Flow Network Construction

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Presentation transcript:

Flow Network Construction Gas Lift Scenario Flow Network Construction

Draw the real world diagram indicating measurement points Compressor 2 Compressor 3 Compressor 1 Separator Wing & Master Valve Controller or Casing Choke Flowline Choke Perforations Tubing Casing Lift-gas Production To Well From Well 2 3 4 5 1 11 12 13 15 14 10 16 21 20 22 24 23 25 27 26 Gas Header Production Header Gas Lift Valve Packer Valve Choke Measurement #

Description of Measurement Points in Diagram 1 Bottom hole pressure Well (Subsurface) 2 Bottom hole temperature 3 Flowing tubing head pressure Well (Surface) 4 Annulus pressure 5 Lift gas pressure (CHP) 6 SSSV status 7 SSV status 8 Chemical injection flow (Injection gas) 9 Chemical injection (Injection gas) ppm N/A 10 Lift gas control valve percent open 11 Lift gas rate setpoint 12 Lift gas pressure (upstream of meter) 13 Lift gas meter differential pressure (dp) 14 Lift gas meter temperature (upstream of control valve) 15 Lift gas flow rate 16 Lift gas temperature n/a 17 Chemical injection flow (Production) 18 Chemical injection (Production) ppm 19 Sand detection Well (Flow line) 20 Flow line pressure differentual 21 Flow line pressure 22 Flow line temperature 23 Bulk lift gas temperature Injection Manifold 24 Bulk lift gas pressure 25 Total gas production rate 26 Water production rate 27 Net oil production rate

Draw Boundary around items with no measurements Compressor 2 Compressor 3 Compressor 1 Separator Wing & Master Valve Controller or Casing Choke Flowline Choke Perforations Tubing Casing Lift-gas Production To Well From Well 2 3 4 5 1 11 12 13 15 14 10 16 21 20 22 24 23 25 27 26 Gas Header Production Header Gas Lift Valve Packer A C B D E F G H Valve Choke Measurement # Unit Boundary Unit Name

The boundary becomes a Unit in the flow network. From Well Compressor 2 Compressor 3 Compressor 1 Separator Lift-gas Production To Well 2 3 4 5 1 11 12 13 15 14 10 16 21 20 22 24 23 25 27 26 D B A G C E F H Measurement # Unit Flow (from/to port)