| Facies and Diagenesis of Rotliegend Geothermal Reservoir Formations (Upper Rhine Graben, Germany): Impact on Thermophysical and Hydraulic Properties |
Achim Aretz, Kristian Bär, Annette E. Götz, Ingo Sass |
Exploration |
Rotliegend, Permocarboniferous, Upper Rhine Graben, outcrop analogue study, geothermal reservoir characterization, diagenesis, thermal conductivity, porosity, permeability |
European Geothermal Workshop |
2014 |
English |
| Geothermisches Potenzial des Rotliegend-Reseroirsystems im noerdlichen Oberrheingraben |
K. Baer et al. |
— |
Rotliegend, Oberrheingraben, Tiefe Geothermie, geothermisches Potenzial, Hessen, Permeabilitaet, Waermeleitfaehigkeit, Gebirgsdurchlaessigkeit |
Der Geothermiekongress |
2010 |
Deutsch |
| Rotary Steerable Systems to Reduce the Cost and Increase the Energy Value of Drilling Directional Wells in Olkaria Geothermal Field |
George Karimi |
— |
Rotary steerable system, bottom hole assembly, tripping, orient, non-productive time, torque |
ARGeo |
2016 |
English |
| BREAKTHROUGH ON A ROTARY STEERABLE SYSTEM FOR GEOTHERMAL DRILLING IN A WEST JAVA FIELD |
A.Z. Kurnia, X. Wang, J.F. Bao, S. Scagliarini |
Session 4.1 – Drilling and above ground technology 1 |
Rotary Steerable System (RSS), geothermal, BHA, Surveying Strategy, stuck pipe, Dog Leg Severity (DLS), Rate of Penetration (ROP) |
New Zealand Geothermal Workshop |
2019 |
English |
| Optimization of Hammer Bit Performance for Rotary Percussive Deep Drilling |
Roman J. SHOR, Shanti Swaroop KANDALA, Ajesh TRIVEDI, Juan DE LA FUENTE VALADEZ, An MAI, Alex VETSAK |
Modeling |
rotary percussive drilling, hammer bit, bit performance index, hard rock drilling |
Stanford Geothermal Workshop |
2022 |
English |
| A Metaheuristic Approach for Geothermal Drilling Optimization using a Real Time Machine Learning Feedback Loop System |
Nwosu, Chinedu Joseph; Ugarte, Esteban; Tetteh, Daniel; Salehi, Saeed |
Drilling; Machine learning |
ROP, drilling, optimization, particle swarm optimization, genetic algorithm, simulated annealing, geothermal, metaheuristic |
Geothermal Resources Council Transactions |
2022 |
English |
| Comparison of Drilling Technologies Between Top Drive and Rotary Table in Geothermal Fields: A Case Study of Olkaria Geothermal Fields |
Kahuta, James; Atwa, Victor |
Drilling |
ROP- Rate of Penetration; stands; singles; stuck pipes; top drive; rotary table; drilling efficiency; weight on bit (WOB); tripping |
Geothermal Resources Council Transactions |
2015 |
English |
| Roosevelt Geothermal Field, Utah – Reservoir Response after more than 25 years of Power Production |
Rick ALLIS and Garth LARSEN |
Reservoir Engineering |
Roosevelt, Blundell power plant, reservoir engineering, Utah |
Stanford Geothermal Workshop |
2012 |
English |
| Production Chemistry Evidence for an EGS Type Reservoir in Roosevelt Hot Springs and Implications for Utah FORGE |
Stuart SIMMONS, Rick ALLIS, Stefan KIRBY, Joseph MOORE |
Enhanced Geothermal Systems |
Roosevelt Hot Springs, Utah FORGE, EGS, production chemistry |
Stanford Geothermal Workshop |
2020 |
English |
| Re-evaluation of the Pre-Development Thermal Regime of Roosevelt Hot Springs Geothermal System, Utah |
Rick ALLIS, Mark GWYNN, Christian HARDWICK, Stefan KIRBY, Joseph MOORE, David CHAPMAN |
General |
Roosevelt Hot Springs, pre-development heat flow, groundwater temperatures, resource potential |
Stanford Geothermal Workshop |
2015 |
English |
| Geothermal Power Production and Heating System at the University of Oradea |
Gordan, Ioan Mircea; Maghiar, Teodor |
Direct use system design; Power plant design and operation |
Romania; Pumps; Process Controls; Computers; CO2(Carbon Dioxide); Flow Rates; Production Monitoring; Software Programs; Software Programs; Reinjection; Condensers; Evaporators; Generators; Heat Exchangers; Working Fluid; Control Systems; Program; Efficien |
Geothermal Resources Council Transactions |
1998 |
English |
| Cascaded Uses of the Geothermal Water at the University of Oradea, Romania |
Marcel Rosca and Teodor Maghiar |
SECTION 10 - Direct Heat Uses |
Romania, Oradea geothermal field, cascaded uses, system layout, heat supply calculations |
World Geothermal Congress |
1995 |
English |
| CHEMICAL CHARACTERZATION OF GEOTHERMAL WATERS FROM WEST FIELD OF ROMANIA. IV. GEOTHERMAL WATERS FROM NORTH OF FIELD |
L. Gilau, Oana Stanasel, Daniela Gilau, Luciana Dobjanschi, Angela Antonescu si Lavinia Manuiela Hozan |
Geochemistry |
Romania, Oradea |
Stanford Geothermal Workshop |
2001 |
English |
| CHEMICAL CHARACTERIZATION OF GEOTHERMAL WATERS FROM WEST FIELD OF ROMANIA. V. GEOTHERMAL WATERS FROM CENTRAL ZONE OF FIELD |
Ludovic. Gilau, Oana Stanasel, Daniela Gilau, Angela Antonescu, Niculina Bogdan, Ioana Codreanu and Luciana Dobjanschi |
Geochemistry |
Romania, geochemistry |
Stanford Geothermal Workshop |
2002 |
English |
| Geothermal Resources in Romania -Results and Prospects -1994 |
Dimitru Panu |
Section 1 - Rapporteurs' General Reports and Country Updates |
Romania, drilling, district heating, spas, agencies |
World Geothermal Congress |
1995 |
English |
| A Chemical Characterazation of Geothermal Waters from West Field Romania |
Ludovic Gilau, Calin T. Hozan, Adrian M. Maghiar, Teodor T. Magiar, Oreste Straciuc, Oana Stranagel |
Geochemistry |
Romania |
Stanford Geothermal Workshop |
1999 |
English |
| NUMERICAL MODEL OF THE GEOTHERMAL WELL LOCATED AT THE UNIVERSITY OF ORADEA CAMPUS |
Marcel Rosca, Miklos Antics |
NUMERICAL MODELING |
Romania |
Stanford Geothermal Workshop |
1999 |
English |
| COMPUTER MODELLING OF AN OVER-PRESSURED MEDIUM ENTHALPY GEOTHERMAL RESERVOIR LOCATED IN DEEP SEDIMENTARY BASIN |
Miklos A. Antics |
HOT DRY ROCK/DEEP-SEATED RESERVOIRS |
Romania |
Stanford Geothermal Workshop |
1998 |
English |
| Roller Cone Drill Bits for High-Temperature Applications in Southern Australia |
Shakhovskoy, David; Carter, Gary; Dick, Aaron |
Drill bits |
Roller Cone Drill Bit; High-Temperature Seals; Fluorine Containing Rubber; Elastomers; Hot Fractured Rock; Australia Geothermal; Cooper Basin |
Geothermal Resources Council Transactions |
2009 |
English |
| The Iceland Deep Drilling Project: Stable Isotope Constraints of Fluid Source and Evolution in Icelandic Geothermal Systems |
Pope, Emily C.; Bird, Dennis K.; Arnorsson, Stefan; Fridriksson, Thrainn; Elders, Wilfred A.; Fridleifsson, Gudmundur O. |
Deep drilling; Geochemical surveys; Epidote |
Rock-fluid Interactions; Iceland; Stable Isotopes; Epidote |
Geothermal Resources Council Transactions |
2009 |
English |