1-20 of 142
Keywords: MPa
Close
Sort by
Proceedings Papers

Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-007
... geologist hydraulic fracturing geological subdiscipline geology reservoir geomechanics upstream oil & gas australia government environmental science 833 confinement strength theory hoek-brown criterion engineering rock engineering rock mechanic mpa determination fracture...
Proceedings Papers

Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-013
... theory mobilization rock mechanic mpa geologist rock engineering reservoir characterization geology criterion australia government variation friction mobilization practice iop publishing iop conf strength friction angle cohesion degradation university Mechanics and Rock Engineering...
Proceedings Papers

Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-014
... publishing iop conf rock engineering fracture reservoir surveillance production control environmental science 833 upstream oil & gas hydraulic fracturing production monitoring forchheimer equation planetary science letter bedrock mpa equation geological subdiscipline photogrammetry...
Proceedings Papers

Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-078
... damaged by plastic pressure. Most of the cases are the former. geology practice iop publishing iop conf rock engineering roadbed deterioration invert geological subdiscipline tunnel bedrock theory rock type countermeasure construction mpa tuff breccia geologist reservoir...
Proceedings Papers

Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-162
... spalling around an underground excavation in hard rock. We summarize 59 UCS tests and 197 triaxial tests (σ 3 < 2.5 MPa) with sedimentary, magmatic, and metamorphic rocks, respectively, and defined robust CI and CD stresses. In this paper, we focus on the distortional strain energy at CI and CD...
Proceedings Papers

Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-114
... subdiscipline construction mpa loading discontinuity simplification reservoir geomechanics practice iop publishing iop conf formation theory Abstract This paper presents the details of the approach to numerical modelling of the subvertical rock slopes resulting from the deep excavations...
Proceedings Papers

Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-190
... ( σ h ≤ σ H ≤ σ V ≤ 45 MPa) on each loading axis. The device is based on a stiff steel frame that can be coupled to a servo-hydraulic testing machine that provides de vertical stress ( σ v ), while two high-pressure pumps are used to deliver the lateral stress ( σ H and σ h...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2020, June 14–19, 2020
Paper Number: ISRM-EUROCK-2020-030
... tunnels to determine similarities and differences. reservoir characterization structural geology gotschna tunnel road tunnel reservoir geomechanics upstream oil & gas correlation counter pressure mpa sulphate-bearing rock ground transportation steiner eurock 2020 heave lining...
Proceedings Papers

Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2017, June 20–22, 2017
Paper Number: ISRM-EUROCK-2017-065
... and schist are shown in Figs. 1–3, respectively. Upstream Oil & Gas Rock mechanics specimen procedia engineering 191 uniaxial compression reservoir geomechanics artificial geomaterial lateral pressure MPa ultimate strength Reservoir Characterization bedding angle international journal...
Proceedings Papers

Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2017, June 20–22, 2017
Paper Number: ISRM-EUROCK-2017-105
... induced microseismicity data were obtained from the stimulation test upon 140 m long open hole section at the well bottom. Wellhead pressure was up to 89 MPa and considerable level of flow rate was attempted up to 47 L/sec. Microseismicity observation showed a trend of lager and more frequent seismicity...
Proceedings Papers

Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2017, June 20–22, 2017
Paper Number: ISRM-EUROCK-2017-043
..., and laboratory investigation of the deformational behavior of rocks under alternative triaxial loading regimes is necessary. reservoir geomechanics CTC uniaxial amban mishra procedia engineering 191 deformational response experiment MPa loading Reservoir Characterization volumetric strain...
Proceedings Papers

Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2017, June 20–22, 2017
Paper Number: ISRM-EUROCK-2017-029
... technique requires tests which give opportunity to evaluate detonators' and highly energetic materials' working in the conditions of growing confining pressures. Upstream Oil & Gas inhibitor detonator gaseous product container detonation MPa ammonium nitrate metals & mining specific...
Proceedings Papers

Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2017, June 20–22, 2017
Paper Number: ISRM-EUROCK-2017-113
.... This study was intended for the semi-circular bend (SCB) test, which is one of the ISRM-suggested methods for determining the mode I fracture toughness of rock. The SCB test under various confining pressures from 0 to 10 MPa was performed using Kimachi sandstone. A finite element analysis of the SCB test...
Proceedings Papers

Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2017, June 20–22, 2017
Paper Number: ISRM-EUROCK-2017-109
... the earthquake was highly reliable. Reservoir Characterization flow rate borehole hydraulic fracturing interval pressure MPa Upstream Oil & Gas compliance borehole wall packer pressure reservoir geomechanics Yokoyama Earthquake stress measurement vertical stress hf test principal...
Proceedings Papers

Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2017, June 20–22, 2017
Paper Number: ISRM-EUROCK-2017-114
... values of PPV W , absolute values of the reduced stresses ranged from 250 to 450 MPa. They were below permissible stress for steel arch support, amounting to σ max = 623 MPa. The vibrations registered for seismic events at Bobrek field site were safe to maintain the stability of the excavations...
Proceedings Papers

Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2017, June 20–22, 2017
Paper Number: ISRM-EUROCK-2017-148
..., the average shear strength of grout samples increased with increasing curing time, Cube samples were suggested as a universal shape for testing resin products as they can be easily prepared and tested. metals & mining cohesion MPa Reservoir Characterization strength compressive strength...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-062
... (Chen & Egger 1999). Reservoir Characterization displacement rock joint Upstream Oil & Gas bolt rod procedure reservoir geomechanics Rock mechanics international journal Artificial Intelligence rock bolt MPa enriched finite element procedure stiffness matrix equation...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-043
... by the Brazilian test (Bri evac et al. 2015, Unlu & Yilmaz 2014). UTS BTS BTS/ Rock type (MPa) (MPa) UTS References Bowral trachyte 13.72 12.00 0.87 Jaeger (1967) Gosford sandstone 3.59 3.72 1.04 Carrara marble 6,90 8,72 1,26 Bane granite 13.45 14.34 1.07 Mellor & Indiana limestone 5.86 6.21 1.06 Hawkes (1971...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-130
... Reservoir Characterization Research Institute specimen triaxial test method discontinuity loading Upstream Oil & Gas axial strain MPa cyclic triaxial test triaxial test in-situ triaxial test small strain structural geology discontinuous rock mass evaluate dynamic deformation...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-154
... the world show that the ratio k tends to be high at shallow depth and that it decreases at depth (Brown & Hoek 1978, Herget 1988). reservoir geomechanics underground structure Rock mechanics tunnel axis Reservoir Characterization Engineering different loading condition MPa Upstream Oil...

Product(s) added to cart

Close Modal