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Keywords: viscosity
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Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0103
... tip. This ultimately results in a slight increase of fracture opening and net pressure. hydraulic fracturing fracture tip time step algorithm cohesive zone Upstream Oil & Gas Garagash net pressure toughness fluid lag modeling viscosity Detournay evolution time evolution fluid...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0263
... condition, the shear viscosity of the fracturing fluid remains over 50 mPa•s, with friction reduction above 75% for as long as 90 mins continuous shearing and the advantage of low residue, complete gel-breaking and low formation damage. The novel fluid system is a fit-for-purpose solution to the problem of...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0295
... validation propagation complex reservoir element method hydraulic fracturing viscosity solid model Fluid Dynamics pore matrix flow model capillary force Shale Rock fracture flow model 1. INTRODUCTION Shale gas and oil reservoirs have super-low matrix permeability. In order to develop shale...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0381
... ABSTRACT: Measuring proppant settling velocity in high viscosity friction reducers (HVFRs) plays a critical key for evaluating proppant transport in hydraulic fracture treatment. Settling of particles is governed by several factors such as fluid rheology (viscosity and elasticity), proppant...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0430
... increase the ROP. Li et al. (2015b) established a vibration model of rock under impact by simplifying the rock as simple springs and analyzed the influence of rock property parameters and impact parameters on rock response. Resonance is the ultimate goal of VID, and the viscosity characteristic of the rock...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0437
... of major NFs, followed by crossing with offset mechanism, in shale block-2. Secondly, the parametric studies are carried out to investigate the role of fluid flow rate (q), and fluid viscosity (µ) on different NF/HF interaction mechanisms. The effects of q and µ are discussed based on the total...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0433
... control production logging production monitoring hydraulic fracturing Upstream Oil & Gas viscosity sensor machine learning Artificial Intelligence deep learning subsurface virtual fiberoptic sensor fracture height hydraulic fracture physics-informed deep neural network analysis dataset...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1899
.... Although the effect of layered geomaterials in single fluid-driven fractures has been thoroughly discussed in previous studies, their effect on multiple simultaneous fractures is not well understood. In this study, the effect of the layered media, fracture intervals, injection rate and viscosity of the...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1944
... carbon dioxide injection deep underground including investigation on fault reactivation and potential leakage. We first test the flow simulator, matching the numerical solution with a pre-existing solution for density, viscosity, and mass fraction of dissolved carbon dioxide and water in aqueous and...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-2084
... modeling thermal method steam-assisted gravity drainage kg day stimulation cyclic steam stimulation Steam Stimulation equation steam injection water steam viscosity wellbore deformation pressure distribution heavy oil reservoir injection Injection Rate reservoir reservoir rock 1...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1952
... deformation during the fluid flow. And different combinations of fluids are employed to simulate both single- and two-phase fluid flow with various levels of viscosity, miscibility, and flow rate. It is observed that the viscosity of the fluids, the viscosity contrast, and miscibility feature between the...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-2159
... the elastic modulus of the coal seam as well as the injection rate and the viscosity of fracturing fluid on the fracture propagation. Numerical results indicated that indirect fracturing can significantly increase the propagation length of the fractures in coal seams compared with direct fracturing...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-2123
... discontinuities in geo-materials. A very satisfactory performance of the proposed method is observed in all the analyzed cases. flow in porous media granet storage viscosity Fluid Dynamics fracture length viscosity Adachi manzoli Upstream Oil & Gas fracture aperture regime discontinuity...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-2172
... zipper frac setup horizontal stress fluid viscosity viscosity proppant concentration complexity cumulative production zipper frac setup additional dollar fracture 1. INTRODUCTION Zipper fracturing has been adopted by companies in recent years as a method for completing horizontal wells in...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-2194
... study, VES fracturing fluid was prepared with surfactant (C 12 H 46 CIN, STAC), the micellar promoter (C 7 H 5 NaO 3 , Nasal) and clay controlling agent (KCl). The effect of temperature on viscosity of VES fracturing fluid was analyzed. The results indicate that the Nasal concentration has a great...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1696
... that TSO is a really existing phenomenon, and it surely causes the rapid rise in injection pressure. fracturing fluid injection pressure bentonite slurry CT scanner hydraulic fracturing CT image viscosity specimen fracturing materials Upstream Oil & Gas proppant rapid rise...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1755
... to further verify the correctness of the numerical development. flow in porous media contaminant viscosity Upstream Oil & Gas Simulation pressure head Artificial Intelligence two-phase flow relative permeability coefficient non-aqueous phase liquid contaminant formulation Fluid...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1800
... response of the proppant pack, fracture closure of potentially contacting rough surfaces, proppant embedment into fracture walls, and most importantly flexural displacement of the unsupported spans of the fracture. Results show that reduced fluid viscosity increases the length of the resulting fracture...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-933
... locations of the geometry. Due to the difference in the viscosities and densities of the fluids, a higher flow velocity was observed in the case of CO2 when compared to that of water and oil. As expected, a higher magnitude of flow was observed in the pores that have a smaller cross-sectional area. The...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-917
... specimens under different conditions such as in-situ stress, natural fracture size, rate and viscosity of fracturing fluid were tested to obtain the relation chart of hydraulic fracture morphology and in-situ stress and natural fracture size. According to the complexity, the hydraulic fracture was divided...

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