Results 71 to 80 of about 11,537 (242)
Modeling proppant transport and settling in a 3D propagating fracture
Deep Underground Science and Engineering, EarlyView.A versatile multiphysics tool is presented for simulating the complex processes involved in hydraulic fracturing treatments. The model couples fracture opening and propagation, variable‐density slurry flow, and proppant particle transport within the multiphysics object‐oriented simulation environment framework, based on two‐phase mixture equations and ...
Robert Egert +2 more
wiley +1 more source
Deep Underground Science and Engineering, EarlyView.This study proposes an exponentially‐constrained Gaussian mixture model (EcGMM) to quantify vertical fracture heterogeneity in stratified roof strata. The model integrates a piecewise exponential decay term capturing global stress dissipation with Gaussian components representing localized fracture intensification at lithological interfaces.
Huiqing Yuan +5 more
wiley +1 more source
Deep Underground Science and Engineering, EarlyView.Well XA‐1, completed at a true vertical depth of 11 156 m in the Shawan Sag of the Junggar Basin, is the deepest predominantly near‐vertical well drilled in a sedimentary basin. The figure shows the basin's tectonic framework and well location (a), a structural cross‐section spanning the Shawan Sag and adjacent uplifts (b), and the stratigraphic column
Fangkai Liu +3 more
wiley +1 more source
Geodynamics and geochemistry processes of density convection in East European evaporite paleobasin
Литосфера, 2016 The article is devoted to the fundamental problem of modern fluid geodynamics and fluid geochemistry - clarifying the role of the gravitational factor in the formation of the East European kydrostratisfera sedimentary basin. The features of the Paleozoic
V. G. Popov +2 more
doaj +2 more sources
World's fastest 10 000‐m breakthrough: The XY‐22 well redefines deep‐earth access in the Tarim Basin
Deep Underground Science and Engineering, EarlyView.The Tarim Basin in northwestern China hosts one of the world's deepest petroleum systems, exemplified by the XY‐22 ultra‐deep well (bottom depth: 11 116 m; ~220°C, ~145 MPa). This study integrates tectonic mapping, geological cross‐sections, ultraviolet fluorescence microscopy, and optical photothermal infrared (OPTIR) spectroscopy to characterize ...
Qingwen Tan +4 more
wiley +1 more source
The development of Belarusian lakes during the Late Glacial and Holocene [PDF]
Estonian Journal of Earth Sciences, 2010 . Sediment cores from six lakes in northern, central, and southern Belarus were eõamined to establish correlationsbetween changes in lake conditions and catchment evolution since the Older Dryas.
Novik, Aliaksei +2 more
doaj
Deep Underground Science and Engineering, EarlyView.This work integrates 5 years of field data from the Aquistore CCS project with a non‐isothermal THM modeling framework to explain how cold CO2 injection alters injectivity over time. The study shows that sustained cooling near the wellbore reduces effective stresses, promotes tensile micro‑cracking, and leads to semi‑reversible permeability enhancement
Alireza Rangriz Shokri +3 more
wiley +1 more source
Prospects for the use of pumice from Georgia in lightweight concretes
Хімія, фізика та технологія поверхніLightweight concrete is a building material with a density not exceeding 2000 kg/m3. Its structure is determined by the structure of the used components and manufacturing methods.
G. P. Tsintskaladze +6 more
doaj +1 more source
Ecography, EarlyView.Understanding how deterministic and stochastic processes influence the shape of microorganism community assembly across different spatial scales is essential for disentangling biodiversity patterns. Mires are nutrient‐poor and heterogeneous wetlands that form isolated habitats supporting highly diverse diatom assemblages, particularly in mountainous ...
Fernanda Gonzalez‐ Saldias +4 more
wiley +1 more source