| Modelling of Turbulent Flow Transients Within Hot Dry Rock Fracture Systems: Preliminary Results |
T. Kohl, K.F. Evans, R.J. Hopkirk, R. Jung and L. Rybach |
SECTION 12 - Advanced Technologies (HDR - Magma - Geopressur |
forced fluid flow, fractured rock, hydraulic testing, non-laminar flow model |
World Geothermal Congress |
1995 |
English |
| Modelling Flow and Heat Transfer in Fractured Rocks: Application on Heat Extraction from Hot Dry Rocks |
Olaf Kolditz, Christoph Clauser, R¸diger Schellschmidt and R¸diger Schulz |
SECTION 12 - Advanced Technologies (HDR - Magma - Geopressur |
geothermal modelling, hot dry rock, fracture network |
World Geothermal Congress |
1995 |
English |
| Heat Extraction from HDR Geothermal Reservoirs |
Paul Kruger |
SECTION 12 - Advanced Technologies (HDR - Magma - Geopressur |
hot dry rocks, heta extration rate, flow tests |
World Geothermal Congress |
1995 |
English |
| Water-Rock Interactions During a Three Month Circulation Test at the Hot Dry Rock Test Site in Hijiori, Japan |
Isao Matsunaga, Akira Miyazaki and Hiroaki Tao |
SECTION 12 - Advanced Technologies (HDR - Magma - Geopressur |
hot dry rock, Hijiori site, fluid geochemistry, water-rock interaction |
World Geothermal Congress |
1995 |
English |
| State of Stress at the European HDR Candidate Sites Urach and Soultz |
Fritz Rummel and Gerd Klee |
SECTION 12 - Advanced Technologies (HDR - Magma - Geopressur |
HDR, stress-field, hydraulic-fracturing |
World Geothermal Congress |
1995 |
English |
| The nature and Occurrence of Geopressured Resources Areas in the State of California |
S.K. Sanyal, A. Robertson Tait, M. Kramer and N. Buening |
SECTION 12 - Advanced Technologies (HDR - Magma - Geopressur |
geopressure, California, methane solubility, temperature, borehole geophysics |
World Geothermal Congress |
1995 |
English |
| Status of Japanese HDR Project at Hijiori |
Yoshiteru Sato, Kunio Ishibashi, Toshio Takada and Tsutomu Yamaguchi |
SECTION 12 - Advanced Technologies (HDR - Magma - Geopressur |
hot dry rock, Hijiori HDR project, HDR resource, cost estimation, circulation test |
World Geothermal Congress |
1995 |
English |
| Geothermal Heat Mining by Controlled Natural Convection Water Flow in Hot Dry Rock for Electric Power Generation |
Gary Shulman and Robert Whitelaw |
SECTION 12 - Advanced Technologies (HDR - Magma - Geopressur |
heat mining, hot dry rock, natural convection flow, Shulman star heat mining concept, directional drilling, deep crustal heat |
World Geothermal Congress |
1995 |
English |
| Modeling Flow in a Jointed Geothermal Reservoir |
Daniel Swenson, Robert DuTeau and Timothy Sprecker |
SECTION 12 - Advanced Technologies (HDR - Magma - Geopressur |
HDR, fluid flow, coupled model, finite element, jointed rock |
World Geothermal Congress |
1995 |
English |
| Fracture Mapping and Determination of Horizontal Stress Field by Borehole Measurements in HDR Drillholes Soultz & Urach |
Helmut Tenzer |
SECTION 12 - Advanced Technologies (HDR - Magma - Geopressur |
borehole imagery, sonic logs, fracture mapping, HDR, Soultz, Urach |
World Geothermal Congress |
1995 |
English |
| Fracture Mechanics Models for Sensivity Analysis of Hydraulic Fracturing |
Ulrich Weber and Fritz Rummel |
SECTION 12 - Advanced Technologies (HDR - Magma - Geopressur |
hydraulic fracturing, Monte Carlo, fracture mechanism |
World Geothermal Congress |
1995 |
English |
| A Comparison of HDR Geothermal Sites |
J. Willis Richards, A.S.P. Green and A. Jupe |
SECTION 12 - Advanced Technologies (HDR - Magma - Geopressur |
geothermal, hot dry rock, reservoir characterisation, hydraulic stimulation |
World Geothermal Congress |
1995 |
English |
| Dissolution Kinetics of Quartz and Granite in Acidic and Basic Salt Solutions |
W. Gabriel Worley and Jefferson W. Tester |
SECTION 12 - Advanced Technologies (HDR - Magma - Geopressur |
dissolution kinetics, rock-water interactions, hot dry rocks |
World Geothermal Congress |
1995 |
English |
| Hydraulic Communication Tests at the Ogachi HDR Site, Japan |
Takeshi Yamamoto, Yasuhiro Fujimitsu and Isao Motojima |
SECTION 12 - Advanced Technologies (HDR - Magma - Geopressur |
hydraulic tests, reservoir parameters, HDR, Ogachi, Japan |
World Geothermal Congress |
1995 |
English |
| Methods for Detecting Perforations in Casings of Wells Exploiting Geothermal Fluids |
Afif Abou Akar, Ioannis Ignatiadis and Herve Lesueur |
SECTION 11 - Corrosion and Scaling |
Dogger aquifer, geothermal fluid, freshwater aquifer, corrosion, perforation, pollution, detection |
World Geothermal Congress |
1995 |
English |
| Modelling of Deposition Phenomena in Low Enthalpy Geothermal Wells |
Afif Abou Akar and Ioannis Ignatiadis |
SECTION 11 - Corrosion and Scaling |
geothermal well, corrosion, deposition, iron sulphide, modelling scaling, diffusion layer |
World Geothermal Congress |
1995 |
English |
| Study of the Electrochemical Behaviour of a Carbon Steel in a Real and Treated Geothermal Environment |
Mohamed Amalhay, Catherine Cotiche and Ioannis Ignatiadis |
SECTION 11 - Corrosion and Scaling |
carbon steel, corrosion, inhibitor, geothermal environmenthydrogen sulfide, electrochemical techniques |
World Geothermal Congress |
1995 |
English |
| Overview of the Deposition Phenomena in Geothermal Wells in the Paris Basin |
Mohamed Amalhay, Afif Abou Akar and Ioannis Ignatiadis |
SECTION 11 - Corrosion and Scaling |
Dogger aquifer, geothermal fluid, corrosion, scaling, iron sulphide |
World Geothermal Congress |
1995 |
English |
| Design of an Absorption Column for Steam Washing |
Paolo Andreussi, Alessandro Paglianti and Antonio Pasqualetti |
SECTION 11 - Corrosion and Scaling |
abatement, HCl, corrosion, heat transfer |
World Geothermal Congress |
1995 |
English |
| An Experimental Study of Sulfide Scale Formation in Pipes |
Nikolaos Andritsos and Anastasios J. Karabelas |
SECTION 11 - Corrosion and Scaling |
experimental, sulfide scaling, lead sulfide, iron sulfide, cadmium sulfide |
World Geothermal Congress |
1995 |
English |