====== WEPRO ======
Boundary condition between a well and a reservoir

===== Description =====
**WE**ll **Pro**duction element \\
The element consists of 1, 2, or 3 "real" nodes and 1, 2, or 3 nodes representing the environment. It is used for modelling exchanges of fluid between a well and the reservoir.
{{:elements:conra.png?600|}}
\\
The element can only be used with law [[laws:wpro|WPRO]]. \\
Type: 117 \\

==== Files ====
Prepro: WEPROA.F \\
Lagamine: WEPROB.F

===== Input file =====
^Title (A5)^^
|TITLE|"WEPRO" in the first 5 columns|
^Control data (2I5)^^
|NELEM|Number of elements|
|NNODEVR|Number of real nodes|
|NNODEENV|Number of environment nodes|
^Definition of the elements (2I5/4I5)^^
|NINTE|Number of integration points: \\ For NNODE > 2 → 2 or 3 \\ For NNODE = 2 → 1|
|LMATE|Material law|
|NODES|List of nodes (6, 4, 3, or 2)| 

===== Results =====
Sigma(1): Output or input water flow. \\
Sigma(2): Output or input oil flow.