| Factors That Influenced Public Private Partnership (PPP) Adoption for Implementing Geothermal Power Project, Menengai Project |
Calisstus NDONGOLI |
Economics and Financing |
Factors Influencing PPP Adoption; Menengai Geothermal Project, Build Own Operate |
World Geothermal Congress |
2020 |
English |
| MT Resistivity Structure at Abijata and Shalla Geothermal Field, Southern Main Ethiopian Rift Geothermal Prospect, in 2017 |
Kebede NEGATU |
Geophysics |
Magnetotelluric (MT), 2D Model, Abijata and Shala resistivity , anomaly |
World Geothermal Congress |
2020 |
English |
| Implications for the Accuracy of Porosity and Permeability Estimates Derived from X-ray Computed Tomography in Reservoir Characterization |
Mathias NEHLER, Ferdinand STOECKHERT, Erik SAENGER, Jörg RENNER, Rolf BRACKE |
Geophysics |
X-ray computed micro-tomography, flow-through experiments, porosity, permeability |
World Geothermal Congress |
2020 |
English |
| Fracture Propagation in Anisotropic Rocks During Hydraulic Stimulation: Experimental Results and Theoretical Predictions |
Morteza NEJATI, Thomas DRIESNER |
Reservoir Engineering |
Anisotropic rock, fracture toughness, maximum tangential stress, maximum energy release rate, minimum strain energy density, Grimsel Granite |
World Geothermal Congress |
2020 |
English |
| Investigation of a Rapid Geothermal Aluminosilicate Scale Formation Mechanism: Preliminary Results of Kinetic Experiments |
Claire NEWTON, Michael ROWE, Sadiq ZARROUK |
Corrosion and Scaling |
Aluminosilicate, scale, silica, aluminium hydroxide, boehmite, kinetic, experiment, colloid, precipitation, reaction hydroxyaluminosilicate, reservoir, reinjection, mitigation, prevention, San Jacinto-Tizate |
World Geothermal Congress |
2020 |
English |
| Geothermal Power Generation and Biodiversity: the Business Case for Managing Risk and Creating Opportunity |
Cheryl NG, Thomas WHITE, Vineet KATARIYA and Edward POLLARD |
Environmental Aspects |
biodiversity, risk, impacts, lender standards, protected areas, Key Biodiversity Areas |
World Geothermal Congress |
2020 |
English |
| Delineating Geothermal Systems from Geochemical Characteristics of Hot Spring Water in Southern Thailand |
Wipada NGANSOM and Helmut DUERRAST |
Geochemistry |
Hot spring, Southern Thailand, Geochemistry, Geothermal System |
World Geothermal Congress |
2020 |
English |
| Alteration Mineralogy of Well KW02 in the Karisimbi Geothermal Prospect, Nyabihu District, NW-Rwanda |
Jean-Claude NGARUYE |
Exploration |
Rwanda, Democratic Republic of Congo, East-African Rift System, well logging, Geothermal, alteration mineralogy, Virunga Volcanoes Range, Karisimbi volcano |
World Geothermal Congress |
2020 |
English |
| Commissioning the 280MW Geothermal Power Plants in Olkaria, Kenya |
George NGOMI, Leonard LANGAT |
Case Histories |
commissioning, electricity, generation, power plant |
World Geothermal Congress |
2020 |
English |
| Attractiveness of Kenya’s Geothermal Electricity Generation Investments; A Risk Perspective |
Paul NGUGI |
Economics and Financing |
hurdle rate, risk |
World Geothermal Congress |
2020 |
English |
| Characteristics of Geothermal Resources in the Mid Part of Vietnam |
Tien Hung NGUYEN, Duc Kiem DUONG, Duy Giang CAO, Thuy Linh NGUYEN, Lan Anh NGUYEN |
Resource Assessment |
geology, geophysics, hydrogeology, geochemistry, drilling, Vietnam |
World Geothermal Congress |
2020 |
English |
| Combined Use of Geothermal Energy and Oil or Gas Production |
Hamidreza M. NICK, Zaman ZIABAKSH GANJI, Negar KHOSHNEVIS GARGAR, David F. BRUHN |
Heat from Oil/Gas/Coal Fields |
Geothermal doublet, Energy production, Synergy potential, Non-isothermal flow
, Water injection, Heterogeneity |
World Geothermal Congress |
2020 |
English |
| Coupling Dynamic Heat Demands of Buildings with Borehole Heat Exchanger Simulations for Realistic Monitoring and Forecast |
Jan NIEDERAU, Moritz LAUSTER, Johanna BRUCKMANN, Christoph CLAUSER, Dirk MUELLER |
Geothermal Heat Pumps |
borehole heat exchanger, building performance simulation, direct heat use |
World Geothermal Congress |
2020 |
English |
| How the Spatial Continuity of Permeability Affects Hydrothermal Convection: A Study Using Entropy Production |
Jan NIEDERAU, Florian WELLMANN, Nele BOERSING |
Exploration |
hydrothermal convection, perth basin, entropy production, heterogeneous permeability, spatial continuity |
World Geothermal Congress |
2020 |
English |
| Characterization of Subsurface Heat-Transport Processes in the Canton of Aargau Using an Integrative Workflow |
Jan NIEDERAU, Anozie EBIGBO, Martin O. SAAR |
Exploration |
heat-flow anomaly, geological modelling, Switzerland |
World Geothermal Congress |
2020 |
English |
| Slim Hole Assessment and Geothermal Business Model |
Dennis L. NIELSON, Sabodh K. GARG and John SHERVAIS |
Business Strategies |
Basaltic magmatism, sills, normal faults, hydrothermal breccias, clay alteration, gravity, learning curve, play fairway analysis, drilling costs, drilling risk, resource risk, conceptual models |
World Geothermal Congress |
2020 |
English |
| Production-Injection at the Costa Rica Geothermal Fields 1994 – 2019: Dr. Alfredo Mainieri Protti (Formerly Miravalles) and Pailas |
Federico NIETZEN, Leonardo SOLIS |
Production Engineering, Steam Gathering Systems |
Production, injection, Dr. Alfredo Mainieri Protti, Miravalles, Pailas, Costa Rica |
World Geothermal Congress |
2020 |
English |
| Some Aspects Related to Chemicals Systems Used in the Exploitation at the Dr. Alfredo Mainieri Protti Geothermal Field (Formerly Miravalles Geothermal Field), Costa Rica |
Federico NIETZEN |
Corrosion and Scaling |
Calcium carbonate, inhibition, sodium hydroxide, acid wells, neutral wells |
World Geothermal Congress |
2020 |
English |
| Temperature and Well Test Analysis of Selected Wells of Aluto Langano Geothermal Field, Ethiopia |
Teka NIGUSSIE, Svanbjörg H.HARALDSDÓTTIR, Saeunn HALLDÓRSDÓTTIR, LúðvÃk S. GEORGSSON |
Reservoir Engineering |
Temperature, Pressure, Feed zone, Pivot point, Formation Temperature, Permeability |
World Geothermal Congress |
2020 |
English |
| An Update on the Geothermal Wells Drilled in Aluto Langano Geothermal Field |
Teka NIGUSSIE, Svanbjörg H.HARALDSDÓTTIR, Kifle KAHSAI, LúðvÃk S. GEORGSSON |
Reservoir Engineering |
Temperature, Pressure, feed point, permeability, power plant, scaling, institution |
World Geothermal Congress |
2020 |
English |