the subsea production unit is a production manifold ( 146 ) or a Christmas tree ( 200 ) 
     
     
         12 . The method according to  claim 9 , further comprising the step of
 opening the closing valve arrangement ( 160 ) of the tie-in hub ( 150 ) to which the second jumper ( 12 ) is connected or   opening/removing the end cap of the tie-in hub ( 150 ) when the tie-in hub ( 150 ) is connected to the second jumper ( 12 ).   
     
     
         13 . A subsea production system ( 101 ) comprising:
 a subsea assembly ( 100 ) according to  claim 1 ,   a first jumper ( 11 ), and   a second jumper ( 12 ),   
       where the first jumper ( 11 ) is integrally connected to the well multiplier assembly connection ( 155 ) and where the second jumper ( 12 ) is connected to a tie-in hub ( 150 ). 
     
     
         14 . The subsea production system ( 101 ) according to  claim 13 , further comprising a production manifold ( 146 ), where the production manifold ( 146 ) comprises a production manifold tie-in hub ( 145 ), and where the tie-in hub coupling ( 140 ) of the well multiplier assembly ( 120 ) is connected to the production manifold tie-in hub ( 145 ). 
     
     
         15 . The subsea production system ( 101 ) according to  claim 13 , further comprising a Christmas tree ( 200 ), where the Christmas tree ( 200 ) comprises a Christmas tree tie-in hub ( 210 ), and where the tie-in hub coupling ( 140 ) of the well multiplier assembly ( 120 ) is connected to the Christmas tree tie-in hub ( 210 ).