| Silica-Lime Based Hydrothermal Cements for High-Temperature Geothermal Applications |
Hernandez, Rafael; Brothers, Lance; Martin, Robert |
Cementing |
Non-portland; Cement; Silica; Lime; Hydrothermal; High temperature |
Geothermal Resources Council Transactions |
2010 |
English |
| Composite Ceramic Centralizers--An Innovative Solution for Geothermal Well Construction in Highly Corrosive Environments: Case History |
Hernandez, Rafael; Chandarjit, Lyndon; Levie, Iain |
Cementing; Centralizers; Corrosion; Carbon dioxide |
Composite; Ceramic; Centralizers; Slim hole; Galvanic corrosion; CO2; Resistance; Stainless steel |
Geothermal Resources Council Transactions |
2010 |
English |
| Enhanced Geothermal System Performance-Monitoring using Advanced Distributed Temperature-Sensing Technology |
Hernandez, Rafael; Haney, James |
HDR/EGS; Reservoir modeling |
EGS; Fiber-optics; DTS; Stimulation; Temperature; Monitoring |
Geothermal Resources Council Transactions |
2010 |
English |
| Successful Application of Distributed Temperature-Sensing Technology Improves Geothermal Cementing: Case Histories |
Hernandez, Rafael; Haney, James |
Cementing; Well logging |
DTS; Cementing; Thermal gradient; BHCT |
Geothermal Resources Council Transactions |
2010 |
English |
| Reduced Density Keys Succes in Cementing Geothermal Well |
Hernandez, Rafael; Matlick, Skip; Nguyen, Hao |
Cementing |
Drilling; N/A |
Geothermal Resources Council Transactions |
2007 |
English |
| Unique, Dual-Injection Cementing Process Contains Gas-Breakthrough Zone in a Geothermal Well: Case History |
Hernandez, Rafael; Nguyen, Hao |
Cementing; Lost circulation |
Foamed cement; Lost circulation; Corrosion; Latex; Gas breakthrough; Dual injection |
Geothermal Resources Council Transactions |
2010 |
English |
| Foamed Latex Slurry and Reverse-Circulation Cementing Enable Drilling in Lost-Circulation Zones |
Hernandez, Rafael; Nguyen, Hao |
Cementing; Lost circulation |
Reverse Circulation; Latex; Perlite; Lower ECDs; Foamed Cement; Lost circulation |
Geothermal Resources Council Transactions |
2009 |
English |
| High-Performance Cement and Real-Time Temperature Sensing Enables Optimized Wellbore Cementing in CO2 Environments: Case History |
Hernandez, Rafael; Nguyen, Hao; Chandarjit, Lyndon |
Cementing; Carbon dioxide; Corrosion; Well logging |
Non-Portland; CO2 attack; Corrosion; DTS; Aluminate; Foamed cement; Fiber-optics |
Geothermal Resources Council Transactions |
2010 |
English |
| On the Performance of Ball Check Valves |
Hernandez-Galan, Jose L.; Buendia, Eduardo |
Ball check valves; Liquid dominated reservoirs; Equipment de |
Well Completion; Mexico; Valves; Water; Seals; Fluid Velocity |
Geothermal Resources Council Transactions |
1989 |
English |
| Graphic Representation of Geothermal Apparatus |
Hernandez-Galan, Jose Luis |
Industry standards; Symbology |
Power Generation; Graphical Standard; Symbology |
Geothermal Resources Council Transactions |
1988 |
English |
| Deep geothermal geological conditions and optimization of strategic favorable areas in Fujian-Guangdong-Hainan Area |
Herong Zheng, Ying Zhang, Jun Luo, Jianyun Feng |
Geology |
deep geothermal, geothermal geological conditions, strategic selection |
World Geothermal Congress |
2023 |
English |
| Geological Characteristics and Geothermal Genesis of Deep Granite Geothermal Reservoir in Southeast Coastal Areas in China |
Herong ZHENG, Zongquan HU, Jun LUO, Ying ZHANG, Jianyun FENG， Yan ZENG |
Geology |
southeast coastal areas, granite geothermal reservoir, geothermal resources |
World Geothermal Congress |
2020 |
English |
| A Geoscientific Approach in the Design and Success of the First Relief Well at the Leyte Geothermal Production Field |
Herras, E. B.; Caranto, J. A.; Palma, R. R. |
Drilling; Relief Well; Malitbog; Blowouts |
Drilling; Relief Well; Malitbog; Blowout |
Geothermal Resources Council Transactions |
2004 |
English |
| The Hydrological Model of the Mahanagdong Sector, Greater Tongonan Geothermal Field, Philippines |
Herras, E. B.; Licup, A. C., Jr.; Vicedo, R. O.; Parilla, E. V., Jr.; Jordan, O. T. |
Reservoir modeling; Hydrogeology; Exploration; Hydrothermal |
Exploration; Hydrology; Utilities; Philippines; Mahanagdong Claystone |
Geothermal Resources Council Transactions |
1996 |
English |
| Mechanism of Calcium Carbonate Scaling in Mahanagdong Geothermal Field, Leyte, Philippines |
Herras, Edwin B.; Salonga, Noel D.; Rossel, Josephine B. |
Scaling; Corrosion; Calcite; Calcium Carbonate |
Scaling & Corrosion; Calcite; Calcium Carbonate Scaling; Scaling; Mahanagdong Geothermal Field |
Geothermal Resources Council Transactions |
2000 |
English |
| Naphthalene Disulfonate Tracer Test Data from the Mahanagdong Geothermal Field, Leyte, Philippines |
Herras, Edwin B.; Siega, Farrell L.; Magdadaro, Medardo C. |
Reservoir Engineering; Tracer testing; Naphthalene Disulfona |
Reservoir Engineering; Tracers; Mahanagdong; Fluid Flow Paths |
Geothermal Resources Council Transactions |
2005 |
English |
| Sembalun Bumbung Geothermal Area, Lombok Island, West Nusatenggara, Indonesia: an Integrated Exploration |
Herry Sundhoro, Asnawir Nasution and Janes Simanjuntak |
Exploration and Development |
Sembalun Bumbung geothermal area, integrated exploration |
World Geothermal Congress |
2000 |
English |
| Geothermal Fluids Beneath Songa – Wayaua Area, Bacan Island, North Maluku Province - Indonesia |
Herry Sundhoro, B Sulaeman, and Yuanno Rezky |
11. Exploration |
Geothermal fluids, beneath Songa-Wayaua area |
World Geothermal Congress |
2010 |
English |
| Travertine Deposits Indicated of a Medium Enthalpy for a Geothermal Reservoir Beneath Dolok Marawa Area, Simalungun, North Sumatera Province - Indonesia |
Herry Sundhoro, Bangbang Sulaeman, and Dede Iim |
11. Exploration |
Travertine deposit, medium enthalpy, geothermal reservoir, beneath Dolok Marawa area |
World Geothermal Congress |
2010 |
English |
| Geothermal Fluids and Surface Manifestation in Gou Area, Flores Island: An Applied of GeoScientific Surveys in Geothermal Area |
Herry Sundoro, S Dwipa, J. Simanjuntak, A. Nasution, Arif Munandar, Setiadarma, Ashari, R. Hasan |
Earth Sciences |
Gou area, geothermal fluids, surface manifestations, applied of geoscientific surveys |
Indonesian Geothermal Association Conference |
2001 |
English |