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Proceedings Papers

Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0057
... & gas directional drilling geological subdiscipline rotary steering tool geology geologist drilling equipment ipprst deflection capacity lateral force drilling operation angle change rate plane deflection force build-up rate asia government china government bur point-the-bit rotary...
Proceedings Papers

Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0122
... in the induced pore pressure in an anisotropic situation being opposite/enhanced to that of the isotropic situation on the 2D cross-sectional plane of the well. As the anisotropy index of the elastic parameters increased, the effective stress increased and was deflected at a certain angle. The effective hoop...
Proceedings Papers

Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0518
..., W, L, M, N). = 1112233 12 (1) where, 1 = 22 33)2 + 33 11)2 + 11 22)2 (2a) 2 = 223 + 223 + 223 (2b) and SR = strength-to-stress ratio, are the nine components of stress, and i = 1,3 are the three stress planes and j = 1,3 are the three stress directions. Nine strength tests were used...
Proceedings Papers

Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0732
... ABSTRACT This paper proposes end-to-end physics-informed image processing to construct the digital twin of laminated shale cores/specimens and extract the number, spacing, length, and frequency of bedding planes. Specifically, the image stitching technique was applied to eliminate any...
Proceedings Papers

Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0190
... failure tests. Table 2. In-situ effective stresses for the NF samples. Fig. 7. High resolution images from pre-test CT-scan of sample NF-B_1C. Image in top left is a 3D-perspective view with 3 orthogonal planes indicated by the red, green and blue lines. The other 3 images show the cross-sections through...
Proceedings Papers

Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0957
... ABSTRACT A novel formulation for a symmetric cohesive element is presented here, for hydraulic fracture modeling problems that involve one fluid driven crack with a plane of symmetry coinciding with the fracture plane. The formulation enables analyses by modeling only half the domain...
Proceedings Papers

Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0128
... and experimentally. The goal of this study is to evaluate anisotropic mechanical properties of shale by tri-axial tests and predict shale anisotropic properties by well logging data interpretation. Shale mechanical properties (Young's Modulus, Shear Modulus, and Poisson's Ratio) of different bedding plane...
Proceedings Papers

Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0270
... ABSTRACT We investigate horizontal stress variation in the vicinity of the deep-seated Balarud Lineament in the northern part of Iran's Dezful Embayment in the Zagros Fold and Thrust Belt (ZFTB). Both petrophysical data from drilled oil and gas wells (3-4 km deep) and earthquake focal plane...
Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0239
... ABSTRACT: Laboratory experiments have been carried out to investigate the growth of hydraulic fracture (HF) in an anisotropic rock with pre-existing discontinuities such as bedding planes and veins. The experiments are designed in light of scaling relationships that enable investigation...
Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0286
... can be present in the calibrated set. Further work is required for confirming these encouraging results by testing of broader range of stress configurations and applying the method to actual field measurements. tensor mpa upstream oil & gas reservoir characterization limitation plane...
Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0290
..., the well-known nonlinear nature of the failure surface in the meridian and equipressure planes. 1. INTRODUCTION Mohr-Coulomb (MC) failure criterion considers principal stresses σ I and σ III with a linear form: (Equation) where ϕ = friction angle, C o = uniaxial compressive strength...
Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0230
... boundary saturation extraction hydraulic fracturing flow assurance hydrate decomposition replenishment exploitation plane zhang hydrate reservoir stimulation evolution recovery depressurization ghb hydrate saturation ARMA 22 230 A study of natural gas hydrate reservoir stimulation...
Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0315
... a dynamic deformation process. Based on the Hertz elastic contact theory, this study establishes a two-dimensional finite element model of the contact deformation between the proppant sphere and the fracture plane. The model uses the spring as the medium to define the contact pair between them, and analyzes...
Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0365
... the fully coupled porochemoelastic responses for drilling an inclined borehole. Using the new solutions conducts several studies of the ultrafiltration effect on pore pressure, stress, and the time-dependent shear failure behaviors including intact rock matrix and weak plane around a horizontal borehole...
Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0517
... used in practical applications. upstream oil & gas trajectory design directional drilling north america government prediction inclination plane rotary steering tool ge wang wellbore trajectory drilling operation well planning trajectory plane orientation optimization method...
Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0655
... ABSTRACT: The development of weak plane of Longmaxi formations brings great challenges to the safe drilling of horizontal wells. Since 2018, hundreds of sticking problems caused by wellbore instability occur every year. It is seriously restrict the efficient development of shale gas. In order...
Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0557
... displacement tensile strength embedment plane bedding rutqvist shale-indentation experiment imaged shear strength fracturing fluid reservoir geomechanics modeling anisotropy synchrotron x-ray micro-tomography rutqvist evolution aperture micromechanical modeling ARMA 22 557 Micromechanical...
Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0807
... formations which suggests that these formations cannot act as a fracture barrier for hydraulic fracturing in the Baong formation. In addition, considering the RF stress state in the Baong formation and the bedding planes that dip at about 30°, horizontal hydraulic fractures can form propagating in all...
Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0747
... ABSTRACT: Bedding plane properties influence the failure behavior of laminated rocks such as slate and shale. For safe and stable underground coal mine design it is imperative to understand the relationship between the bedding plane strength and the failure of laminated rock. However...
Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0671
... upstream oil & gas artificial intelligence hydraulic fracturing borehole separation solid waste management blasthole boundary reservoir simulation reservoir characterization plane gpa paluszny international journal borehole separation three-dimensional blast-induced damage...

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