Subsea Field Architecture

Abstract

A subsea hydrocarbon production field includes a number of first subsea Christmas trees, a first manifold and a number of first flexible flowline jumpers, each of which is connected between the first manifold and a corresponding first tree. In one embodiment, Each first flowline jumper includes a first flow conduit and a number of first umbilical lines.

What is claimed is: 
     
         1 . A subsea hydrocarbon production field comprising:
 a number of first subsea christmas trees;   a first manifold; and   a number of first flexible flowline jumpers, each of which is connected between the first manifold and a corresponding first tree.   
     
     
         2 . The subsea hydrocarbon production field of  claim 1 , wherein each first flowline jumper comprises a first flow conduit and a number of first umbilical lines. 
     
     
         3 . The subsea hydrocarbon production field of  claim 2 , further comprising:
 a first flowline which is connected to the first manifold, the first flowline comprising a second flow conduit and a number of second umbilical lines;   wherein the first flow conduits are connected through the first manifold to the second flow conduit and the first umbilical lines are connected through the first manifold to corresponding ones of the second umbilical lines.   
     
     
         4 . The subsea hydrocarbon production field of  claim 3 , wherein the first flowline jumpers and/or the first flowline comprise means for heating a fluid in their respective flow conduits. 
     
     
         5 . The subsea hydrocarbon production field of  claim 3 , further comprising:
 a number of second subsea christmas trees;   a second manifold;   a number of second flexible flowline jumpers, each of which is connected between the second manifold and a corresponding second tree, and each of which comprises a third flow conduit and a number of third umbilical lines; and   a second flowline which is connected between the first and second manifolds, the second flowline comprising a fourth flow conduit and a number of fourth umbilical lines;   wherein the fourth flow conduit is connected through the first manifold to the second flow conduit and the fourth umbilical lines are connected through the first manifold to corresponding ones of the second umbilical lines; and   wherein the third flow conduits are connected through the second manifold to the fourth flow conduit and the third umbilical lines are connected through the second manifold to corresponding ones of the fourth umbilical lines.   
     
     
         6 . The subsea hydrocarbon production field of  claim 5 , wherein the first and second flowlines comprise respective sections of a single flowline. 
     
     
         7 . The subsea hydrocarbon production field of  claim 5 , wherein the first flowline jumpers and/or the first flowline and/or the second flowline jumpers and/or the second flowline comprise means for heating a fluid in their respective flow conduits. 
     
     
         8 . The subsea hydrocarbon production field of  claim 5 , further comprising:
 a number of third subsea christmas trees;   a third manifold;   a number of third flexible flowline jumpers, each of which is connected between the third manifold and a corresponding third tree, and each of which comprises a fifth flow conduit and a number of fifth umbilical lines; and   a third flowline which is connected between the second and third manifolds, the third flowline comprising a sixth flow conduit and a number of sixth umbilical lines;   wherein the sixth flow conduit is connected through the second manifold to the fourth flow conduit and the sixth umbilical lines are connected through the second manifold to corresponding ones of the fourth umbilical lines; and   wherein the fifth flow conduits are connected through the third manifold to the sixth flow conduit and the fifth umbilical lines are connected through the third manifold to corresponding ones of the sixth umbilical lines.   
     
     
         9 . The subsea hydrocarbon production field of  claim 8 , wherein the first, second and third flowlines comprise respective sections of a single flowline. 
     
     
         10 . The subsea hydrocarbon production field of  claim 8 , wherein the first flowline jumpers and/or the first flowline and/or the second flowline jumpers and/or the second flowline and/or the third flowline jumpers and/or the third flowline comprise means for heating a fluid in their respective flow conduits. 
     
     
         11 . The subsea hydrocarbon production field of  claim 1 ,  5  or  8 , wherein at least one of said manifolds comprises a pipeline in-line manifold.