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Keywords: fracture intensity
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Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0105
... and a Distinct Element model to assess strata fracturing during longwall extractions. metals & mining Artificial Intelligence hydraulic fracturing Modeling & Simulation Fluid Dynamics flow in porous media fracture intensity abutment particle Queensland permeability enhancement aquifer...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0345
... ABSTRACT: A fracture network model provides a wealth of information concerning the characteristics of a rock mass, including fracture intensity, block size, and connectivity. This paper identifies methods to utilize information derived from DFN models. The fracture intensity of a DFN can...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0346
... representing block size and rock mass integrity derived from fracture network models are identified that can be incorporated into a RES solution. A new parameter for inclusion in existing solutions measuring fracture intensity variability is also presented. From analysis of a fracture network, estimations...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0376
... ABSTRACT: Discrete Fracture Network (DFN) modeling is an effective tool to estimate the distribution of rock block sizes. However, for stochastically generated DFN, the clustering of rock blocks is often difficult to emulate, and the locations of high fracture intensity areas are often...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1559
... of the rock. complex reservoir impedance dynamic fracture network generation deformation history growth timestep Proportion ray interaction hydraulic fracturing fracture intensity fracture network Terminate Timestep new method Upstream Oil & Gas intensity target size...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1716
... ABSTRACT: Rocks typically consist of continuous intact rock and discontinuities. Fracture intensity, one of the geometrical properties, plays an important role in mechanical behaviors and hydraulic conductivity of discontinuous rock masses. However, discontinuous rock masses exhibit spatial...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-878
... fractures, the effect of fracture intensity was minor and only affected the uniaxial compressive strength. For smoother fractures, the effect was more predominant on both stress-strain curves and macroscopic strength properties. As frictional values and fracture intensity decreased, the sample exhibited...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-1045
... rock mass strength hydraulic fracturing rock bridge percentage bridge percentage fracture characterization orientation complex reservoir DFN model Reservoir Characterization Upstream Oil & Gas fracture intensity step path rock bridge percentage stability configuration intensity...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0079
... kinematic aperture. They create an orthogonal joint system locally disturbed by minor faults. For these regular joints, we have calculated average fracture intensity parameter by averaging fracture area per cubic meter of rock. We also constructed rose diagrams of fractures orientation weighted with height...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0053
... manner and the spatial variability of fracture intensity was analysed to generate a geostatistical block model. The block model of volumetric fracture intensity value (P32) was then used an indicator of the rock mass structural character and fragmentation. Finally, the in-situ fragmentation curves were...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0339
... trace length Reservoir Characterization fracture characterization fracture intensity DFN model surface area dimension MoFrac tunnel plane stochastic fracture deterministic fracture tunnel wall intensity 1. INTRODUCTION The dynamics of a rock mass are related to the occurrence of natural...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0358
... dividing the entire rock mass model into cubes. The fracture intensity (P 32 ) of each specimen was measured. A series of parametric studies including dip angle, dip direction, Fisher constant K, size of rock mass model, shape of rock mass model, specimen volume, fracture diameter, and P 32 were...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0760
... are studied using synthetic rock masses generated by means of Discrete Fracture Network (DFN) models. RQD measurements are performed for rock masses with varying fracture intensity and by changing the orientation of the simulated borehole to account for orientation bias. The objective is to demonstrate...
Proceedings Papers

Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-814
... Abstract: This paper presents a methodology to predict the fracture intensity and to measure the uncertainty associated with it, which could be expressed in terms of variance or probability intervals conditioned to the information of the fractures observed on boreholes. The methodology...
Proceedings Papers

Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-777
... to the representative elementary volume (REV), Figure 2. reservoir geomechanics DFN model srm approach Reservoir Characterization Upstream Oil & Gas strength hydraulic fracturing Engineering complex reservoir fracture intensity variability synthetic rock mass SRM model rock mass strength rock...
Proceedings Papers

Paper presented at the 49th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2015
Paper Number: ARMA-2015-540
... tunnel fracture characterization fracture intensity thickness mapping artificial intelligence sweden hydraulic fracturing damage zone intercept reservoir characterization 1. THE ÄSPÖ HARD ROCK LABORATORY The Äspö Hard Rock Laboratory (HRL) is a key element in the research and design...
Proceedings Papers

Paper presented at the 47th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2013
Paper Number: ARMA-2013-175
..., the uniaxial strength decreases as the fracture intensity, expressed as P 21 , increases. There appears to be a threshold fracture intensity where the strength rapidly decreases but this threshold value is non-unique but related to flaw length. LdB granite uniaxial strength rock strength...
Proceedings Papers

Paper presented at the 47th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2013
Paper Number: ARMA-2013-462
...]. Measurements of aperture in conjunction with fracture intensity can be a good indicator of hydraulic permeability [10]. Ortega et al. [11] demonstrated how fracture-intensity estimates for a single rock volume can vary according to the scale of observation. Ortega et al. [11] proposed the collection...
Proceedings Papers

Paper presented at the 47th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2013
Paper Number: ARMA-2013-487
... Abstract: Recent Discrete Fracture Network (DFN) related analysis of a number of block caving projects has demonstrated the role that the 3D volumetric fracture intensity measure (P32) plays on controlling a number of rock mass properties critical to caving operations. P32 represents...
Proceedings Papers

Paper presented at the 46th U.S. Rock Mechanics/Geomechanics Symposium, June 24–27, 2012
Paper Number: ARMA-2012-668
... into a predictive model for estimating the field scale distribution of fracture intensity and also estimated initial production, a multivariate statistical analysis was utilised. This lead to the development of 3D predictive models that can be used in field development planning. 1. INTRODUCTION A common...

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