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Keywords: closure stress
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Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1928
... drilling operation desroch closure stress building block injection rate information borehole stress-measurement campaign fracture protocol fracture closure tensile strength ARMA 21 1928 Stress-Measurement Campaign in Scientific Deep Boreholes: from Planning to Interpretation Desroches, J...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1318
... to obtain the morphological characteristics due to the influence of closure stress to micro-fractures. Therefore, it is necessary to study the deformation of tortuous micro-fractures under closure stress and clarify its propping principle. proppant upstream oil & gas hydraulic fracturing...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1323
... conductivity does not simply increase as a function of increasing concentration. At a certain closure stress, there may be an optimal proppant concentration to improve conductivity. Proppants could significantly enhance the capability of maintaining fracture conductivity under relatively high closure stress...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1221
... ABSTRACT: Acidizing is a safety, economic and effective stimulation technology in naturally fractured carbonate reservoirs with ultra-depth and high closure stress. The goal of acidizing for such reservoirs is to connect more natural fractures and create flow channel for oil and gas flow under...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1326
... etching, resulting in uneven fracture surface mismatch is the main reason for the higher acid fracture conductivity at low closure stress. Increasing acid speed will not be accompanied by linear roughness, mismatch, and aperture increasing all the time. Reasonably optimizing acid injection rate can obtain...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0266
..., the elastic-plastic deformation model of self-propped fracture is established. Then, through the deformation model solution, the contact state of the fracture surface is analyzed, the deformation and stress of the fracture are calculated, and the model of fracture flow channel under different closure stresses...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-2125
... conductivity. Partial-monolayer proppant placement could bring high conductivity under low closure stress, while multilayer proppant placement sustained enough conductivity under high closure stress. Optimal proppant parameters were changed with fracture surface roughness and closure stress. Taking initial...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1831
... fracture conductivity closure stress test result mechanical property spe annual technical conference compressive strength Embedment conductivity proppant embedment rock mechanical property frac fluid strength shale shale rock mechanical property reduction 1. INTRODUCTION Increasing demand...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1893
... with higher accuracy on REV scale and fine meshing of the flow field. A nonlinear fracture width calculation model for channel fracturing is coupled with LBM-CFD in order to get a more accurate prediction model of fracture conductivity. fracturing materials fracturing fluid proppant closure stress...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-1273
... was highly dependent on the complexity of the fracture networks. fracturing materials Upstream Oil & Gas conductivity test fracturing fluid roughness fracture conductivity proppant size proppant concentration closure stress hydraulic fracturing proppant embedment percentage embedment...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-225
... G-function model often lead to an underestimation of the closure stress, even for a planar fracture geometry. When a DFIT is conducted in naturally fractured reservoirs, the stimulated natural fractures can either alter the effective reservoir permeability within the distance of investigation...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-430
... superhigh-strength ceramic proppant system specifically engineered for extreme closure stress environments one of the wells experienced a sudden jump in average skin factor most likely related to progressive degradation of the fracture treatment due to high pace drawdown. In order to assist in answering...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-545
... case. Aiming at this problem, this paper investigates impacts of acid-rock contact time, acid etched fracture creep, proppant size and concentration on the long-term conductivity. The study shows that the acid propped fracture retained enough conductivity under high closure stress. Gelled acid fracture...
Proceedings Papers

Paper presented at the 49th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2015
Paper Number: ARMA-2015-420
.... Fracture closure has detrimental effect on the conductivity and therefore, should be prevented. Proppant is widely used in the hydraulic fracturing process and this material serves to keep the fracture open against closure stress. However, the mechanism by which the fracture is being held open...
Proceedings Papers

Paper presented at the 48th U.S. Rock Mechanics/Geomechanics Symposium, June 1–4, 2014
Paper Number: ARMA-2014-6962
... treatment. Hence, the proppant selection is of particular significance in petroleum industry. Due to recent advances in imaging technologies and high-performance computing, estimation of the elastic and transport properties of proppant packs at different closure stresses using imaged-based simulations...
Proceedings Papers

Paper presented at the 48th U.S. Rock Mechanics/Geomechanics Symposium, June 1–4, 2014
Paper Number: ARMA-2014-7408
... geometry statistical analysis fracture hydraulic fracture hydraulic fracturing injector closure stress conductivity gsa first-order index pillar proppant closure stress 1. INTRODUCTION The traditional goal of proppant placement has been to uniformly fill a fracture with proppant to maintain...
Proceedings Papers

Paper presented at the 47th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2013
Paper Number: ARMA-2013-555
... wells performance. shale gas Modeling & Simulation complex reservoir geomechanics geomechanics effect conductivity Barnett shale gas production Upstream Oil & Gas closure stress hydraulic fracturing decline rate shale gas reservoir shale sample cumulative gas production...
Proceedings Papers

Paper presented at the 46th U.S. Rock Mechanics/Geomechanics Symposium, June 24–27, 2012
Paper Number: ARMA-2012-605
... aperture hydraulic fracturing geothermal reservoir fracture face fracture conductivity permeability value fracturing materials closure stress fracturing fluid conductivity value flow rate experiment Artificial Intelligence Upstream Oil & Gas concentration normal stress proppant...
Proceedings Papers

Paper presented at the 45th U.S. Rock Mechanics / Geomechanics Symposium, June 26–29, 2011
Paper Number: ARMA-11-330
... to a magnitude of overpressure using empirical relationship such as those developed by [6] and [7]. Reservoir Characterization pore pressure closure stress reservoir geomechanics plateau prediction Upstream Oil & Gas velocity plateau Artificial Intelligence wave velocity Applicability...
Proceedings Papers

Paper presented at the 43rd U.S. Rock Mechanics Symposium & 4th U.S. - Canada Rock Mechanics Symposium, June 28–July 1, 2009
Paper Number: ARMA-09-012
... materials. fracturing fluid closure stress proppant 5 fracturing materials Upstream Oil & Gas hydraulic fracturing composition strength conductivity diagenesis reaction fracture-conductivity loss man-made proppant proppant mechanism exposure proppant pack bauxite proppant...

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