... and the difference between two methods was confirmed to be minimal. Upstream Oil & Gas inflection point Rock stress DRA method vertical stress orientation Finland Johansson Symposium stress estimation Reservoir Characterization overburden stress MPa situ stress ed-j isbn 978-951-758-1kl6-1...

..., with RQD 100 values filtered from the data. Results indicated that the in situ stress field is interacting with brittle deformation zones unless an unrealistically high fault plane cohesion of 6 MPa is considered. With more realistic parameters interaction is apparent up to a depth of ca. -350 m...

... strength) value of 99 MPa will not be exceeded anywhere within the model. An additional study of the radiogenic heating effect on the brittle deformation zones is included. The main conclusion is that, despite deep reaching damage potential in all the load cases studied the currently designed and used...

... Finland Johansson MPa variation shear wave velocity international symposium Rock stress mica gneiss specimen Upstream Oil & Gas show variation specimen gneiss specimen stress-strain curve Reservoir Characterization Raasakka loading step foliation plane loading step 8 7th...

... by using 6 different methods. The closure pressures from 4 methods were consistent with the actual minimum horizontal principal stress ( S h = 5 MPa). Considering the effect of experimental system flexibility, the measured reopening pressure and theoretical reopening pressure were compared...

... at this site is: 01 = 2.3 MPa dipping 2° at 284°GN o2 = 0.80 MPa dipping 1° at 14°GN o3 = 0.08 MPa dipping 8r at 128°GN 387 7th International Symposium on ln-8itu Rock Stress May 10-12, 2016, Tampere, Finland Johansson & Raasakka ( eds) ISBN 978-951-758-606-1 ISSN 0356-9403 The stress concentrations around...

... & Gas objective function Fluid Dynamics calculation optimization problem tectonic stress field machine learning flow in porous media boundary load Optimization Method strain energy density inversion calculation equation constraint field inverse analysis technology study MPa stress field...

... on the stability of slopes before the expanded mining. Reservoir Characterization acoustic emission specimen rock mass vertical stress Upstream Oil & Gas Measurement Site reservoir geomechanics core orientation technique Csiro fracture MPa stress value acoustic emission test stress state...

... was used for in-situ stress measurement in most of the 30 projects. hydraulic fracturing situ stress measurement reservoir geomechanics calculation mining design stress state metals & mining Engineering stress measurement result MPa stress measurement province Mining Engineering...

... shizishan copper mine is up to 1100m and many coal mines will enter into the depth of 1000∼1500m (Zhou & Xie 2005). metals & mining deformation failure characteristic reservoir geomechanics strength stability MPa Reservoir Characterization structural geology stress field Geostress...

.... (2005) determined the differential stress at San Andreas fault is on the order of 50MPa. Artificial Intelligence hauksson Geophy reservoir geomechanics resolution Reservoir Characterization MPa Upstream Oil & Gas vector structural geology Earthquake observational data inversion...

... interpretation method stress measurement interpretation fracture tunnel MPa maximum pressure shut-in pressure Rock Stress and Earthquakes Xie (ed.) © 2010 Taylor & Francis Group, London, ISBN 978-0-415-60165-8 Hydraulic jacking tests in crystalline rocks for hydroelectric projects in Quebec, Canada M...

... projects. This study concerns the rock-burst problems encountered in the deepest and larger of the Carrara Marble underground quarry: the Carlone quarry. reservoir geomechanics strength stress state Carlone quarry Upstream Oil & Gas quarry MPa Reservoir Characterization rockburst...

... Reservoir Characterization displacement strain gauge rosette excavation mass condition excavation profile rock mass failure MPa Sintef indication Upstream Oil & Gas instability tunnel procedure rock mass host rock Rock Stress and Earthquakes Xie (ed.) © 2010 Taylor & Francis Group...

... stress stress field permeability reservoir geomechanics water percolation rate 3 MPa China in-situ stress Rock Stress and Earthquakes Xie (ed.) © 2010 Taylor & Francis Group, London, ISBN 978-0-415-60165-8 Measurements and application of in-situ stress and related rock mechanics parameters...

..., geological disasters and engineering stability (Wu 1997&Cai 2000). Most parts of the deep-buried underground tunnel project in this paper lie in high stress area. Reservoir Characterization mudstone MPa stress measurement Upstream Oil & Gas deep-buried tunnel Tunnel Project reservoir...

... from the most recent hydraulic stress measurements at the Olkiluoto site, Finland (Fig. 1), are presented. Upstream Oil & Gas strength MPa hydraulic fracturing orientation borehole Reservoir Characterization tensile failure criterion borehole wall shear stress determination...

.... zonal isolation ground surface Ito MPa reservoir geomechanics Reservoir Characterization Upstream Oil & Gas well integrity flow rate borehole hydraulic fracturing test interval compliance application straddle packer deep rock stress measurement stress measurement borehole wall...

... 2009). reservoir geomechanics strength MPa wall rock overburden horizontal stress foliation plane situ stress principal stress Upstream Oil & Gas Reservoir Characterization orientation gneiss excavation rock mass tunnel initial stress Martin severe rockburst crystallized...

... Characterization orientation dam site stress direction reservoir geomechanics changjiang river maximum horizontal principal stress orientation Engineering mechanism stress orientation maximum horizontal stress value horizontal principal stress Upstream Oil & Gas fault structure MPa principal...