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Keywords: resistance
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Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-2042
...-temperature resistance and cannot meet the site requirements, and the organic concentration of most polyacrylamide hydrogels is 0.6 wt% ~ 3.0 wt%, which further increases the economic cost of oil exploitation. In this work, organic zirconium is used to cross-link anionic polyacrylamide with large molecular...
Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0318
... faces greater challenges. In this paper, the temperature resistance, retardation, and conductivity of the new cross-linking acid were evaluated by rotating disk instrument, Haake Mars III rheometer, and FCS-842 conductivity meter, respectively. The results show that the viscosity of the cross-linked...
Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0388
... process. Based on the equations of friction resistance, a calculation method of vacuum section is proposed. Through the analysis of the casing force, a mathematical model for simulating casing deformation and calculating parameters such as displacement is established. The model is validated with data from...
Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0075
... the length of the suction bucket. The large diameter will significantly increase the manufacturing cost and installation cost, with the increase of bucket length, it is difficult for the bucket to install due to the increase of soil resistance. Therefore, it is necessary to design the size of the bucket...
Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0539
... a dynamometer load cell. Overall test results were compared together. The results showed that a single-chamfer cutter performs best under the dry VTL test without coolant and generates a lower cutting force. The dual chamfer geometries showed a significant impact resistance without compromising other properties...
Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0867
...., 2016). upstream oil & gas china government formula asia government shale gas assessment wellbore ant track deformation hydraulic fracturing probability calculation formula variation displacement resistance cement sheath magnitude permeability complex reservoir fracture...
Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0983
... the comprehensive performances of the novel system, such as temperature and shear resistance, friction reduction, gel breaking performance and core damage rate. The optimal formula of fracturing fluid was 54.3 wt.% weighting agent + 0.4 wt.% modified guar gum + 1.0 wt.% pH regulator + 0.5 wt.% crosslinker. Results...
Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-1021
... with the experimental data due to the existence of fitting parameters. 2) DCA deviates from equilibrium contact angle (ECA) more in capillaries with larger dimensions, which is due to the lower flow resistance and higher imbibition velocity. 3)With the decreases of the ECA, the deviation between DCA and ECA increases...
Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0158
... bit design teeth tooth application conical tooth paper strength composition resistance characteristic tarim basin conference white cutter str716zx ARMA 22 0158 Design and field application of large-size PDC bit in gravel layer in Tarim Basin Zhou Bo, Li Ning, Wang Shenglei, Zhou Bao...
Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0218
... test of different proppants. The experimental results show that the conductivity of gas measurement is much greater than that of liquid measurement, and the former is about 12.6 times that of the latter. Related to the air permeability and water-resistance of the experimental film coating material...
Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0563
...) A large number of open hole keyways are formed because connectors grind cuttings bed and wellbore; (2) Serious local cuttings accumulation at the connectors because of axial motion. Based on the above analysis, the mechanical resistance coefficient is introduced to characterize the local resistance...
Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0603
... radius of the casing, and increases with the increase of the wellbore radius. In addition, with the increase of drilling fluid density, the wear depth of the upper casing increases, and the wear depth of the lower casing decreases. The casing collapse resistance after casing exterior wear is studied...
Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0617
... and ensure smooth oil and gas production (Jordan et al., 2015; De et al., 2017; Hatambeigi et al., 2020; Valov et al., 2022). Cement has the disadvantages of high brittleness, poor corrosion resistance, and insufficient durability. Under the action of alternating load, micro-cracks and micro-annulus can...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1817
... discussed. The results showed that Changing area is in the reverse strike slip stress mode, and the difference between the shear stress and the sliding resistance on the fracture zone with high dip angle is the minimum, which is the internal reason why the fracture zone is easy to be activated. The sliding...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1192
... properties of the rock near the excavation zone (Tsang et al., 2012). reservoir characterization microcrack contribution dilation directional damage reservoir geomechanics resistance damage growth stress state stress difference volumetric strain rock mechanics etna basalt mpa upstream...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1195
... resistance internal friction angle structural geology drillstem/well testing plasticity upper duvernay criterion effective stress contribution vertical direction fracability elastic property gradient tensile strength upstream oil & gas pore pressure the overburden stress poisson...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-2043
... textures. Our study shows the possibility of accurately predicting fracture roughness and fracturing resistance in layered rocks given detailed mineralogical information. 1. Introduction Brittle failure in rock is common in nature. Understanding the mechanics and physics of brittle failure are crucial...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1661
... the strength behavior of soft rocks. This paper focuses on the pile design improvement in soft rocks by relating SPT N-values to hammer blow counts at the end of driving (EOD), which are further related to pile resistances from CAPWAP, using eleven test piles from an electronic database (WyoPile). These two...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-2014
... ABSTRACT: Rock scour evaluation procedures consider both the erosion capacity of flowing water and the resistance offered by the rock mass. The Block Scour Spectrum (BSS) provides a framework for assessing the rock mass resistance according to details of the discontinuity structure. This study...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1683
... the resistance during casing running. At present, the research on the floating casing technology at home and abroad mainly considers the influence of the theoretical calculation of the position of the floating collar on the medium density in the pipe or the influence of the medium density in the pipe(Li and Li...

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