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Earth Science

D-Index
44
Citations
7915
World Ranking
4686
National Ranking
1792

Overview

Timothy J. Kneafsey is affiliated with the Lawrence Berkeley National Laboratory in the United States. Their research spans multiple fields within engineering and earth sciences, with a strong focus on geophysical processes and subsurface engineering.

Their work primarily covers the main fields of Engineering and Earth and Planetary Sciences. More specifically, their subfields of study include Geophysics, Ocean Engineering, Mechanical Engineering, Environmental Engineering, and Atmospheric Science.

Kneafsey has contributed significantly to several key topics related to subsurface engineering and geophysical analysis, including:

  • Hydraulic Fracturing and Reservoir Analysis
  • Seismic Imaging and Inversion Techniques
  • Drilling and Well Engineering
  • Seismic Waves and Analysis
  • Groundwater flow and contamination studies
  • CO2 Sequestration and Geologic Interactions
  • Methane Hydrates and Related Phenomena

Their publication record shows frequent contributions to well-known research venues. Notable venues for their work include:

  • OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information)
  • Journal of Geophysical Research Solid Earth
  • Geothermics
  • Fuel
  • Geophysical Research Letters

Kneafsey has collaborated frequently with several coauthors across their projects, including:

  • Hunter Knox
  • Paul Schwering
  • Patrick Dobson
  • Jeffrey Burghardt
  • Pengcheng Fu

Some of their recent papers include the following:

  • "An international code comparison study on coupled thermal, hydrologic and geomechanical processes of natural gas hydrate-bearing sediments" (2020), published in Marine and Petroleum Geology
  • "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
  • "Creation of a Mixed-Mode Fracture Network at Mesoscale Through Hydraulic Fracturing and Shear Stimulation" (2020), Journal of Geophysical Research Solid Earth
  • "Constraining maximum event magnitude during injection-triggered seismicity" (2021), Nature Communications
  • "Relative permeability of gas and water flow in hydrate-bearing porous media: A micro-scale study by lattice Boltzmann simulation" (2022), Fuel

Best Publications

  • PHYSICAL PROPERTIES OF HYDRATE-BEARING SEDIMENTS

    William F. Waite;J.C. Santamarina;D.D. Cortes;Brandon Dugan

  • Challenges, Uncertainties, and Issues Facing Gas Production From Gas-Hydrate Deposits

    George Moridis;Timothy S. Collett;Mehran Pooladi-Darvish;Steven H. Hancock

  • Methane hydrate formation and dissociation in a partially saturated core-scale sand sample

    Timothy J. Kneafsey;Liviu Tomutsa;George J. Moridis;Yongkoo Seol

  • Hydrate morphology: Physical properties of sands with patchy hydrate saturation

    S. Dai;J.C. Santamarina;William F. Waite;T.J. Kneafsey

  • Laboratory flow experiments for visualizing carbon dioxide-induced, density-driven brine convection

    Timothy J. Kneafsey;Karsten Pruess

  • Cryogenic fracturing for reservoir stimulation – Laboratory studies

    Minsu Cha;Xiaolong Yin;Timothy Kneafsey;Brent Johanson

  • Dewetting of Silica Surfaces upon Reactions with Supercritical CO2 and Brine: Pore-Scale Studies in Micromodels

    Yongman Kim;Jiamin Wan;Timothy J. Kneafsey;Tetsu K. Tokunaga

  • Pore habit of methane hydrate and its evolution in sediment matrix – Laboratory visualization with phase-contrast micro-CT

    Liang Lei;Yongkoo Seol;Jeong-Hoon Choi;Jeong-Hoon Choi;Timothy J. Kneafsey

  • Waterless fracturing technologies for unconventional reservoirs-opportunities for liquid nitrogen

    Lei Wang;Bowen Yao;Minsu Cha;Naif B. Alqahtani

  • Shales at all scales: Exploring coupled processes in mudrocks

    Anastasia G. Ilgen;Jason E. Heath;I. Yucel Akkutlu;L. Taras Bryndzia

  • Numerical simulation of salt precipitation in the fractures of a CO2-enhanced geothermal system

    Andrea Borgia;Karsten Pruess;Timothy J. Kneafsey;Curtis M. Oldenburg

  • Permeability of Laboratory-Formed Methane-Hydrate-Bearing Sand: Measurements and Observations Using X-Ray Computed Tomography

    Timothy J. Kneafsey;Yongkoo Seol;Arvind Gupta;Liviu Tomutsa

  • Studies of Reaction Kinetics of Methane Hydrate Dissocation in Porous Media

    George J. Moridis;Yongkoo Seol;Timothy J. Kneafsey

  • Porosity, permeability, and fluid flow in the Yellowstone geothermal system, Wyoming

    Patrick F Dobson;Timothy J Kneafsey;Jeffrey Hulen;Ardyth Simmons

  • Influence of wettability and permeability heterogeneity on miscible CO2 flooding efficiency

    Prem Bikkina;Jiamin Wan;Yongman Kim;Timothy J. Kneafsey

  • Physical property changes in hydrate-bearing sediment due to depressurization and subsequent repressurization

    William F. Waite;Timothy J. Kneafsey;William J. Winters;D. H. Mason

  • An international code comparison study on coupled thermal, hydrologic and geomechanical processes of natural gas hydrate-bearing sediments

    M.D. White;T.J. Kneafsey;Y. Seol;W.F. Waite

  • Landscape topography structures the soil microbiome in arctic polygonal tundra

    Neslihan Taş;Emmanuel Prestat;Shi Wang;Yuxin Wu

  • Composite thermal conductivity in a large heterogeneous porous methane hydrate sample.

    Arvind Gupta;Timothy J. Kneafsey;George J. Moridis;Yongkoo Seol

  • X-ray computed-tomography observations of water flow through anisotropic methane hydrate-bearing sand

    Yongkoo Seol;Timothy J. Kneafsey

  • CO2 injection-induced fracturing in naturally fractured shale rocks

    Lei Wang;Bowen Yao;Haojun Xie;Haojun Xie;Philip H. Winterfeld

  • Evaluation of accessible mineral surface areas for improved prediction of mineral reaction rates in porous media

    Lauren E. Beckingham;Lauren E. Beckingham;Carl I. Steefel;Alexander M. Swift;Marco Voltolini

  • Methane hydrate induced permeability modification for multiphase flow in unsaturated porous media

    Yongkoo Seol;Timothy J. Kneafsey

  • Shale Gas: Nanometer-Scale Observations and Well Modelling

    Dmitriy Silin;Timothy J. Kneafsey

  • Electrical and seismic response of saline permafrost soil during freeze - Thaw transition

    Yuxin Wu;Seiji Nakagawa;Timothy J. Kneafsey;Baptiste Dafflon

  • Waterless fracturing technologies for unconventional reservoirs-opportunities for liquid nitrogen

    Lei Wang;Bowen Yao;Yu-Shu Wu;Timothy Kneafsey

Frequent Co-Authors

Patrick F. Dobson
Patrick F. Dobson Lawrence Berkeley National Laboratory
Yongkoo Seol
Yongkoo Seol National Energy Technology Laboratory
George J. Moridis
George J. Moridis Lawrence Berkeley National Laboratory
Jonny Rutqvist
Jonny Rutqvist Lawrence Berkeley National Laboratory
Yu-Shu Wu
Yu-Shu Wu Colorado School of Mines
Barry Freifeld
Barry Freifeld Lawrence Berkeley National Laboratory
Eric Sonnenthal
Eric Sonnenthal Lawrence Berkeley National Laboratory
Lianjie Huang
Lianjie Huang Los Alamos National Laboratory
Susan S. Hubbard
Susan S. Hubbard Lawrence Berkeley National Laboratory

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