... sandstone. However, serious interaction exists between fractures when multiple horizontal wells are fractured. Therefore, it is crucial to determine the fracture propagation mechanism in the multi-well pad fracturing. Additionally, the propagation of complex fractures makes it difficult for traditional...

... ABSTRACT: Reliable prediction and uncertainty quantification of hydraulic fracture propagation behavior are crucial aspects of unconventional reservoir development, however, their implementations are largely restricted by the huge computational cost of the high-fidelity model simulations. We...

..., forming carbonic acid, which can compromise geological formations and lead to stress corrosion cracking. Stress corrosion cracking (SCC), a chemical activation mechanism, involves fluid adsorption on crack surfaces and fluid-assisted crack propagation. While there is extensive research on the stress...

... ABSTRACT: Hydraulic fracturing is an essential stimulation technique for the effective exploitation of tight oil and gas reservoirs. The fracturing performance is closely related to the degree of reservoir remodeling. However, the mechanical mechanisms of fracture propagation and permeability...

... into two halves (Colback, 1966, Carmona and Aguado, 2012). geology microcrack wellbore design reservoir characterization international journal numerical investigation shear fracture mechanism acoustic emission propagation geologist reservoir geomechanics tensile strength granite...

... propagation fracture propagation morphology china university ARMA 24 0880 Numerical research of fracture initiation in hydrate reservoirs based on XFEM Jinshan Wang College of Safety and Ocean Engineering, China University of Petroleum, Beijing 102249, China Yiqun Zhang* College of Safety and Ocean...

... ABSTRACT: Simultaneous fracturing and zipper fracturing of horizontal wells has rapidly evolved to the development of unconventional oil and gas. The fracture interference when multiple fractures propagate needs further study. This paper experimentally investigates the sequential propagation...

... ABSTRACT: In the process of fracturing construction, the injection of high-pressure fluid will lead to the propagation of fractures at the first and second interfaces of the wellbore cement sheath, which seriously affects the integrity of the wellbore, and even cause the interlayer channeling...

... ABSTRACT: Volumetric fracturing technology is an effective tool for shale oil exploration. The developed bedding planes and strong inhomogeneity of continental shale make them limited in fracture seam height propagation, which restricts the efficient extraction of shale oil. To better...

... FDEM model was validated by laboratory experiments. The results indicate that when horizontal stress difference ratio is 0.4, radial borehole fracturing has a significant guiding effect on fracture propagation behavior. Radial borehole fracturing creates fractures with larger tortuosity and aperture...

... (Merzoug, Okoroafor, et al., 2023). fracture enhanced geothermal system geology injection wyoming configuration reservoir geomechanics propagation circulation fracture conductivity conductivity efficiency geologist dehdouh geological subdiscipline fracture propagation extraction...

... ABSTRACT: The carbonate formations are characterized by developing continuous grid-like fractured structures, which pose a great challenge on effective hydraulic fracturing. In order to investigate the fracture propagation behavior in such grid-like fracture carbonate reservoirs...

... ABSTRACT: We simulated the tensile fracturing process, capturing both microseismic events (acoustic emissions) and the dynamics of fracture propagation through high-speed photography. To record the millisecond-level fracture propagation, a synchronization circuit was employed, designed...

... solutions provides a common foundation for future work on two-way coupling and fracture propagation. The documented benchmark example and simulation results could be used to validate the modelling capabilities of other similar tools in the future. 1. INTRODUCTION Multidisciplinary studies related to CO...

...-existing fracture-cavity. The propagation of artificial fractures is investigated by changing the approach angle for fracture and maximum horizontal stress, and arrangement of pre-existing cavity. Moreover, re-injection experiments are used to evaluate the conductivity of fractures. The results indicate...

...-temperature, high-pressure, true triaxial experimental system. The study investigates fracture propagation characteristics under various formation stresses and initial rock temperatures while quantitatively analyzing post-fracturing parameters such as fractal dimension, using tools like surface profilometers...

.... Acoustic emission (AE) was used to provide additional details on the nature of crack propagation. 1. INTRODUCTION Coleman (1977) and Evans (2004) argue that an increase in volume during serpentinization of peridotites can be explained by immobility of Mg or Si ( i.e. similar MgO/SiO2 ratios between...

... ABSTRACT: Hydraulic fracturing is the primary method for increasing hydrocarbon production in the extraction of deep coal bed methane. Understanding the initiation and propagation mechanisms of hydraulic fractures in deep coal seams, as well as developing design principles for hydraulic...

... that can impact several critical aspects in unconventional reservoirs and enhanced geothermal systems, such as reservoir connectivity, fluid circulation, proppant transportation, and energy production efficiency. Modeling near-wellbore fracture initiation and propagation has been challenging due to complex...

... and high construction pressure, there is no mature experience to draw from. The bedding and cleats in coal seams are crucial to the initiation and propagation of fractures in deep CBM reservoirs. The existing stimulation conditions of large displacement and large liquid volume make the high fluid loss...