Fracture-permeability behavior of shale

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WebAug 29, 2024 · The permeability of Nash Point Shale increases from a pre-fracture value of 10 −18 to 10 −20 m 2 (1 microDarcy, μD to 0.01 μD) to 2 × 10 −15 m 2 (2 milliDarcy, … WebMay 24, 2024 · The study used the fracture or cluster efficiency to simplify the impact of the fracture dimensions and conductivity, and no geomechanical impact was directly included in the study. The study concluded that the fracture spacing would range from 33 ft to 273 ft in Eagle Ford depending on matrix permeability and reservoir fluid properties.

Laboratory and Numerical Investigation of Hydraulic Fracture ...

WebApr 13, 2024 · Shale gas is an important unconventional oil and gas resource, which is rich in organic matter that is adsorbed in fractures and matrix pores (Chen et al. 2024).The shale gas exploration and development in the Sichuan Basin has begun since 2009, and shows a great reserve potential with a resource of 1.94 × 10 13 m 3.The Changning … WebFeb 21, 2024 · Joints are a common structure of heterogeneous shale rock masses, and in situ stress is the environment in which heterogeneous rock masses can be found. The existence of joint plane and confining pressure difference influences the physical properties of shale and propagation of fractures. In this study, jointed shale specimens were … fake money printable 20 dollars

[1803.09831] Multiphysics Lattice Discrete Particle Modeling (M …

WebNov 11, 2024 · @article{osti_1862409, title = {Acoustic velocity and permeability of acidized and propped fractures in shale}, author = {Ding, Jihui and Clark, Anthony C. and Vanorio, Tiziana and Jew, Adam D. and Bargar, John R.}, abstractNote = {We report that from geochemical reactions to proppant emplacement, hydraulic fracturing induces … WebThe fracture-permeability behavior of Utica shale, an important play for shale gas and oil, was investigated using a triaxial coreflood device and X-ray tomography in combination … WebOct 25, 2024 · The proposed model is used for the computational analysis of shale fracture permeability behavior by simulating triaxial direct shear tests on Marcellus shale specimens under various confining pressures. The simulated mechanical response is calibrated against the experimental data, and the predicted permeability values are also … dolphin flash player

$Evolution of fracture permeability and its ... - ScienceDirect$

Evolution of fracture permeability and its ... - ScienceDirect

WebApr 13, 2024 · Currently, the hydraulic fracturing technology is widely employed in engineering to improve the permeability of shale and the production efficiency of shale gas by creating artificial cracks (Hossain et al. 2000), and an in-depth understanding of the anisotropic mechanical properties and failure behavior of shales is fundamental for the … WebMar 26, 2024 · A three-dimensional Multiphysics Lattice Discrete Particle Model (M-LDPM) framework is formulated to investigate the fracture permeability behavior of shale. The … fake money printable black and whiteWebSep 10, 2024 · And the differences between the two kinds of samples in permeability were analyzed. The results show that permeability magnitude of fractured shale is … fake money printable philippines

"WebJul 8, 2024 · And Figures 13 and 14 demonstrate the fractures will penetrate the shale bedding plane with the increasing of shale bedding strength from 0.5 MPa to 4 MPa, as well as the intercluster stress interference and the height of the fractures continuously rise. The simulation results suggest that the propagation of the fractures in the direction of ... " - Fracture-permeability behavior of shale

Fracture-permeability behavior of shale

Energies Free Full-Text A Comprehensive Review of Fracture ...

WebJan 1, 2024 · Predicting upscaled permeability of fractured shale rock requires accounting for major permeable features, besides the ultra-tight matrix, such as OM, microfractures, … WebMar 1, 2024 · The gas flow behavior in the fractured shale is more sensitive at low-pressure condition whereas the gas rarefaction effect is more sensitive to the fractured shale with highly rough fracture or ...

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WebJun 25, 2024 · By introducing diffusion coefficients, such as hydraulic conductivity, permeability, and diffusivity in the sense of homogenization over the multiphase … WebNov 8, 2024 · After multistage hydraulic fracturing of shale gas reservoir, a complex fracture network is formed near the horizontal wellbore. In postfracturing flowback and early-time production period, gas and water two-phase flow usually occurs in the hydraulic fracture due to the retention of a large amount of fracturing fluid in the fracture. In order …

WebThe GRS fracture permeability declines during shearing while an increased sliding velocity reduces the rate of permeability decline. By comparison, the phyllosilicate-rich OPS has lower friction and strong stability while the fracture permeability is reduced due to the swelling behavior that dominates over the shearing induced permeability ... WebJan 1, 2024 · However, after most of the natural fractures have occurred failure under high-stress or high-pressure, shale permeability will turn to decrease as the stress continues to increase. This paper explores the inner mechanism and exterior behavior of shale permeability dependence on triaxial stress, pore pressure, and natural fractures failure.

WebMar 27, 2024 · The permeability characteristics of natural fracture systems are crucial to the production potential of shale gas wells. To investigate the permeability behavior of a regional fault that is ... WebOct 5, 2024 · Shale has the characteristics of tight matrix with ultra-low permeability. At present, with the progress of hydraulic fracturing and horizontal well technology, shale gas production has been effectively improved [1,2].Natural fractures developed in multiple tectonic stages, artificial hydraulic fractures reacted by improvement measures, and …

WebProduction of hydrocarbon from shale requires creation and maintenance of fracture permeability in an otherwise impermeable shale matrix. In this study, we use a combination of triaxial coreflood experiments and x-ray tomography characterization to investigate the fracture-permeability behavior of Utica shale at in situ reservoir conditions (25-50 oC …

Web1.Introduction. The pore space in shale plays is responsible for fluid storage and determines the maximum storage capacity (Mastalerz et al., 2013; Milliken et al., 2013) which is a requirement for predicting sweet spots in the reservoirs.Moreover, pore structures influence the occurrence state of the hydrocarbons (Yi et al., 2024) and determine the percolation … dolphin flower arrangementWebJul 22, 2015 · Carey, James William, Frash, Luke, and Viswanathan, Hari S. Triaxial experiment studies of fracture-permeability behavior of shale.United States: N. p., 2015. Web. dolphin flashlightWebNov 3, 2024 · The finite element code in ANSYS is used to simulate the shale reservoir/proppant contact-impact behavior in the fracture surface. The embedment depth of the shale samples was obtained by numerical as well as experimental methods and the permeability was calculated by the Kozeny–Carman correlation. fake money printable indianWebSep 13, 2024 · Under high temperature and stress reservoir conditions, proppant embedment induced by the time-dependent creep behavior of shale rocks has posed great challenges to the long-term maintenance of fracture conductivity in unconventional reservoirs. In this study, a numerical workflow combining a 3D continuum–discrete … dolphinfoobarWebApr 13, 2024 · The fracture length and aperture control the flow behavior of fracture networks. The fracture aperture and porosity are estimated by the fracture length . From the fracture aperture, the permeability of the fracture can be estimated. Simple and complex correlations were proposed for fracture permeability. dolphin fleet cape codWebMar 2, 2024 · Multistage hydraulic fracturing is one of the most prevalent approaches for shale reservoir development. Due to the complexity of constructing reservoir environments for experiments, numerical simulation is a vital method to study flow behavior under reservoir conditions. In this paper, we propose a numerical model that considers a … fake money printable poundsWebSep 1, 2024 · To address the challenges associated fracture sustainability, laboratory experiments and numerical simulations will be conducted in Phase II to investigate and understand (1) how hydraulic fractures produced in ductile shale behave over time to reduce its aperture and permeability; (2) how the proppant deposition characteristics … dolphin fon 20 maytronics