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Keywords: saturation
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Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0035
... properties differ from formation to formation further requiring to optimize the design of the fracturing process. This paper aims to address one such issue by quantifying the reduction in breakdown pressure because of saturation condition of the reservoir. An experimental study is performed on tight...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0126
... original rock cohesion saturation hydrate NGH saturation tensile strength ABSTRACT: Special rock mechanical characteristics of natural gas hydrate (NGH) sediments lead to the inapplicability of traditional well stability models. In this paper, a new model to calculate the collapse pressure and...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0034
... numerical model saturation dependence imbibition curve equation flow in porous media Parlange numerical imbibition curve sarris negative value 1. INTRODUCTION The absorption or imbibition of a liquid, such as water, into porous media is governed by capillarity. The state of water in an...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0064
... Artificial Intelligence heat extraction rate Wang Upstream Oil & Gas fluid temperature geothermal reservoir co 2 MPa evolution wellbore geothermal development Chen gravity effect hydraulic fracturing Simulation fracture network storage fracture permeability saturation...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0409
... imbibition process induced by the gas pressure reduction after breakthrough. Several important parameters such as the gas shut-off pressure, the imbibing water saturation and the residual gas saturation are numerically predicted. enhanced recovery Reservoir Characterization operational safety...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1928
... hydrate landslide Upstream Oil & Gas hydrate decomposition Reservoir Characterization instability strength Thickness South China Sea equation hydrate layer Shenhu area hydrate dissociation safety factor saturation hydrate formation decomposition sediment slope stability 1...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-2044
... several sites of the region. In particular, the mechanical behaviour of these calcarenites results to be strongly affected by the presence of water in the pores, with strength and stiffness that significantly reduce in the transition from dry to saturated conditions; times and modes of saturation...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-2011
... coupling between flow and geomechanics simulators. We take linear interpolation of hydrate saturation-dependent geomechanics moduli. From numerical simulation, geomechanical failure near the wellbore is more possible when depressurization of the hydrate reservoir is larger or the contrast between initial...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-2132
... coal seam gas coalbed methane flow in porous media pore pressure co 2 MPa saturation permeability adsorption phase transition permeability evolution supercritical state pressure increase Upstream Oil & Gas scco 2 experiment effective stress Fluid Dynamics evolution critical point...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1801
.... Reservoir Characterization dissociation hydrate Artificial Intelligence saturation value saturation rock mechanical coupling study Drilling flow assurance natural gas hydrate comparative analysis matrix virtual sample equation hydrate bearing sediment Upstream Oil & Gas investigation...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1755
... ABSTRACT: The studies of Non-Aqueous Phase Liquid contaminants in groundwater are conducted in three stages: 1). Researches on the behavior of groundwater in saturated-unsaturated soils; 2) Researches on the transport mechanism of water-NAPL two-phase fluid contaminants in groundwater; 3...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-075
... concentration porosity solute fracture permeability strength water saturation imbibition fracture shale matrix transport equation Reservoir Characterization shale formation invasion complex reservoir Fluid Dynamics drilling fluid membrane permeability saturation equation 1 1. INTRODUCTION...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-1058
... ABSTRACT: In the reservoir, the saturation of water and oil changes with the long-term production and injection, which would affect the fracture process of rock during hydraulic fracturing. To identify the influence of water-oil saturation on the length of fracture process zone, the authors...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-371
... safety factor Fluid Dynamics temperature change air temperature rainfall coefficient rainfall infiltration infiltration intensity flow in porous media rainfall intensity stability permeability coefficient saturation intensity heat transfer Temperature Condition infiltration infiltration...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-365
... wettability plays a key role in water weakening. strength Reservoir Characterization porosity Brine mineralogy dodecane shale weakening Upstream Oil & Gas Wolfcamp reduction spectra wettability saturation Woodford imbibed sample hardness KCl brine average reduction shale sample...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-561
... equation Fluid Dynamics two-phase flow-driven fracture subdomain global pressure fracture flow in porous media Upstream Oil & Gas displacement modeling unknown variable pressure equation equation brittle material saturation model two-phase flow-driven fracture permeability unbroken...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-1193
... ABSTRACT: The presence of pore fluid tends to affect the rock's physical and mechanical properties. It potentially causes drilling problems, casing failures and improper fracture propagation. It is vital to understand how much the strength of the rock is affected when saturated with fluids...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-1300
... does not happen under the assumption of isotropy. Experimental techniques have been aimed at making reliable measurements of Skempton's coefficients taking into account the effect of the dead volume of the drainage system. Special attention has been dedicated to full saturation with the use of the back...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-1245
... specimens over a period of 3 minutes under a constant maximum force using a nano-DMA transducer. The experiments were performed on dry samples as well as saturated with water (1 cp and buffered with 30 ppm calcite powder) and silicone oil (100 cp). Thus, the fluids presented a wide variation in viscosity...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0306
... study presents experimental results of mechanical properties of sandstone saturated in water, oil, and NaCl brines to represent strength characteristics of sandstone oilfields and saline, mineral-bearing sandstone formations. Unconfined compressive strength tests were conducted on sandstone samples and...

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