[HTML][HTML] Nanoscale mechanical property variations concerning mineral composition and contact of marine shale

Y Li, J Chen, D Elsworth, Z Pan, X Ma - Geoscience Frontiers, 2022 - Elsevier
Mechanical properties of shales are key parameters influencing hydrocarbon production–
impacting borehole stability, hydraulic fracture extension and microscale variations in in situ …

Laboratory observation of velocity anisotropy affected by clays and microcracks in artificial clay-rich shale samples

P Ding, D Wang, F Gong, L Wang, X Li - Journal of Petroleum Science and …, 2020 - Elsevier
Clays play important roles in velocity anisotropy. Unlike brittle minerals, eg, quartz, ductile
clays are commonly more easily affected by mechanical compaction. Hence, clays tend to …

Bayesian linearized inversion for petrophysical and pore-connectivity parameters with seismic elastic data of carbonate reservoirs

J Ba, J Chen, Q Guo, W Cheng, Z Yang… - … of Geophysics and …, 2024 - academic.oup.com
Carbonate reservoirs are important targets for promoting the oil and gas reserve exploration
and production in China. However, such reservoirs usually contain developed complex pore …

A multivariate statistical approach in correlating the acoustic properties with petrophysics and mineralogy on sandstones

S Garia, AK Pal, K Ravi, AM Nair - Geophysical Journal …, 2022 - academic.oup.com
We examined the effects of the petrophysical and mineralogical variables on the acoustic
properties of Upper Assam sandstones. All parameters were evaluated in the laboratory …

Evaluation of in situ elastic and mechanical anisotropic properties based on rock physics, well logs and drill cuttings: A case study from Palermo Aike shale in Austral …

CL Ravazzoli, G Panizza, E Camilion - Geoenergy Science and …, 2024 - Elsevier
During last years, the Palermo Aike (or Inoceramus) shale formation, in the Austral Basin of
Argentina, has received increasing attention from both the oil industry and academia. Due to …

Stress-dependent anisotropic rock physics modelling in organic shales of the inoceramus formation, Austral Basin, Argentina

G Panizza, CL Ravazzoli, E Camilión - Pure and Applied Geophysics, 2022 - Springer
We present an original anisotropic stress-dependent rock physics model for the organic rich
shales of the Inoceramus formation, the main source rock and unconventional reservoir in …

Micromechanical modeling of ultrasonic velocity for pore-structure and porosity characterization considering anisotropy in carbonate samples

J Mena-Negrete, OC Valdiviezo-Mijangos… - Geofísica …, 2021 - scielo.org.mx
This work presents an approach to characterize the pore-structure and anisotropy in
carbonate samples based on the Effective Medium Method (EMM). It considers a matrix with …

S-Wave Velocity Forecasting Using Drill Cuttings and Deep Hybrid Neural Networks: A Case Study on a Tight Glutenite Reservoir in Mahu Sag, Junggar Basin

F Xiao, X Li, S Zhang - Processes, 2023 - mdpi.com
S-wave velocity (Vs) is a critical petrophysical parameter for reservoir characterization. It is
desirable to predict Vs based on conventional logging data, but the logging cost is high …

Experimental Investigation on Organic Matter Orientation Characteristics of Terrestrial and Marine Shale in China

D Liu, H Ge, Y Shen, K Zhang - Geofluids, 2021 - Wiley Online Library
As an essential component in shale, OM (organic matter) grains and their arrangements may
play essential roles in affecting the anisotropy of the reservoir. However, OM grains are …

A rock physics analysis based on inversion of poroelastic Brown and Korringa parameters in Vaca Muerta shale: Theoretical aspects and applications

CL Ravazzoli, G Blanco - Journal of Petroleum Science and Engineering, 2021 - Elsevier
In their classical paper, Brown and Korringa (1975) developed a theory to describe the
elastic behavior of porous saturated rocks with microheterogenous frames, valid for isotropic …