World's Best Scientists 2026 revealed!

D-Index & Metrics

Engineering and Technology

D-Index
43
Citations
6313
World Ranking
6270
National Ranking
1729

Earth Science

D-Index
42
Citations
6238
World Ranking
5291
National Ranking
1976

Overview

Ahmad Ghassemi is affiliated with the University of Oklahoma in the United States. Their research spans various areas within engineering, with a focus on mechanical engineering, ocean engineering, mechanics of materials, geophysics, and environmental engineering. These fields contribute to a broad understanding of subsurface and structural processes relevant to energy and environmental applications.

Their recent publications address several aspects of hydraulic fracturing, geothermal systems, fracture mechanics, and geophysical interpretations. Notable papers include: Close Observation of Hydraulic Fracturing at EGS Collab Experiment 1: Fracture Trajectory, Microseismic Interpretations, and the Role of Natural Fractures (2021, Journal of Geophysical Research Solid Earth); Heterogeneous Fracture Slip and Aseismic-Seismic Transition in a Triaxial Injection Test (2020, Geophysical Research Letters); Heat production from lab-scale enhanced geothermal systems in granite and gabbro (2020, International Journal of Rock Mechanics and Mining Sciences); Finite element simulations of 3D planar hydraulic fracture propagation using a coupled hydro-mechanical interface element (2020, International Journal for Numerical and Analytical Methods in Geomechanics); and Laboratory-Scale Investigation of the Slippage of a Natural Fracture Resulting from an Approaching Hydraulic Fracture (2021, Rock Mechanics and Rock Engineering).

The scientist's main topics of work encompass:

  • Hydraulic Fracturing and Reservoir Analysis
  • Drilling and Well Engineering
  • Seismic Imaging and Inversion Techniques
  • Rock Mechanics and Modeling
  • Hydrocarbon exploration and reservoir analysis
  • Groundwater flow and contamination studies
  • Numerical methods in engineering

Frequent collaborators include Qian Gao, Dharmendra Kumar, Baohua Liu, Zhi Ye, and Pengcheng Fu. These partnerships are reflected in multiple coauthored papers, indicating ongoing research efforts in related topics.

The main publication venues for Ahmad Ghassemi's work are:

  • OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information)
  • Rock Mechanics and Rock Engineering
  • SPE Production & Operations
  • Proceedings of the 9th Unconventional Resources Technology Conference
  • Journal of Geophysical Research Solid Earth

The comprehensive output in engineering, especially with 115 publications, highlights a focus on multidisciplinary approaches. Mechanical engineering, ocean engineering, and mechanics of materials form significant subfields while geophysics and environmental engineering contribute further specialization.

Best Publications

  • A Review of Some Rock Mechanics Issues in Geothermal Reservoir Development

    A. Ghassemi

  • A three-dimensional thermo-poroelastic model for fracture response to injection/extraction in enhanced geothermal systems

    A. Ghassemi;X. Zhou

  • Injection-Induced Shear Slip and Permeability Enhancement in Granite Fractures

    Zhi Ye;Ahmad Ghassemi

  • Integral equation solution of heat extraction from a fracture in hot dry rock

    A. H.D. Cheng;A. Ghassemi;Emmanuel M Detournay

  • A 3-D study of the effects of thermomechanical loads on fracture slip in enhanced geothermal reservoirs

    A. Ghassemi;S. Tarasovs;A.H.-D. Cheng

  • Effects of heat extraction on fracture aperture: A poro–thermoelastic analysis

    Ahmad Ghassemi;Andrew Nygren;Alexander Cheng

  • Linear chemo-poroelasticity for swelling shales: theory and application

    A. Ghassemi;A. Diek

  • Changes in fracture aperture and fluid pressure due to thermal stress and silica dissolution/precipitation induced by heat extraction from subsurface rocks

    Ahmad Ghassemi;G. Suresh Kumar

  • A transient fictitious stress boundary element method for porothermoelastic media

    A. Ghassemi;Q. Zhang

  • A numerical study of sequential and simultaneous hydraulic fracturing in single and multi-lateral horizontal wells

    Varahanaresh Sesetty;Ahmad Ghassemi

  • Finite element analysis of coupled chemo-poro-thermo-mechanical effects around a wellbore in swelling shale

    Xiaoxian Zhou;Ahmad Ghassemi

  • Influence of coupled chemo-poro-thermoelastic processes on pore pressure and stress distributions around a wellbore in swelling shale

    A. Ghassemi;Q. Tao;A. Diek

  • Porothermoelasticity for swelling shales

    A. Ghassemi;A. Diek

  • A three-dimensional analysis of simultaneous and sequential fracturing of horizontal wells

    Dharmendra Kumar;Ahmad Ghassemi

  • A reactive thermo-poroelastic analysis of water injection into an enhanced geothermal reservoir

    Chakra Rawal;Ahmad Ghassemi

  • Three-Dimensional Poroelastic Modeling of Multiple Hydraulic Fracture Propagation from Horizontal Wells

    Dharmendra Kumar;Ahmad Ghassemi

  • Infill-Well Fracturing Optimization in Tightly Spaced Horizontal Wells

    Reza Safari;Richard Lewis;Xiaodan Ma;Uno Mutlu

  • An integral equation solution for three-dimensional heat extraction from planar fracture in hot dry rock

    A. Ghassemi;S. Tarasovs;A. H.-D. Cheng

  • Integral equation solution of heat extraction‐induced thermal stress in enhanced geothermal reservoirs

    A. Ghassemi;S. Tarasovs;A. H.-D. Cheng

  • Design, modeling, and evaluation of a doublet heat extraction model in enhanced geothermal systems

    Yidong Xia;Mitchell Plummer;Earl Mattson;Robert Podgorney

  • Porothermoelastic Analysis of the Response of a Stationary Crack Using the Displacement Discontinuity Method

    A. Ghassemi;Q. Zhang

Frequent Co-Authors

Lianjie Huang
Lianjie Huang Los Alamos National Laboratory
Alexander H.-D. Cheng
Alexander H.-D. Cheng University of Mississippi
Timothy J. Kneafsey
Timothy J. Kneafsey Lawrence Berkeley National Laboratory
Patrick F. Dobson
Patrick F. Dobson Lawrence Berkeley National Laboratory
Jonny Rutqvist
Jonny Rutqvist Lawrence Berkeley National Laboratory
Mark D. Zoback
Mark D. Zoback Stanford University
Roland N. Horne
Roland N. Horne Stanford University
Derek Elsworth
Derek Elsworth Pennsylvania State University
Brett M. Carpenter
Brett M. Carpenter University of Oklahoma

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