Plan Model Objects Tree
The Plan Model Objects Tree contains a hierarchical presentation of all model objects that make up the project. It is composed of:
Plan Root Node: Main characteristics of the project as a whole.
Reservoirs & Wells: Lists all reservoirs defined in the project. Each Oil or 
Gas Reservoir Node in turn contains a 
Well Node for each well or completion associated to it.
Rigs: When working in Simple Rig Mode this node contains every necessary rig specification. In Extended Rig Mode, there is a Rig Node for each rig type.
Surface Layout: Provides access to the layout of facilities and connections. The .png)
Facilities sub-branch contains a .png)
Facility Node for each facility defined in the project.
Schedule: Provides access to the list of defined Jobs and 
Summaries defined in the project.
Well Groups: Lists all eight 
well group types; each type in turn contains all defined groups of that type.
