Zobrazeno 91 - 100
of 250
pro vyhledávání: '"Fracture (geology)"'
Publikováno v:
Water Resources Research. 32:1943-1954
Experimental evidence is presented on the influence of specific surface area on the transport of the sorbing tracer strontium in fractures with uniform, but differing aperture. Specific surface area is defined as the ratio of the fracture surface are
Autor:
Guoliang Chen, Shlomo P. Neuman
Publikováno v:
Water Resources Research. 32:1891-1894
Existing linear theories for the onset of instability during immiscible fluid displacement in fractures and porous media are generalized to account for arbitrary fracture, mean flow, and fluid interface orientations. The generalized analysis shows th
Autor:
Carl E. Renshaw
Publikováno v:
Water Resources Research. 32:1519-1530
A fracture simulation model which incorporates the physics of fracture growth is used to investigate how the mechanics of fracture formation affect the flow characteristics of fractured systems. Fractures are assumed to grow subcritically with the gr
Publikováno v:
Water Resources Research. 48
[1] The volume of water released from storage per unit head drop per volume of an REV is a basic quantity in groundwater hydrology, but the details of the process of storage change in the vicinity of a well are commonly overlooked. We characterize st
Autor:
Kjetil M. D. Hals, Inga Berre
Publikováno v:
Water Resources Research. 48
[1] We study the geomechanical stress interaction between two injection points during hydraulic fracturing (hydrofracking) and how this interaction in combination with disorder influences the fracturing process. To this end, we develop an effective c
Publikováno v:
Water Resources Research. 48
Investigations of solute transport in fractured rock aquifers often rely on tracer test data acquired at a limited number of observation points. Such data do not, by themselves, allow detailed assessments of the spreading of the injected tracer plume
Publikováno v:
Water Resources Research. 48
[1] In this study a conceptual model that accounts for the effects of nonequilibrium contaminant transport in a fractured porous media is developed. Present model accounts for both physical and sorption nonequilibrium. Analytical solution was develop
Autor:
Young-Jin Park, Steven J. Berg, Tian Chyi Jim Yeh, Ken Ando, Rubaiat Sharmeen, Edward A. Sudicky, Walter A. Illman
Publikováno v:
Water Resources Research. 48
[1] The accurate characterization of fractured geologic medium, imaging of fracture patterns and their connectivity have been a challenge for decades. Recently, hydraulic tomography has been proposed as a new method for imaging the hydraulic conducti
Publikováno v:
Water Resources Research. 48
In-plane interfacial curvature plays an important role in shaping the phase structure during quasi-static immiscible displacement in horizontal rough-walled fractures. Existing approaches used in p ...
Autor:
David G. Evans
Publikováno v:
Water Resources Research. 31:2905-2915
Fluid electrical conductivity logging experiments introduced by Tsang et al. [1990] represent a new technology for studying the hydraulic properties of discrete fractures in open boreholes. These experiments consist of replacing water in the well bor