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1-16 of 16
Keywords: single fracture
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Proceedings Papers
Long-Term Permeability Experiments of a Single Fracture in Granite Under Thermal Conditions and Evaluation of the Aperture Distribution Through Microfocus X-Ray CT
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0393
... granite Fluid Dynamics Fracture Surface Roughness fracture single fracture different temperature permeability surface roughness Yasuhara permeability test aperture distribution ARMA 19 A393 Long-term permeability experiments of a single fracture in granite under thermal conditions...
Proceedings Papers
Modeling Fracture in Layered Formations Using a Simplified 3D Displacement Discontinuity Method
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-1079
... and memory utilization without a loss of accuracy. fracture length hydraulic fracturing stress correction factor Upstream Oil & Gas accuracy fracture height minimum horizontal stress fracture displacement discontinuity method penny-shaped fracture equation single fracture analytical...
Proceedings Papers
Study of Multiple Fracture Interaction Based on An Efficient Three-Dimensional Displacement Discontinuity Method
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 49th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2015
Paper Number: ARMA-2015-279
... geometry. To better model fracture interaction, an efficient and accuracy method is required. aperture height direction exterior fracture dimension propagation hydraulic fracturing fracture array upstream oil & gas fracture interaction single fracture internal pressure mechanical...
Proceedings Papers
Measurements of Fracture Aperture in Granite Core using Microfocus X-Ray CT and Fluid Flow Simulation
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 49th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2015
Paper Number: ARMA-2015-485
... occurs due to chemical and mechanical compaction. The chemical and mechanical compaction may include a pressure solution and a reduction in permeability could be explained by this pressure solution [1]-[5]. Yasuhara, et al. [6] conducted flow-through experiments on a single fracture in granite under...
Proceedings Papers
Elastic Waves That Propagate Along Fracture Intersections
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 48th U.S. Rock Mechanics/Geomechanics Symposium, June 1–4, 2014
Paper Number: ARMA-2014-7494
...-wave modes exist that propagate along fracture intersections. Ultrasonic waves propagated along the intersection between two orthogonal, synthetic fractures in aluminum were compared with waves that were propagated through the bulk and along single fractures as a function of stress. Intersections give...
Proceedings Papers
Seismic Detection of Flow Paths In a Air-Filled Fracture Under Stress
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 46th U.S. Rock Mechanics/Geomechanics Symposium, June 24–27, 2012
Paper Number: ARMA-2012-565
... ABSTRACT: Laboratory experiments were performed to determine the spatial variability of seismic fracture specific stiffness and the dominant flow path within a single fracture subjected to normal stress. Two cylindrical granite specimens were used in the study: an intact sample and a fractured...
Proceedings Papers
Topology Analysis Method For Water Flows In 2D Discrete Fracture Networks
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 46th U.S. Rock Mechanics/Geomechanics Symposium, June 24–27, 2012
Paper Number: ARMA-2012-676
... ABSTRACT: A new 2D numerical simulation method for water flows in discrete fracture networks is proposed. Firstly, hydraulic analysis of a single fracture is carried out. Each fracture in a discrete fracture network is treated as a weighted branch with a start node and an end node...
Proceedings Papers
Shear Specific Stiffness of Fractures And Fracture Intersections
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 46th U.S. Rock Mechanics/Geomechanics Symposium, June 24–27, 2012
Paper Number: ARMA-2012-294
... waste or storage repositories. While the effects of single fractures or sets of parallel fractures on seismic wave propagation have been studied by many scientists and engineers, little research has been performed to determine the role of fracture intersections on seismic wave attenuation and velocity...
Proceedings Papers
A Computational Study: The Scaling Relationship Between Fluid Flow And Displacement In Single Fractures
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 43rd U.S. Rock Mechanics Symposium & 4th U.S. - Canada Rock Mechanics Symposium, June 28–July 1, 2009
Paper Number: ARMA-09-144
... able to collapse the statistical fluctuations in these relationships by using zeroth order approach. 1. INTRODUCTION Understanding the mechanical and hydraulic properties of single fractures is important in many scientific and engineering fields, i.e, nuclear waste isolation, oil & gas...
Proceedings Papers
An experimental setup to investigate fluid flow through single fractures
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the DC Rocks 2001, The 38th U.S. Symposium on Rock Mechanics (USRMS), July 7–10, 2001
Paper Number: ARMA-01-0655
... through a single fracture depends on the spatial distribution of the aperture including their connectivity, the contact area distribution of the fracture and fluid properties. The aperture and the contact area distributions of a fracture depend on the stress system acting on the joint. This research deals...
Proceedings Papers
The water pressure tests and flow in single rock fractures
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the The 35th U.S. Symposium on Rock Mechanics (USRMS), June 5–7, 1995
Paper Number: ARMA-95-0901
... fracturing fracture characterization Upstream Oil & Gas Louis Granite Fracture laboratory test roughness regimen Rock mechanics single fracture borehole laminar borehole wall single rock fracture water pressure test diagram water loss fracture gradient permeability mechanics...
Proceedings Papers
Immiscible fluid flow in a fracture
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the The 33rd U.S. Symposium on Rock Mechanics (USRMS), June 3–5, 1992
Paper Number: ARMA-92-0571
... correlations. They found that relative permeabilities are sensitive to the nature and range of spatial correlation of the apertures. Pyrak-Noltet al. (1990) examined unsaturated flow in single fractures for the case of a non-wetting phase invading a wetting phase fluid (such as mercury injected into a fracture...
Proceedings Papers
Inversion of Hydraulic And Electrical Data For the Determination of Fracture Aperture
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the The 32nd U.S. Symposium on Rock Mechanics (USRMS), July 10–12, 1991
Paper Number: ARMA-91-1135
... ABSTRACT: A numerical procedure is presented for the simultaneous inversion of hydraulic and electrical data describing the flow of fluid and electrical current through a single fracture. Application of the inversion procedure to hydraulic and electrical data computed for an arbitrary aperture...
Proceedings Papers
Surface roughness and the physical properties of fractures
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the The 31st U.S. Symposium on Rock Mechanics (USRMS), June 18–20, 1990
Paper Number: ARMA-90-0269
... is the hydromechanical behavior of a single fracture. The mechanical and transport properties of fractures in rock depend on the topography of the contacting surfaces and the degree of mismatch between them. Understanding this behavior in the earth requires knowledge of how fracture topography and aperture scales...
Proceedings Papers
Some Recent Developments In Understanding The Hydrology Of Fractured Rocks
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the The 28th U.S. Symposium on Rock Mechanics (USRMS), June 29–July 1, 1987
Paper Number: ARMA-87-0421
... ABSTRACT ABSTRACT Current research on fracture hydrology at Lawrence Berkeley Laboratory is focused on two scales: the single fracture and fracture networks. In the area of single fractures, we have established a research program aimed at characterizing the geometry of the void spaces...
Proceedings Papers
Fracture Stiffness And Aperture As A Function Of Applied Stress And Contact Geometry
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the The 28th U.S. Symposium on Rock Mechanics (USRMS), June 29–July 1, 1987
Paper Number: ARMA-87-0673
... ABSTRACT ABSTRACT: An analytical model that assumes variable height asperities and full interaction between them has been developed and implemented numerically to study the behavior of a single fracture under stress. The model has been used to calculate specific stiffness and aperture profiles...