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Keywords: stress anisotropy
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Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-2020
... ABSTRACT: Sand rate prediction are important in hydrocarbon production to optimize production, increase recovery, and reduce costs and environmental footprint. Recently produced data from SINTEF's TTRX (True Triaxial) testing system reveal that stress anisotropy plays an important role...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1425
..., stress anisotropy, and temperature change in the tests. Pressure data shows that shale permeability can be enhanced under the coupling effects from water-shale interaction, stress anisotropy, and temperature change. The results reveal that increasing temperature difference between the shale formation...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1808
... ratio displacement upstream oil & gas operation microseismic event weijermar stress anisotropy linear superposition method microseismicity complex reservoir hydraulic fracture texas hft well fracture treatment principal stress trajectory individual fracture technology conference...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0137
... well trajectory should be around 45 degrees from maximum horizontal stress. Hence, the fluid density has been adjusted with respect to well trajectory parameters to mechanically stabilize the wellbore. Reservoir Characterization Upstream Oil & Gas well trajectory design stress anisotropy...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0238
... varying levels of axial and lateral stress anisotropy on hollow quasi-cylinder specimens and the sand onset and rate were obtained. The results are compared with analytical models for sand onset and sand rate predictions. A new series of models that accommodate the effect of axial and lateral stress...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0322
... complexity. All NFN properties (and other formation and stimulation treatment variables) together affect the final stimulated network; examples from the US Eagle Ford and Spraberry formations demonstrate some of these effects. In addition to NFN properties, fracture toughness and horizontal stress anisotropy...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1555
... in recent years in unconventional reservoir applications. In this paper, the microseismic monitoring is used to represent the stimulated reservior vloume (SRV), to indicate the relation between stress anisotropy and microseismic cloud shape. Xsite, a new, lattice-based software was used in an initial...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-869
... fractures and the greater the diversion of the fracture path along the natural fractures and the more complex the network. Also, the greater the stress anisotropy, the more likely a hydraulic fracture crosses a natural fracture. hydraulic fracturing complex reservoir Engineering orientation...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0715
... anisotropy and Poisson’s ratio. The stress alterations show a high sensitivity to stress anisotropy and are also affected by Poisson’s ratio. reservoir geomechanics Reorientation Reservoir Characterization vicinity hydraulic fracturing Simulation Upstream Oil & Gas deviation stress...
Proceedings Papers

Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-497
... geomechanical characterization of conventional and unconventional reservoirs. Therefore, the objective of this study is to demonstrate the effect of Thomsen's d on stress anisotropy in complex hydrocarbon reservoirs. We provided the relations between vertical and horizontal stress as a function of d...
Proceedings Papers

Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-625
... the geomechanical models, which can then be used as an optimization tool for future hydraulic fracture treatments in similar wells. A number of sensitivity studies of model input parameters are investigated including stress anisotropy, well orientations, DFN properties, and fluid viscosities. In addition...
Proceedings Papers

Paper presented at the 49th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2015
Paper Number: ARMA-2015-121
... are considered. A rigorous 2D numerical model based on coupling between fluid flow and rock deformation using displacement discontinuity method and fluid flow in the fracture is then described. The results of numerical simulations are presented to illustrate the effect of rock stress anisotropy, initial natural...
Proceedings Papers

Paper presented at the 49th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2015
Paper Number: ARMA-2015-342
... demonstrate the formation of PFS in both 2D plane-strain and full 3D simulations as validation of both the genetic argument and the computational approach. PFS are additionally observed to be sensitive to subtle horizontal stress anisotropy e.g. around salt diapirs or larger tectonic faults...
Proceedings Papers

Paper presented at the 49th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2015
Paper Number: ARMA-2015-507
... into the formation. When HFs are intercepting single or multiple NFs, complex mechanisms such as direct crossing, arresting, dilating and branching can be simulated. Based on the model, the effects of injected fluid rate, viscosity, NF orientation, NF permeability, NF cohesion and stress anisotropy on the HF-NF...
Proceedings Papers

Paper presented at the 48th U.S. Rock Mechanics/Geomechanics Symposium, June 1–4, 2014
Paper Number: ARMA-2014-7360
... production, it is critical to understand the placement of the induced fractures, their connectivity, extent, and interaction with natural fractures within the system. Stress anisotropy and interactions between new fractures and natural fractures in the formation can dictate the mode, orientation and size...
Proceedings Papers

Paper presented at the 48th U.S. Rock Mechanics/Geomechanics Symposium, June 1–4, 2014
Paper Number: ARMA-2014-7767
... geometries including the observed transition from random to preferential fault alignment with increasing degree of stress anisotropy. reservoir geomechanics Simulation polygonal fault system planform geometry evolution Reservoir Characterization mudstone diagenetic process geometry diagenesis...
Proceedings Papers

Paper presented at the 47th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2013
Paper Number: ARMA-2013-304
... of intermediate stress and gives good matches to the formation failure envelopes predicted by the numerical model. Artificial Intelligence reservoir geomechanics depletion stress anisotropy hole failure failure criteria prediction mc model Upstream Oil & Gas criterion red wildmoor sandstone...
Proceedings Papers

Paper presented at the 47th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2013
Paper Number: ARMA-2013-526
...; the highpressure/ high-stress behavior in the lower part of Vaca Muerta, where TOC is at maximum, causes stress anisotropy and impacts formation brittleness unfavorably; low pore pressure and stresses and high stress anisotropy favor fracture complexity; low values of cohesion, tensile strength and Poisson´s ratio...
Proceedings Papers

Paper presented at the 46th U.S. Rock Mechanics/Geomechanics Symposium, June 24–27, 2012
Paper Number: ARMA-2012-374
... Characterization sand production Exhibition spe annual technical conference procedure borehole stress anisotropy MPa laboratory experiment experiment stability spacer investigation fluid flow lateral stress 1. INTRODUCTION Laboratory experiments on sand formation stability were initially carried...
Proceedings Papers

Paper presented at the 46th U.S. Rock Mechanics/Geomechanics Symposium, June 24–27, 2012
Paper Number: ARMA-2012-373
... the stress anisotropy may have an impact on borehole failure and sand production mechanism. The simulation was used as a tool to optimize and plan the future tests conducted in the laboratory on cube samples. 1. INTRODUCTION A borehole drilled or perforated in a formation composed of unconsolidated...

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