... and clearly demonstrates its sound accuracy. Through case studies, it is found that the anisotropy of shale rocks significantly affects the stress interference among neighboring horizontal wells, which cannot be captured accurately by conventional approaches based on isotropic assumptions. In particular...

... microstructural changes, raising concerns about long-term CO 2 leakage risks. Existing models of scCO 2 transport through caprocks lack consideration for shale anisotropy. This study addresses these gaps by investigating the diffusive properties and propagation of geochemical reactivity in shaly caprocks...

... variable fracture conductivity, and anisotropy. The new generalized DPI technique is validated by applying to a field dataset where extended shut-ins (2+ days) were performed months after the interference tests, allowing independent assessment of the interference test interpretations. The generalized DPI...

..., and fracture toughness tests, was conducted on samples retrieved from depth from the Buckinghorse Formation. To evaluate the mechanical anisotropy the Formation, samples were tested at 0°, 45°, and 90° with respect to the bedding planes. Transverse isotropy of the mechanical properties is evident...

... complex reservoir hydraulic fracture planar fracture urtec anomaly anisotropy fracture complexity complexity correlation information Abstract Unconventional rock commonly includes sets of natural fractures of different orientation, intensity, and spatial variability. Observation...

... 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...

... timing parent well saturation study area well performance multi-disciplinary approach gradient fracture geometry permeability anisotropy Abstract North America's unconventional resource market is known to be home to the largest gas shale deposits of economic value. Although the recent...

... 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...

... 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...

... 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...

... 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...

... Abstract Estimates of in situ stresses and their changes upon production can be greatly influenced by the choice in poroelastic parameter values such as Biot coefficient and pore compressibility. In the determination of these parameters, grain compressibility and its anisotropy have emerged...

.... 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...

... 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...

... 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...

... 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...

... approximations because the latter are limited to weak impedance contrasts and weak anisotropy. The modeled AVO responses show that the seismic velocities are sensitive to V clay , and the bulk density is sensitive to TOC change. Moreover, we implement a sensitivity test for the A(intercept)-B(gradient)-C...

... 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...

... 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...

... 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...