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Keywords: natural fracture
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Proceedings Papers

Paper presented at the SPE Canada Unconventional Resources Conference, September 28–October 2, 2020
Paper Number: SPE-199978-MS
... Abstract Geomechanics plays a significant role in hydraulic fracture initiation and propagation and in the interaction between hydraulic fractures and natural fractures, especially in unconventional reservoirs. This paper provides a detailed description of a geomechanical characterization and...
Proceedings Papers

Paper presented at the SPE Canada Unconventional Resources Conference, September 28–October 2, 2020
Paper Number: SPE-200021-MS
... recursive feedback with the cloud determines the role they play in the treatment and production processes. Considering the fact that the proppant-laden fluid is not as mobile as the clean fluid and does not travel far away from the well (e.g., gravity, friction, and natural fractures decrease the frac fluid...
Proceedings Papers

Paper presented at the SPE Canada Unconventional Resources Conference, March 13–14, 2018
Paper Number: SPE-189793-MS
... be employed to interpret minifrac pressure falloff behavior. Abstract Natural fractures, fissures, and microfractures are well-known contributors to production performance of shale reservoirs. Complex fracture geometries can be generated by either small-scale fracturing, DFIT, or large volume...
Proceedings Papers

Paper presented at the SPE Canada Unconventional Resources Conference, March 13–14, 2018
Paper Number: SPE-189810-MS
... drilling data real time system Upstream Oil & Gas frac engineer Reservoir Characterization modeling optimization geometry rock property completion optimization cluster efficiency workflow natural fracture drilling data wellbore fracture geometry frac design variability fracture new...
Proceedings Papers

Paper presented at the SPE Canada Unconventional Resources Conference, March 13–14, 2018
Paper Number: SPE-189801-MS
... Biot'scoefficient, δ ij is Kronecker delta operator, and t is time. Abstract Productivity of hydraulically stimulated unconventional wells depends greatly on the successful interconnection of the enhanced permeability and the natural fracture system. Such success is achived by proper understanding of the...
Proceedings Papers

Paper presented at the SPE Canada Unconventional Resources Conference, March 13–14, 2018
Paper Number: SPE-189826-MS
... From the above summary, it is concluded that the Duvernay possesses several properties that may complicate DFIT analysis: low matrix permeability, limiting leakoff from fractures; an extensive natural fracture system; and fine-scale mechanical layering, the latter two properties increasing the...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, February 15–16, 2017
Paper Number: SPE-185044-MS
... stress gradients resulting from the pressure depletion due to a nearby producing well and the fluid leak-off due to opening of natural fractures are fine-tuned to account for asymmetry observed in the geomechanical modeling. The role of the natural fractures is emphasized and practical approaches to...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, February 15–16, 2017
Paper Number: SPE-185029-MS
... Abstract Unconventional reservoirs, including shale formations and many tight-gas sands, contain natural fractures, fissures, faults, and microfractures that contribute to the rock flow capacity. In most cases, core-measured permeability, and especially crushed-core permeability measurements...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, February 15–16, 2017
Paper Number: SPE-185057-MS
... stages suggesting that these methods are not able to perfectly predict the hydraulic fracturing behavior in the study wellpad. Vertical extension of microseismic data with linear patterns into the Keg River formation below the shale formations suggests the presence of natural fractures in the study area...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, February 15–16, 2017
Paper Number: SPE-185062-MS
.... Application of the findings of this study to actual field scenarios will be presented as a separate work. enhanced recovery thermal method Modeling & Simulation steam-assisted gravity drainage natural fracture Upstream Oil & Gas grid block hydraulic fracturing shale reservoir SAGD...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, February 15–16, 2017
Paper Number: SPE-185083-MS
... proppant natural fracture fracture branch proppant transport interaction hydraulic fracturing cross-shape fracture fracture network hydraulic fracture reservoir society of petroleum engineers Natural fractures (NF) can exist in many shale and tight reservoirs, which can be observed from...
Proceedings Papers

Paper presented at the SPE/CSUR Unconventional Resources Conference, October 20–22, 2015
Paper Number: SPE-175909-MS
... Abstract It is generally believed that creating a Stimulated Rock Volume (SRV) is a good thing. Completion engineers talk about creating complexity, geologists talk about stimulating a natural fracture network, geomechanicists highlight the importance of low stress anisotropy. But how much do...
Proceedings Papers

Paper presented at the SPE/CSUR Unconventional Resources Conference, October 20–22, 2015
Paper Number: SPE-175910-MS
... However, there are many historical and current investment reports and occasional anomalously good well results, which get widely reported, claiming success from targeting natural fractures. In fact there is a very strong bias in publications against any negative results, which affects an...
Proceedings Papers

Paper presented at the SPE/CSUR Unconventional Resources Conference, October 20–22, 2015
Paper Number: SPE-175951-MS
... well wellbore fracture conductivity acid wormhole growth fracture leak-off case coefficient reservoir simulation fluid loss coefficient reservoir geomechanics natural fracture horizontal stress conductivity optimization study permeability This study is a continuation of our...
Proceedings Papers

Paper presented at the SPE/CSUR Unconventional Resources Conference, October 20–22, 2015
Paper Number: SPE-175971-MS
... Abstract A new workflow that uses the strain derived from geomechanical modeling of hydraulic fractures interacting with natural fractures is applied to an Eagle Ford well. The derived strain map is used to estimate the asymmetric half lengths that are input in any frac design software able...
Proceedings Papers

Paper presented at the SPE/CSUR Unconventional Resources Conference, October 20–22, 2015
Paper Number: SPE-175952-MS
... option by increasing the final oil recovery from 10% to 53% using optimal parameters. enhanced recovery neural network correlation Artificial Intelligence Upstream Oil & Gas shale play Reservoir Characterization complex reservoir natural fracture composition machine learning...
Proceedings Papers

Paper presented at the SPE/CSUR Unconventional Resources Conference, October 20–22, 2015
Paper Number: SPE-175980-MS
... results of zipper fracturing studies. By honoring the distribution of natural fractures and their properties, the reservoir heterogeneities will impact the hydraulic fracture propagation and geometry. The capability of the UFM to model interstage and interwell stress shadow enables a rigorous evaluation...
Proceedings Papers

Paper presented at the SPE/CSUR Unconventional Resources Conference, October 20–22, 2015
Paper Number: SPE-175972-MS
... Figure 6 (A) Evolution of proppant placement in a complex fracture network of configuration with favorable natural fracture orientations. ( B) Total proppant concentration versus time With these elementary tests it is clear that the physics of the fluid (or proppant) solid interaction...
Proceedings Papers

Paper presented at the SPE/CSUR Unconventional Resources Conference, October 20–22, 2015
Paper Number: SPE-175933-MS
... Some published papers can be referred for the basic equation of the propagation (ARMA 11-363 by Kresse et al. 2011 ), the natural fracture effects (SPE 139984 by Gu et al. 2012 ), and the stress shadow effects (SPE 140253 by Weng et al. 2011 and SPE 152052 by Wu et al. 2012 ). Abstract...
Proceedings Papers

Paper presented at the SPE/CSUR Unconventional Resources Conference, October 20–22, 2015
Paper Number: SPE-175937-MS
... important. The following sections discuss detailed field programs aimed at mapping both the natural fracture and hydraulic fracture distributions pre- and post-stimulation for use in a surfactant flooding reservoir model. An integrated program, consisting of logging, coring, pressure testing, and...

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