Fracture tortuosity
WebSep 1, 2010 · Summary. A model is developed for petrophysical evaluation of naturally fractured reservoirs where dip of fractures ranges between zero and 90°, and where … WebSep 1, 2024 · Near-wellbore fracture tortuosity has important impacts on the productivity of fractured oil and gas wells and the injectivity of CO2 or solids disposal injectors. Previous models for simulating ...
Fracture tortuosity
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WebApr 8, 2024 · The role of disorderliness in mechanical performance for natural cellular materials has not been fully understood yet. Existing research has suggested that introducing disorderliness to periodic cellular materials can cause a reduction in stiffness, strength, ductility, and fracture toughness (Romijn and Fleck, 2007, Chen et al., 1999, … WebJun 20, 2024 · Rock fracture mechanics is about understanding what will happen to the rocks in the subsurface when subjected to fracture stress. ... If the near-wellbore …
WebJun 17, 2008 · Abstract. A model is developed for petrophysical evaluation of naturally fractured reservoirs where dip of fractures ranges between zero and 90 degrees, and where fracture tortuosity is greater than 1.0. This results in an intrinsic porosity exponent of the fractures (mf) that is larger than 1.0.The finding has direct application in the evaluation … WebSep 25, 1994 · The success of most fracture treatments is primarily dependent on the ability to evaluate the characteristics and critical mechanisms that control how a formation hydraulically fractures. ... Dramatic improvements in near-wellbore tortuosity and improvements in proppant placement can be achieved by maximizing the viscosity of …
WebSep 21, 2024 · ABSTRACT. The complex fracture network in unconventional oil and gas reservoirs is the main channel for the fluid flow, and effective prediction of fracture … Webtortuosity. 1. n. [Formation Evaluation] A measure of the geometric complexity of a porous medium. Tortuosity is a ratio that characterizes the convoluted pathways of fluid …
WebMay 4, 2024 · A larger fracture complexity describes a more tortuous fracture. In porous media, tortuosity is commonly used to describe diffusion , which is defined as the arc-chord ratio: the ratio of the length of the curve to the distance between the ends of it. However, the real fractures are in three-dimensional, the whole volume and surface area of the ...
WebMar 10, 2015 · We thus developed and tested a modified LCL (MLCL) which takes into account local tortuosity and roughness, and works across a low range of local Reynolds Numbers. The MLCL is based on (1) modifying the aperture field by orienting it with the flow direction and (2) correcting for local roughness changes associated with local flow … propnight pcWebTortuosity. Tortuosity is an intrinsic property of a porous material usually defined as the ratio of actual flow path length to the straight distance between the ends of the flow path … propnight pc downloadWebAug 19, 2024 · (3) At a fracture bifurcation angle ranging from 0° to 45°, the oil recovery factor increased as the bifurcation angle increased. (4) At a fracture tortuosity of 1.0 to 1.24, changes in tortuosity had little effect on the oil recovery factor during the early stage of imbibition, while it significantly affected the distribution of the residual ... reputation management software on jvzooreputation of bear \u0026 son knivesWebNov 7, 1994 · SPE MembersAbstract. Near-wellbore tortuosity is one of many conditions that can cause additional friction pressure loss during the injection or production phase of a well. Production pressure loss reduces the potential production capacity of the well. In addition, difficulties with proppant placement are often attributed to the presence of … reputation management software for hotelsWebApr 12, 2024 · Results show that the variations of fracture aperture increase with the aperture and tortuosity, and the influence of tortuosity (increased by 47.97%) is greater than the aperture (increased by 4.8%). The reaction rate ratio is a logarithmic function of tortuosity and a power function of the fracture aperture. propnight platformsWebMar 24, 2024 · The connectivity of the pore/fracture system is the key to CO 2 injection and CH 4 production, which is of great significance in analyzing the correlation and weight of the influencing factors affecting the connectivity on the microscale. ... The Ferret diameter is 0-10 μm. The tortuosity is 2.27111, 1.9034, 3.98522, and 3.51516, respectively ... reputation mods for minecraft