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Keywords: net pressure
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Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1945
... fracability) was calculated. Secondly, according to the relationship between the natural fracture open pressure and the net pressure calculated in main fractures, FCI (fracture complex index) between [−1,1] was put forward. Thirdly, Set LWD (Logging While Drilling) data as the input data, and shale...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-2023
... regimes of porous media flow. waterflooding regime initiation hydraulic fracturing transition borehole Upstream Oil & Gas borehole radius net pressure enhanced recovery solution space pore pressure field injection reservoir propagation breakdown correspond peak pressure...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-2071
... & Gas stress shadow fracture half-length application horizontal well pressure response representation length direction fracture net pressure geometry height fracture volumetric stress shadow 1. INTRODUCTION As multi-well pad operations become more complex and the natural variability...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1592
... to the cost saving and efficiency increase of hydraulic fracturing. 1. INTRODUCTION Wellbore Design net pressure experimental study wellbore integrity injection pressure MPa Upstream Oil & Gas sandstone hydraulic fracturing experiment fracture morphology pressure curve stress...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0103
.... 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 front Lecampion...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-327
... toughness Reservoir Characterization Upstream Oil & Gas mechanism stress difference crack tip Artificial Intelligence pore pressure net pressure Chen crack path haddad crack propagation propagation rupture angle fracture reservoir geomechanics displacement Wang propagation path...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-841
... interface frictional fracture net pressure propagation mechanical behavior shear dd fracture dimensionless shear dd interaction 1. INTRODUCTION Hydraulic fracture (HF) height is a crucial issue in hydraulic fracturing [1-2]. Various factors, such as in-situ stress, Young s modulus formation...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-1049
... and injection temperature depend on rock permeability. SAGD Simulation steam injection fracture-matrix system hydraulic fracturing liquid water net pressure water substance diatomite formation rock matrix enhanced recovery Upstream Oil & Gas fundamental behavior thermal method steam...
Proceedings Papers

Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-625
..., sensitivity studies are also used to understand the effect of various operational parameters on changes in various drilling and stimulation parameters. A series of charts showing the sensitivity of the model results (fracture geometry, net pressure, reservoir contact and microseismic activity) to both...
Proceedings Papers

Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-049
... stress in the reservoir (“net pressure”); and 2) difference between horizontal barrier stress and vertical stress normalized by the net pressure. Besides providing data for benchmarking numerical models, these experiments show that the observed height growth for the zero-toughness cases with no T-shaped...
Proceedings Papers

Paper presented at the 49th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2015
Paper Number: ARMA-2015-514
... stimulation hydraulic fracture natural fracture network stress field net pressure upstream oil & gas natural fracture pressure diffusion hydraulic fracturing friction angle weakness plane aperture microseismic event viscosity simulation 1. INTRODUCTION Numerous definitions of what makes...
Proceedings Papers

Paper presented at the 48th U.S. Rock Mechanics/Geomechanics Symposium, June 1–4, 2014
Paper Number: ARMA-2014-7540
... systems. aperture intersection angle complex reservoir shmax shmin 22 20 proceedings Upstream Oil & Gas Orthogonally MPa fracture mechanics symposium hydraulic fracturing natural fracture net pressure Symposium PFC domain propagation hydraulic fracture interaction Injection...
Proceedings Papers

Paper presented at the 48th U.S. Rock Mechanics/Geomechanics Symposium, June 1–4, 2014
Paper Number: ARMA-2014-7542
..., simultaneous hydraulic fracture stages, and sequential hydraulic fracture stages) on injection (net) pressure behavior is presented. The results were generated using a 2-D distinct element model and capture the important role that, for example, initial natural fracture aperture and in-situ pressure play...
Proceedings Papers

Paper presented at the 48th U.S. Rock Mechanics/Geomechanics Symposium, June 1–4, 2014
Paper Number: ARMA-2014-7763
... that the product of propagation velocity and fluid viscosity, (µ v ) that appears in the scaling controls the magnitude of the plastic zones and influences the net pressure and fracture geometry. Artificial Intelligence Simulation viscosity hydraulic fracturing flow rate net pressure propagation regime...
Proceedings Papers

Paper presented at the 48th U.S. Rock Mechanics/Geomechanics Symposium, June 1–4, 2014
Paper Number: ARMA-2014-6994
... fractures. The SIF for pressurized cracks was calculated for Mode I and Mode II, and it was shown that when the distance between hydraulic fractures increases, the Mode I SIF also increases and the Mode II SIF decreases.'ép. pore pressure net pressure displacement discontinuity Upstream Oil...
Proceedings Papers

Paper presented at the 47th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2013
Paper Number: ARMA-2013-435
... & Gas formula argument fluid modeling equation of state compressibility natural fracture conclusion reservoir geomechanics net pressure expression fracture compliance compressibility argument fracture propagation Lacazette Wellbore Design Raaen pressure drop fracture radial fracture...
Proceedings Papers

Paper presented at the 46th U.S. Rock Mechanics/Geomechanics Symposium, June 24–27, 2012
Paper Number: ARMA-2012-287
... field from the previous fractures, which results in higher net pressures, smaller fracture widths, and diminished microseismic emissions. The results of a numerical evaluation of the effect of stress shadowing, as a function of natural fracture and geomechanical properties, are presented, including...
Proceedings Papers

Paper presented at the The 42nd U.S. Rock Mechanics Symposium (USRMS), June 29–July 2, 2008
Paper Number: ARMA-08-321
... injection Completion Installation and Operations perforation geometry net pressure specimen fracture 1. INTRODUCTION This paper summarizes a series of hydraulic fracture tests done to observe fracture initiation and growth in a variety of simple geometries representative of possible field conditions...
Proceedings Papers

Paper presented at the Golden Rocks 2006, The 41st U.S. Symposium on Rock Mechanics (USRMS), June 17–21, 2006
Paper Number: ARMA-06-1021
... are available. Depending on the formation?s fluid loss properties and drilling operations, a typical injection may last from 30 minutes to several hours [3], after which the well is shut-in for hours to days; fluid bleeds off from the hydraulic fracture and the net pressure dissipates as the fracture closes...
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-05-697
.... That is, if an incorrect fracture geometry is assumed or calculated, no leakoff model, no matter how detailed it is, will predict correctly fluid leaked off. tight gas fracturing materials proppant hydraulic fracturing fracturing fluid Simulation shale gas Upstream Oil & Gas net pressure case 2...

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