Click to edit Master title style IDDP Workshop 5 7-8 March 2007 - PowerPoint PPT Presentation

Click to edit Master title style IDDP – Workshop 5 7-8 March 2007 • Click to edit Master text styles • Second level • Third level • Fourth level • Fifth level Introduction Gudmundur Omar Fridleifsson 1 1 ENGINE Workshop 2 - Volterra G.O.Fridleifsson

Click to edit Master title style • Click to edit Master text styles • Second level • Third level • Fourth level • Fifth level 2 2 IDDP Workshop 5 G.O.Fridleifsson

Click to edit Master title style Krafla • Click to edit Master text styles • Second level • Third level • Fourth level • Fifth level 3 3 IDDP Workshop 5 G.O.Fridleifsson

Click to edit Master title style • Click to edit Master text styles • Second level • Third level • Fourth level • Fifth level 4 4 IDDP Workshop 5 G.O.Fridleifsson

Click to edit Master title style • Click to edit Master text styles • Second level Unconventional • Third level geothermal systems • Fourth level • Fifth level Conventional geothermal systems 5 5 IDDP Workshop 5 G.O.Fridleifsson

Click to edit Master title style Basic T and P assumptions • Temperature will increase with depth and follow the • Click to edit Master text styles boiling point curve of pure water down to the critical point • Second level (3400 – 3500 m) BPD-curve down to CPW • Third level • Pressure will be hydrostatic down to the critical point • Fourth level (CPW). • Fifth level • Below CPW: – Scenario 1: Temperature will increase by 100°C/km – Scenario 2: Constant density - isochore 6 6 IDDP Workshop 5 G.O.Fridleifsson

Reservoir temperature and pressure Click to edit Master title style Static and Flowing Temperature [°C] Temperature [°C / °F] • Click to edit Master text styles 0 100 200 300 400 500 600 0 100 200 300 400 500 600 0 0 0 100 200 300 400 500 600 700 800 900 10001100 Boiling water • Second level 20°C water 2000 Boiling water 1000 1000 4000 • Third level Temperature 2000 6000 2000 • Fourth level Depth [m / feet] 8000 Depth [m] 3000 3000 Pressure Temperature • Fifth level 10000 CPW Pressure 12000 4000 4000 14000 5000 5000 16000 Flowing well 550°C, 25 MPa, 9" pipe Flowing well, isochor, 9" pipe Boiling water 1000 2000 3000 4000 5000 6000 7000 8000 20°C wate 18000 6000 6000 0 10 20 30 40 50 60 0 10 20 30 40 50 60 Pressure [MPa / psi] Pressure [MPa] 7 7 IDDP Workshop 5 G.O.Fridleifsson

Click to edit Master title style Profiles of well A (large) and C (small) • Click to edit Master text styles • Second level • Third level • Fourth level • Fifth level 8 8 IDDP Workshop 5 G.O.Fridleifsson

Click to edit Master title style Well Head • Master valve ANSI 2500 • Click to edit Master text styles expanding wedge, 10” • X-over ANSI 2500; 10”, 10” • Second level & 3”, 3” for killing the well • Third level • Gate valve ANSI 2500, flexible wedge, 10” • Fourth level • X-over ANSI 2500; 10”, 4” & 4” for production • Fifth level • X-over ANSI 2500; 4”, 4”, 2” & 2” • Gate valve ANSI 2500; 4” for logging 9 9 IDDP Workshop 5 G.O.Fridleifsson

Click to edit Master title style • Click to edit Master text styles • Second level • Third level • Fourth level • Fifth level 10 10 IDDP Workshop 5 G.O.Fridleifsson

Click to edit Master title style • Click to edit Master text styles • Second level • Third level • Fourth level • Fifth level 11 11 IDDP Workshop 5 G.O.Fridleifsson

Click to edit Master title style • Click to edit Master text styles • Second level • Third level Reykjanessvæðið • Fourth level • Fifth level 12 12 IDDP Workshop 5 G.O.Fridleifsson

Click to edit Master title style • Click to edit Master text styles • Second level • Third level • Fourth level • Fifth level 13 13 IDDP Workshop 5 G.O.Fridleifsson