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Keywords: fracture
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Proceedings Papers

Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0350
... artificial fractures in the rock formation, which could improve the efficiency of geothermal extraction. Therefore, understanding the mechanical characteristic of rock mass comprising the damage development and fracture propagation during and after the process of high-pressure injection was a key point...
Proceedings Papers

Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0315
...ARMA 23-315 A Machine Learning based proxy model for the rapid prediction of hydraulic fractures Varun Gupta, Alexandros Solomou, Padmanabh Limaye, Gauthier Becker, Abinesh M., Holger Meier, Dakshina Valiveti, Huafei Sun, Kelvin Amalokwu, Brian Crawford, Ripu Manchanda, Kaustubh Kulkarni ExxonMobil...
Proceedings Papers

Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0231
... ABSTRACT During hydraulic fracturing operations, proppants were usually pumped in a small-diameter, medium-diameter, and large-diameter sequence. Thus, the hydraulic fracture was propped by different size and types of proppants. It is found that the slurry operation parameters such as fluid...
Proceedings Papers

Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0285
... ABSTRACT The goal of this paper is to provide an overview of numerical simulation results aiding the development of a novel pulsed combustion-based wellbore fracturing technology. The technology can be used as a pre-conditioning and stimulation tool for in-situ recovery and cave mining...
Proceedings Papers

Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0260
... ABSTRACT Deep coal seams usually require hydraulic fracturing to enhance the coalbed methane productivity due to their low permeability and low porosity features. Identifying the initiation and propagation mechanics of deep coal seams could help to optimize the hydraulic fracturing design...
Proceedings Papers

Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0320
... in the discrete fractures (mechanics), while Amanzi solves subsurface multiphase flow and reactive transport, dfnWorks generates meshes with complex discrete fracture networks, and InyanCC links the mechanics and flow solvers while controlling the whole simulation processes. The advantages of this coupling...
Proceedings Papers

Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0272
... fracture catalog hydraulic fracturing geological subdiscipline magnitude united states government reservoir characterization rock fracture hampton brudzinski protocol stress condition investigation constraint energy release seismicity amplitude xiong & hampton geophysical research...
Proceedings Papers

Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0368
... ABSTRACT The brittle to ductile transition phenomenon in deep shale gas formations is a challenge for hydraulic fracturing and is of interest from both a geological and an engineering perspective. A series of uniaxial and triaxial compressive experiments at increasing confining pressures...
Proceedings Papers

Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0275
... ABSTRACT Fracture caging is a proposed approach to geothermal energy extraction that involves using one injection well and multiple boundary wells for continuous fluid injection at high rates and pressures while controlling induced seismicity. To validate this concept, a solid block...
Proceedings Papers

Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0237
... ABSTRACT Casing deformation is a common problem of shale gas development in Sichuan Basin, which makes it difficult to run fracturing strings. It has become a bottleneck of restricting the development of shale gas resources. Through the investigation and the reference of many related documents...
Proceedings Papers

Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0290
... ABSTRACT A key challenge in using geophysical monitoring to assess the stability of rock fractures is the ability to identify precursory signatures to slip. Laboratory direct shear tests were conducted on induced tensile fractures in Indiana limestone and Sierra White granite under...
Proceedings Papers

Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0372
... ABSTRACT An understanding of fracture slip susceptibility in geothermal reservoirs is central to the control of fluid injection induced seismicity. To investigate the role of regional fracture systems on induced seismicity, a coupled thermo-hydro-mechanical (THM) model containing fracture...
Proceedings Papers

Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0371
... ABSTRACT To investigate the mechanism of casing deformation and failure during volumetric fracturing of deep gas shale in Sichuan Basin, we put forward targeted comprehensive prevention and control measures. Based on the idea of geological-engineering integration, a three-dimensional geo...
Proceedings Papers

Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0359
... ABSTRACT Severe lost circulation in fractured formations is one of the most common and challenging problems in oil and gas drilling engineering. The lack of theoretical guidance on the selection of lost circulation materials (LCMs) for millimeter-level fractures results in unstable fracture...
Proceedings Papers

Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0384
... fractures in carbonaceous shales. And the resulting fractures would increase the permeability of the shale. In addition, repeated freezing also lead to the formation of conductive fractures in the shale. In conclusion, since LN 2 has low-temperature properties, has a freeze-damaging effect on reservoir...
Proceedings Papers

Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0497
... be measured by field-scale downhole tools with high azimuthal resolution. It is shown that the shape of the wellbore is different in producing sections/clusters and non-producing sections/clusters along the well. A pad-scale geomechanically fracturing-flow simulator is used to perform life-cycle simulation...

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