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Keywords: mechanism
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Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1214
... selection renewable energy mechanism utah forge well operational parameter lbf rop response ARMA 21 1214 ROP Model for PDC Bits in Geothermal Drilling Akhtarmanesh, S. Oklahoma State University, Stillwater, OK, USA Atashnezhad, A., Hareland, G. and Al Dushaishi, M. Oklahoma State University...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1051
... ABSTRACT: Casing damages have been found in many stimulated wells worldwide. While other mechanisms such as thermal and chemical can be responsible, this study focuses on geomechanical and mechanical contributions to casing damage during and after hydraulic fracturing. Through 2D numerical...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1063
... to establish the root cause of pressure ramp and implement preventive measures. It includes characterization of overpressure mechanism and steps for predictive modelling for planned locations. The first step involves the collection of information related to drilling complications, drilling parameters...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1680
... ABSTRACT: Continental shale gas is a new field of unconventional oil and gas resources. Systematic research on the rock mechanical properties of continental shale after being soaked with fracturing fluid is extremely scarce. For the first time, 7 types of continental shale cores of different...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1733
... characterization upstream oil & gas exhibition hydraulic fracturing pore pressure spe annual technical conference fracture propagation hydraulic fracture fracture wellbore perforation injection scheme complex reservoir mechanism sub-parallel fracture injection technology conference propagation...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1738
... thin reservoirs, communicate fractures in the interbedded formation, and accomplish volumetric fracturing. Based on the mechanism of hydrodynamic sealing and stress interference between cracks, a corresponding hydraulic jet fracturing tool was developed. Meanwhile, the design and optimization...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1739
... developed. By evaluating the time-variation of the source mechanisms of the AE events produced, it was noted that the number of AE events were spread-out throughout the specimen rather than concentrated near the flaws. This is interpreted to be a result of pore pressures diffusing through a larger area...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1897
... to earlier perforation failure but does not necessarily cause a significantly larger productivity decline. Different productivity decline mechanisms are also demonstrated with varying packing efficiencies and sandstone types. 1. Introduction Perforated casing is a common type of petroleum wellbore...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1281
... ABSTRACT: Hot dry rock (HDR) is an important global clean energy resource. However, the drilling process is difficult due to the hardness and abrasiveness of the rock. In this paper, the single PDC cutter tests were conducted to investigate the mechanism of rock breaking at different target...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1285
... Element Method (FEM) Thermo-Hydro-Mechanical (THM) program to evaluate the output fluid temperature and EGS reservoir response. A discrete fracture inside a deformable rock matrix is the base model. Conservation of energy, mass and momentum is established, and a mechanical constitutive law, Fourier's law...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1310
... upstream oil & gas mechanism rock stress stress field rock engineering cornet reservoir geomechanics structural geology rock mechanics stress determination rock mass françois international symposium injection fracture ARMA 21-1310 Remembering François H. Cornet s contribution...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1395
... ABSTRACT: In rock mechanics laboratory experiments, single-component acoustic emission sensors are commonly employed to monitor the failure process of rock, and from which basic information such as fracture types and location can be extracted. However, the spatial information of particle...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1758
... ABSTRACT: Stress corrosion cracking (SCC) is a chemically activated mechanism involving the adsorption of fluids on crack surfaces and the propagation of fluid-assisted cracks. In most cases, the underground rock is saturated with fresh or saltwater. To prevent SCC and predict the lifetime...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1801
... ABSTRACT: Hydraulic fracturing is a very complex process that involves the coupling of different competing mechanisms, such as mechanical deformation, fluid flow, and propagation of fractures. Therefore, understanding hydraulic fracturing and its characteristics are both critical...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1806
... seismicity, whereby the three principal mechanisms for induced-seismicity triggering are accounted for, and uncertainties in input parameters are addressed stochastically to provide a probabilistic assessment of induced-seismicity hazard. The models provide probabilities for the expected maximum magnitudes...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1818
... is that the fracture surface supporting body does not break during the production process, so that the fracture maintains a certain opening and have sufficient conductivity. Therefore, it is particularly important to study the failure mechanism of supporting body for unpropped fracture. In this paper, the outcrop core...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1819
... ABSTRACT: The mechanical properties of shale are greatly influenced by the fraction of organic matter in the shale. However, the effects of organic matter distribution on stress interference have not been well considered. Since parent- wells target "sweet spots," infill wells (child wells...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1133
... loading concentration proppant embedment experiment fracturing materials embedment fracture characterization fracture conductivity mechanism small particle marcellus shale effective stress reduction evolution petroleum engineer permeability ARMA 21 1133 Propped Fracture Conductivity...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1159
... method of rock softening degree of shale hydration was put forward. The rock mechanical parameters and the dynamic change law of induced microfractures were analyzed. The results shown that shale hydration has an important influence on rock mechanical parameters, in which rock compressive strength, peak...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1390
... (Si) shale, calcareous (Ca) shale and carbonaceous (C) shale. Two kinds of abrasive particles are used in the experiment. Rock mechanics experiment and rock mineral analysis were carried out for compositions and mechanical parameters. Moreover, the micro fragmentation mechanisms of shales...

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