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Keywords: anisotropy
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Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 13–15, 2023
Paper Number: URTEC-3864410-MS
... complex reservoir hydraulic fracture planar fracture urtec anomaly anisotropy fracture complexity complexity correlation information URTeC: 3864410 How Much Do Natural Fractures Matter in the Permian Basin? Systematic Study Using Cores, Image Logs, Physics Based Models, RTA, and Fiber Data...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 13–15, 2023
Paper Number: URTEC-3870990-MS
... that provide accurate compressional, shear, and anisotropy from the wellsite using new robust algorithms. A multimode (flexural and Stoneley) physics-based machine learning inversion is used to determine anisotropic constants accounting for mud-speed variations in the borehole to obtain the anisotropic...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 20–22, 2022
Paper Number: URTEC-3710162-MS
... stimulation stage anisotropy signature spatial distribution scenario das time shift response das time shift magnitude Abstract 4D DAS VSP is a real-time in-situ monitoring technique of stimulated rock volume in unconventional shale reservoirs. Latest field experiments using active seismic...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 20–22, 2022
Paper Number: URTEC-3726050-MS
... lamination bedding bedding reservoir anisotropy lamination bedding oklahoma expulsion reservoir hydrocarbon productivity carlos molinares-blanco hydrocarbon expulsion intensity energy economics shale gas unconventional resource economics woodford shale fracture source rock URTeC: 3726050...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 20–22, 2022
Paper Number: URTEC-3720351-MS
... Abstract Understanding the seismic anisotropy in organic-rich shales is important to quantify the variations of seismic properties with direction and invert for accurate reservoir properties from the seismic data. To characterize the shale anisotropy, we need to measure elastic stiffness...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 26–28, 2021
Paper Number: URTEC-2021-5186-MS
... permian basin anisotropy geometry azimuthal unconventional resource technology conference seismic stack URTeC: 5186 Illuminating Fine Scale Geology and Creating Robust Seismic Attributes Using High Trace Density Seismic Data in the Midland Basin Andrew Lewis*1, Bruce Karr1, Ron Bianco2, Stonnie...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 26–28, 2021
Paper Number: URTEC-2021-5200-MS
... anisotropy have emerged as the most difficult quantities to ascertain. The objective of this study is to investigate the microstructural controls on the effective grain compressibility as measured in the laboratory at close to in situ conditions, with the dual goal of incorporating microstructural...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 26–28, 2021
Paper Number: URTEC-2021-5271-MS
.... The geomechanical model is composed of a discrete fracture network (DFN) containing both regional (J1 and J2 sets) and tectonic fractures. These are interpreted from seismic attributes (anisotropy azimuth, seismic velocity anisotropy) and ant tracking. The UFM model simulates the growth of hydraulic fractures...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 26–28, 2021
Paper Number: URTEC-2021-5339-MS
... Abstract This research attempts to evaluate if anisotropy in fracture clustering translates into anisotropy in terms of flow properties. We considered a fractal-fracture model and data that comprise a set of three fracture maps collected from the Devonian sandstone of Hornelen Basin, Norway...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 26–28, 2021
Paper Number: URTEC-2021-5457-MS
... anisotropy from the wellsite using new robust algorithms. A multimode (flexural and Stoneley) physics-based machine learning inversion is used to determine anisotropic constants accounting for mud speed variations in the borehole to obtain the anisotropic (transverse isotropic) mechanical properties...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 26–28, 2021
Paper Number: URTEC-2021-5449-MS
... the distribution of crack orientations. Easing the restriction on the crack distribution width facilitates a more realistic representation of crack orientation anisotropy. We applied our model to organic-rich source rocks to quantify physically-meaningful crack properties, including normal-to-tangential compliance...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2020
Paper Number: URTEC-2020-3215-MS
... results, we categorized the evolution of strain into two major deformation regimes: A (high strain) and B (low strain). The application of these regimes can be extended to other geophysical parameters that are related to pressure, such as Thomsen’s anisotropy parameter, real conductivity, imaginary...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2020
Paper Number: URTEC-2020-1028-MS
... log analysis complex reservoir machine learning artificial intelligence upstream oil & gas seismic data reservoir characterization shale gas modeling coefficient rock physics model anisotropy variation seismic property toc well logging structural geology avo curve shale...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2020
Paper Number: URTEC-2020-2466-MS
... Abstract Objectives/Scope: The objective of this paper is to present measurements of elastic non-linearity and anisotropy of shale rocks from the Vaca Muerta Formation. The paper presents a full suite of triaxial tests on rock samples recovered from two wells and the corresponding analysis...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2020
Paper Number: URTEC-2020-2667-MS
... with acoustic velocities and anisotropy. However, discrete acoustic velocity variations associated with kerogen type and thermal maturity remain unclear. A scanning acoustic microscope is used to measure high resolution acoustic velocities on discrete laminae of variable organic content, type and maturity...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2020
Paper Number: URTEC-2020-2169-MS
... Abstract Acoustic anisotropy and heterogeneity of unconventional formations with ultrasonic slowness and reflectivity images acquired with a newly developed logging-while-drilling (LWD) tool is studied. Conventionally, acoustic anisotropy has been evaluated with dipole or unipole sonic tools...

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