| Geothermal Heat Recovery from Mature Oil and Gas Fields in Nigeria - Well Integrity Considerations and Profitable Outlook |
Opeyemi BELLO, Oluwafemi OGUNLANA, Olayiwola OLATUNJI, Catalin TEODORIU, Saeed SALEHI, Olusegun OSUNDARE |
Drilling |
Mature Fields, Geothermal Energy Plant, Niger Delta, Electricity, Well Integrity, Economic Development |
Stanford Geothermal Workshop |
2020 |
English |
| Experimental Analysis of How the Form of Biodegradable Resin Drilling Fluid Additives Affects Filtration Properties and Lost Circulation Prevention Performance |
Onuki, Masayoshi; Bjarkason, Elvar K.; Naganawa, Shigemi |
Drilling; Lost circulation materials; Drilling fluids |
Drilling mud, fluid loss, lost circulation materials, filtration properties, filter cake |
Geothermal Resources Council Transactions |
2023 |
English |
| Dynamic Modeling of Darajat Field Using Numerical Simulation |
Ontowiryo Alamsyah, Boyke Bratakusuma, Viet Hoang, and Jeff W. Roberts |
17. Software for Geothermal Applications |
Darajat dynamic modeling |
World Geothermal Congress |
2005 |
English |
| Subsurface Process to Lower Well Targeting Risk, Some Lessons Learned |
Ontowiryo A., Julfi Hadi, Ansul Bahar |
— |
— |
Western Pacific Regional Branch |
2008 |
English |
| Comparison of Interpreted Results of Resistivity Sounding Curves with Well Data in El Tatio Geothermal Field, Chile |
Onodera, Seibe |
Exploration; Geophysical surveys; Resistivity surveys; Well |
Exploration; Assessment; Geophysical; Chile; El Tatio; Geoelectric Indications; Well Data; Resistivity Soundings; Schlumberger Array; Layered Model; Geologic Section; Temperature Log; Ignimbrite; Andesite; Tuff |
Geothermal Resources Council Transactions |
1983 |
English |
| Type Curves for Resistivity Sounding with Two-Electrode, Wenner, Schlumberger, and Dipole-Dipole Arrangements for a Two-, Three-, Four-, and Five-Layered Model |
Onodera, Seibe |
Exploration; Geophysical surveys; Resistivity surveys |
Exploration; Japan; Kyushu; Dipole; Resistivity; Resistivity Layers; Type Curves |
Geothermal Resources Council Transactions |
1982 |
English |
| Determination of Drilling Target in Onikobe Geothermal Area |
Onodera, Seibe |
Exploration; Geophysical surveys; Resistivity surveys; Seism |
Exploration; Drilling; Japan; Kyushu; Fractures; Conductivity; Geologic Maps; Flow Rates; pH; Casing; Resistivity Layers |
Geothermal Resources Council Transactions |
1982 |
English |
| Classification of Schlumberger Resistivity Sounding Curves in Geothermal Field |
Onodera, Seibe |
Exploration; Geophysical surveys; Resistivity surveys; Well |
Exploration; Japan; Kyushu; Conductivity; Flow Rate; Geologic Maps; Temperature |
Geothermal Resources Council Transactions |
1982 |
English |
| Controlled Directional Drilling in Kenya and Iceland (Time Analysis) |
Ong’au, Thomas Miyora |
Directional drilling |
Geothermal wells; directional drilling; time analysis; casing; logging; cementing |
Geothermal Resources Council Transactions |
2012 |
English |
| Effect of Adverse Weather Conditions on the Composition of Drilling Detergent, a Case Study of Menengai Geothermal Field |
Ongwae, Samson; Ogada, Fredrick |
— |
— |
Geothermal Resources Council Transactions |
2017 |
English |
| Tube Side Condensation of Steam in the Presence of a Non-Condensable Gas |
Ong'iro, A. O.; Kanyua, J. F. |
Fluid dynamics; NCG; Thermodynamics |
Power Generation; Condenser; Two Phase; Noncondensable Gas |
Geothermal Resources Council Transactions |
1990 |
English |
| Overview of Drilling Fluids Systems and Drilling Fluids Design Principles of Geothermal Wells in Turkey |
Oner ERGE, Kudret SAKAOGLU, Ahmet SONMEZ, Gokhan BAGATIR, H. Ali DOGAN, Ahmet AY, I. Hakki GUCUYENER |
Drilling and Completion Technology |
Turkey, geothermal, drilling, drilling fluids, high temperature |
World Geothermal Congress |
2020 |
English |
| New Computational Framework for Fracture-Controlled Reservoir Performance Optimization |
Ondrej PARTL, Ernesto MENESES RIOSECO |
Reservoir Engineering |
3D numerical modeling, fracture-controlled reservoirs, production optimization, geothermal well deployment |
Stanford Geothermal Workshop |
2026 |
English |
| Hydrogeothermics of Slovakia |
Ondrej Franko, Oto Fusan & Miroslav Kral |
Geothermal Development in Central and Eastern Europe |
Temperature, heat flow density, aquifers, tqansmissivity, water chemistry, depth of aquifers |
European Geothermal Conference |
1999 |
English |
| Atlas of Geothermal Energy in Slovakia |
Ondrej Franko |
SECTION 3 ? Geothermal Energy in the National Energy Policy |
conception, methods, maps, diagrams, profiles reserves |
World Geothermal Congress |
1995 |
English |
| Geothermal Energy Exploration in Slovakia |
Ondrej Franko |
SECTION 3 ? Geothermal Energy in the National Energy Policy |
geothermal boreholes, debit, temperature, T.D.S., heat power |
World Geothermal Congress |
1995 |
English |
| A Predictive Model of Wellbore Performance in Presence of Carbon Dioxide in Kizildere Geothermal Field |
Onder SARACOGLU, Ali BASER, Taylan AKIN, Serhat KUCUK, Erdinc SENTURK, Serhat AKIN |
Reservoir Engineering |
predictive wellbore model, carbon dioxide, machine learning |
World Geothermal Congress |
2020 |
English |
| Three Heating Seasons Monitoring of Usage of Low Enthalpy Geothermal Resources:Exergetic Performance Analysis of an EAHE Assisted Agricultural Building |
Onder OZGENER, Leyla OZGENER, Jefferson W. TESTER |
Low Temperature |
energy, exergy, geothermal. low enthalpy, thermodynamics |
Stanford Geothermal Workshop |
2013 |
English |
| Exergy Analysis of a Solar Assisted Ground-Source (Geothermal) Heat Pump Greenhouse Heating System |
Onder Ozgener and Arif Hepbasli |
14. Direct Use, Geothermal Heat Pumps |
Ground-source heat pump; Geothermal energy; Greenhouse; Exergy; Heat pump; Renewable energy; Solar energy; Sustainable development |
World Geothermal Congress |
2005 |
English |
| Resistivity and Microearthquake Imaging of Krafla Geothermal Field, NE Iceland |
Onacha, Stephen; Kahn, Dan; Malin, Peter; Shalev, Eylon |
Geophysical surveys |
Geophysics; Geophysical Imaging; Resistivity Structure; Shear-wave Splitting; Anisotropy |
Geothermal Resources Council Transactions |
2005 |
English |