Results 91 to 100 of about 435,541 (193)

Multioffset VSP for the integrated geophysical characterization of the Grado (NE Italy) carbonatic reservoir

open access: yes, 2013
We present the results of a multi-offset vertical seismic profile (VSP) acquired in the Grado-1 (North Eastern Italy) geothermal exploration well in the framework of an integrated VSP, seismic and gravimetric survey.
DELLA VEDOVA, BRUNO   +5 more
core  

Gibbs energy minimization thermodynamics for CO2 capture by aqueous amines: Conservation laws, concentration variables, and parameter consistency

open access: yesThe Canadian Journal of Chemical Engineering, Volume 104, Issue 12, Page 6878-6900, December 2026.
We clarify how Gibbs‐energy‐minimization models for aqueous‐amine CO2 capture fail when conservation constraints and concentration conventions are inconsistent. Exact standard‐state conversions and Reaktoro case studies show that P(CO2)‐loading fits can mask non‐unique parameters and wrong speciation, motivating complete water‐inclusive formulations ...
William R. Smith   +2 more
wiley   +1 more source

A sensitivity analysis of induced seismicity potential for geothermal direct heat production in faulted sedimentary aquifers: a case study in the Netherlands

open access: yesGeothermal Energy
Over the past decades there has been a significant increase in the direct utilization of geothermal power as a renewable energy resource. Low-enthalpy geothermal systems for direct heat production are commonly developed in sedimentary aquifers with high ...
Arjan Marelis   +2 more
doaj   +1 more source

Lithofacies and sandstone reservoir characterization for geothermal assessment through artificial intelligence

open access: yesResults in Engineering
Pakistan has potential for geothermal energy within the subsurface, but these resources are still unexplored due to limited research. The present study prime aims to utilize seismic and well data to explore the geothermal potential of the sandstone ...
Zohaib Naseer   +5 more
doaj   +1 more source

On the Computation of Crack Surface Normals in the Phase‐Field Model of Hydraulic Fracture

open access: yesProceedings in Applied Mathematics and Mechanics, Volume 26, Issue 4, December 2026.
ABSTRACT Hydraulic fracturing techniques have been used to extract oil from the Earth's crust and to enhance the efficiency of geothermal systems among other applications. Numerical simulation of hydraulic fracturing is essential for predicting the environmental impact of this method, as well as its efficiency in such applications. In the present work,
Anuj Gupte   +2 more
wiley   +1 more source

Stanford Geothermal Program, reservoir and injection technology. Fourth annual report

open access: yes, 1988
This annual report of the Stanford Geothermal Program presents major projects in reservoir and injection technology. The four include: (1) an application of the boundary element method to front tracking and pressure transient testing; (2) determination ...
Brigham, W. E.   +4 more
core   +1 more source

Experimental Evidence of Reaction‐Driven Fracturing and Ultramafic Rock Weakening Induced by CO2 Mineralization

open access: yesGeophysical Research Letters, Volume 53, Issue 21, 16 November 2026.
Abstract Carbon sequestration in mafic and ultramafic rocks offers a pathway to mitigate CO2 ${\text{CO}}_{2}$ emissions, while mineralization could precondition rocks for critical mineral extraction. However, the reaction‐driven fracturing processes that increase permeability and weaken rock remain underexplored.
Clay E. Wood   +3 more
wiley   +1 more source

Session: Geopressured-Geothermal

open access: yes, 1992
This session at the Geothermal Energy Program Review X: Geothermal Energy and the Utility Market consisted of five presentations: ''Overview of Geopressured-Geothermal'' by Allan J.
Eaton, Ben A.   +4 more
core  

Numerical Modeling of Geothermal Heat and Lithium Co‐Production in Fault‐Hosted Reservoirs

open access: yesGeochemistry, Geophysics, Geosystems, Volume 27, Issue 11, November 2026.
Abstract The global transition to low‐carbon energy systems is driving demand for lithium, a critical raw material for battery storage technologies. Geothermal brines, particularly in the Upper Rhine Graben (URG) in western Europe, offer a potential lithium source co‐produced with heat, providing economic and strategic benefits.
B. Lamy‐Chappuis   +2 more
wiley   +1 more source

3D Visualization of Geothermal Features

open access: yes, 2005
In this study, 3D visualization of temperature distribution in the Kizildere geothermal system and low resistvity distribution in Salavatli geothermal system were built using 3D interpolation and extrapolation techniques.
Serpen, U, Aksoy, N, Kaya, E
core  

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