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Keywords: fracture closure
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Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1602
... ABSTRACT: When a hydraulic fracture is poorly supported by sub-monolayer proppant, acid treatment of a brittle, carbonate-rich shale fracture may be able to reduce proppant crushing and fracture closure by making the rock matrix more ductile. To test this hypothesis, a series of laboratory...
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-2021-1706
... duration shale oil upstream oil & gas reservoir characterization structural geology experiment differential stress creep behavior oil shale mechanics geomechanics symposium specimen creep relation shale rock fracture closure strain rate creep property deformation shale oil reservoir...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1859
... ABSTRACT: Hydraulic fracture closure plays an important role during the shut-in period after a stimulation operation and during production from a reservoir. Fracture closure characteristics define the productivity of the created fractures. Fast fracture closure can prevent proppant from...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1800
... (fracture) flow to Darcy (proppant pack) flow. At the maximum extent of the fluid-driven fracture, as driving pressure is released, a fracture closure model is employed to follow the evolution of fracture conductivity with the decreasing fluid pressure. This model is capable of accommodating the mechanical...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1996
... ABSTRACT: A series of laboratory in-situ visualization experiments was conducted on shale samples with different ductility (or brittleness) for improved understanding of the process of hydraulic fracture closure. In these experiments, a circular shale disc (diameter 44 mm, height 19 mm...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-695
... ABSTRACT: Hydraulic fracture closure plays an important role during the production of hydrocarbons. Modeling this closure is crucial for production performance evaluation and optimization. Conventional fracture closure models focus on the fracture domain and model the reservoir-fracture...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-111
... proppant bed fracturing materials Upstream Oil & Gas proppant concentration distribution conductivity fracture closure hydraulic fracture proppant fracture wall fluid pressure transmissivity evolution fracturing fluid arch zone fracture pressure decrease proppant pack proppant...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0285
... non-propped fracture model is established to simulate the fracture closure under normal stress, which consists of the elastic deformation caused by pressure drop in fractures and the deformation caused by formation creep behavior. The results of the simulation show that, the fracture closure caused...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0322
... that after one year the creep deformation is around 9% of fracture width and it will enhance proppant embedment and fracture closure during production process. The capacity of fracture flow conductivity can strongly decrease based on the creep deformation of shale rock after a few decades. In conclusion...
Proceedings Papers

Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-033
... al., 2015). Reservoir Characterization flowback phase horizontal stress hydraulic fracturing Raaen XLOT Upstream Oil & Gas Shmin fluid flow impermeable formation reservoir geomechanics pore pressure leak-off test fracture closure stiffness fracture propagation wellbore...
Proceedings Papers

Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-413
... compacted and the solid volume within them increased as s n increased. We observed that these sand-fiber islands supported the applied normal stress and prevented fracture closure, acting as pillars between the fracture surfaces. After injecting solids-free carrier fluid, while keeping s n =12.8 psi...
Proceedings Papers

Paper presented at the 48th U.S. Rock Mechanics/Geomechanics Symposium, June 1–4, 2014
Paper Number: ARMA-2014-7443
... hydraulic fracturing pore pressure stability diagram Reservoir Characterization plasticity pore stress state fracture closure fracture breakdown Upstream Oil & Gas formula horizontal stress situ stress plane breakout equation tectonic strain fracture principal stress 1. INTRODUCTION...
Proceedings Papers

Paper presented at the 47th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2013
Paper Number: ARMA-2013-545
... wellbore integrity Wellbore Design Efficiency closure reduction closure pressure log analysis Drillstem Testing pressure differential filter cake fracture closure fracture interpretation fracture propagation leak-off model packer wireline stress testing permeability expression...
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-09-088
... flowback test cycle 2 minimum in-situ stress stress determination determination stiffness XLOT fracture closure interpretation square root 1. INTRODUCTION The extended leak-off test (XLOT) has been the industry-standard for stress determination during drilling for some time [1, 2]. In hydraulic...
Proceedings Papers

Paper presented at the Alaska Rocks 2005, The 40th U.S. Symposium on Rock Mechanics (USRMS), June 25–29, 2005
Paper Number: ARMA-05-658
... is to determine various fracture treatment parameters such as fracture-closure pressure, instantaneous shut-in pressure (ISIP), fracture opening pressure, formation leakoff coefficient during a fracturing treatment, and fracture-entry pressure that can influence a fracturing treatment in order to optimize...
Proceedings Papers

Paper presented at the DC Rocks 2001, The 38th U.S. Symposium on Rock Mechanics (USRMS), July 7–10, 2001
Paper Number: ARMA-01-0655
... fracture closure spatial variation structural geology fluid flow behavior rock joint spatial distribution stress level normal stress fluid flow cubic law specimen flow behavior fracture contact area Rock Mechanics in the National Interest, Elsworth, Tinucci & Heasley (ecls), ¸ 2001 Swets...
Proceedings Papers

Paper presented at the The 34th U.S. Symposium on Rock Mechanics (USRMS), June 28–30, 1993
Paper Number: ARMA-93-0533
... to the general power-law rheological relation. They include the regimes of fracture propagation with constant inlet pressure and constant flow rate, the behavior of the fracture with constant volume after shut in, and fracture closure due to the well flow-out. The solution found can be used for approximate...
Proceedings Papers

Paper presented at the The 30th U.S. Symposium on Rock Mechanics (USRMS), June 19–22, 1989
Paper Number: ARMA-89-0057
...-Nolte et al., 1987) shows that the following formula fits laboratory data on natural fractures measurements better than the cubic law: (available in full paper) where Q is the flow rate, Q 8 is an irreducible flow rate, C is a fitted constant, d is the fracture closure under normal stress, d max...
Proceedings Papers

Paper presented at the The 28th U.S. Symposium on Rock Mechanics (USRMS), June 29–July 1, 1987
Paper Number: ARMA-87-1213
... the role of small and large scale roughness in determining fracture closure and energy losses within the fracture plane. The different scales of surface roughness first received attention in terms of their role in defining shear strength or friction between two rough contacting surfaces. Variations...

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