نتایج جستجو برای: fracture aperture

تعداد نتایج: 122733  

Journal: :Rock Mechanics and Rock Engineering 2021

Abstract Fractures provide preferential flow paths and establish the internal “plumbing” of rock mass. Fracture surface roughness matedness between surfaces combine to delineate fracture geometric aperture. New published measurements show inherent relation wavelength amplitude. In fact, data cluster along a power trend consistent with fractal topography. Synthetic created using this law, kinema...

Journal: :Energies 2023

Numerous reservoirs that play a significant role in worldwide petroleum production and reserves contain fractures. Typically, the fractures must form connected network for reservoir to be classified as naturally fractured. Characterizing with focus on its fracture is crucial modeling predicting performance. To simplify solution, dual-continuum techniques are commonly employed. However, use cont...

2013
Yi Xiong Litang Hu Yu-Shu Wu

A major concern in development of fractured reservoirs in Enhanced Geothermal Systems (EGS) is to achieve and maintain adequate injectivity, while avoiding short-circuiting flow paths. The injection performance and flow paths are dominated by fracture rock permeability. The evolution of fracture permeability can be made by change in temperature or pressure induced rock deformation and geochemic...

Journal: :Journal of Petroleum Science and Engineering 2022

Hydrocarbon well decommissioning requires the long-term sealing of abandoned wells. Current plug and abandonment (P&A) operations are not always able to address all potential fluid migration pathways, resulting in possible upwards hydrocarbons from formations penetrated by wellbore. The development innovative materials improve remains a major challenge. This paper presents proof concept for use...

Journal: :Quarterly Journal of Engineering Geology and Hydrogeology 2022

Usually, fracture sampling studies comprise the collection of several samples that involve many clusters. Grouping into structural domains is generally useful for geologists, hydrogeologists and geomechanicians as a region fractured rock subdivided subregions with similar behaviour in terms their hydromechanical properties. One common methods used grouping considers orientation clusters ignores...

Journal: :Journal of rock mechanics and geotechnical engineering 2022

The accurate evaluation of pore pressure and injected volume is crucial for the laboratory characterization hydromechanical responses rock fractures. This study reports a series experiments to systematically demonstrate effects external temperature dead on measurements in fracture. We characterize hydraulic aperture fracture as function effective normal stress using exponential model. model the...

S. Sadegh Hassani, Z. Sobat

Scanning Near-Field Optical Microscopy (SNOM) is a member of scanning probe microscopes (SPMs) family which enables nanostructure investigation of the surfaces on a wide range of materials. In fact, SNOM combines the SPM technology to the optical microscopy and in this way provide a powerful tool to study nano-structures with very high spatial resolution. In this paper, a qualified overview of ...

More than half of all hydrocarbon reservoirs are Naturally Fractured Reservoirs (NFRs), in which production forecasting is a complicated function of fluid flow in a fracture-matrix system. Modelling of fluid flow in NFRs is challenging due to formation heterogeneity and anisotropy. Stress sensitivity and depletion effect on already-complex reservoir permeability add to the sophistication. Horiz...

Journal: :international journal of civil engineering 0
m. fazlavi n. 21, arghavan, dibaji shomali, farmanieh, tehran e. haghshenas n. 21, arghavan, dibaji shomali, farmanieh, tehran

in this paper we are going to show the importance of mode identification in microtremor array analysis. the idea come from four concentric ambient noise array recordings with aperture 100 to 1000 meters, performed in southern urban area of tehran near the shrine of imam khomeini. these measurements were part of a comprehensive research project with the aim of determination of deep shear wave ve...

S. Sadegh Hassani, Z. Sobat

Scanning Near-Field Optical Microscopy (SNOM) is a member of scanning probe microscopes (SPMs) family which enables nanostructure investigation of the surfaces on a wide range of materials. In fact, SNOM combines the SPM technology to the optical microscopy and in this way provide a powerful tool to study nano-structures with very high spatial resolution. In this paper, a qualified overview of ...

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