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Earth Science

D-Index
52
Citations
11281
World Ranking
3005
National Ranking
1225

Overview

Michael D. Lewan is affiliated with the United States Geological Survey in the United States. Their research spans multiple areas within engineering, environmental science, and agricultural and biological sciences, with a focus on hydrocarbon exploration and reservoir analysis, petroleum processing and analysis, and atmospheric and environmental gas dynamics.

The scientist has contributed notably to fields such as mechanics of materials, analytical chemistry, global and planetary change, environmental chemistry, and ocean engineering. Their research topics include methane hydrates and related phenomena, coal properties and utilization, biological control of invasive species, and botany, ecology, and taxonomy studies.

Lewan's recent publications reflect a broad engagement with geosciences and organic geochemistry. Notable papers include:

  • Trends in thermal maturity indicators for the organic sulfur-rich Eagle Ford Shale (2020), Marine and Petroleum Geology
  • Position-specific distribution of hydrogen isotopes in natural propane: Effects of thermal cracking, equilibration and biodegradation (2020), Geochimica et Cosmochimica Acta
  • Comment: Suppression of vitrinite reflectance by bitumen generated from liptinite during hydrous pyrolysis of artificial source rock by Peters et al. (2018) (2023), Organic Geochemistry
  • Thermal stability of freshwater fern Azolla biomarkers as assessed by hydrous pyrolysis (2025), Organic Geochemistry
  • Scanning electron microscopy of tight oil reservoirs before and after low-temperature hydrous pyrolysis, lower Permian Wolfcamp shale, Delaware Basin, Texas (2025), AAPG Bulletin

Their frequent coauthors include Katherine L. French, Justin E. Birdwell, Hao Xie, Camilo Ponton, and Michael J. Formolo, indicating collaborations across various sub-disciplines within Earth sciences and geochemistry.

Lewan has published primarily in the journals Organic Geochemistry, Marine and Petroleum Geology, Geochimica et Cosmochimica Acta, and AAPG Bulletin. These venues align with their research interests in organic geochemical processes, isotopic analysis, and reservoir characterization.

Best Publications

  • Experiments on the role of water in petroleum formation

    M.D. Lewan

  • Factors controlling the proportionality of vanadium to nickel in crude oils

    Unknown

  • Factors controlling enrichment of vanadium and nickel in the bitumen of organic sedimentary rocks

    Unknown

  • Generation of oil-like pyrolyzates from organic-rich shales.

    M. D. Lewan;J. C. Winters;J. H. Mcdonald

  • Evaluation of petroleum generation by hydrous phrolysis experimentation

    Unknown

  • Sulphur-radical control on petroleum formation rates

    Michael D. Lewan

  • D/H isotope ratios of kerogen, bitumen, oil, and water in hydrous pyrolysis of source rocks containing kerogen types I, II, IIS, and III

    Arndt Schimmelmann;Michael D. Lewan;Robert P. Wintsch

  • Effects of thermal maturation on stable organic carbon isotopes as determined by hydrous pyrolysis of Woodford Shale

    M.D Lewan

  • Comparison of petroleum generation kinetics by isothermal hydrous and nonisothermal open-system pyrolysis

    M.D. Lewan;T.E. Ruble

  • Formation temperatures of thermogenic and biogenic methane

    D.A. Stolper;M. Lawson;C.L. Davis;A.A. Ferreira

  • FTIR absorption indices for thermal maturity in comparison with vitrinite reflectance R0 in type-II kerogens from Devonian black shales

    Grzegorz P. Lis;Maria Mastalerz;Arndt Schimmelmann;Michael D. Lewan

  • Stable carbon isotopes of amorphous kerogens from Phanerozoic sedimentary rocks

    Unknown

  • Role of water in hydrocarbon generation from Type-I kerogen in Mahogany oil shale of the Green River Formation

    Michael D. Lewan;Stéphanie Roy

  • Organic acids in geological processes

    Edward D. Pittman;Michael D. Lewan

  • Role of NSO compounds during primary cracking of a Type II kerogen and a Type III lignite

    Françoise Behar;François Lorant;Michael Lewan;Michael Lewan

  • Effects of thermal maturation on steroid hydrocarbons as determined by hydrous pyrolysis of Phosphoria Retort Shale

    M.D Lewan;M Bjorøy;D.L Dolcater

  • Experimental investigation of changes in methane adsorption of bitumen-free Woodford Shale with thermal maturation induced by hydrous pyrolysis

    Haiyan Hu;Haiyan Hu;Tongwei Zhang;Tongwei Zhang;Jaclyn D. Wiggins-Camacho;Geoffrey S. Ellis

  • Petroleum generation and migration in the Mesopotamian Basin and Zagros Fold Belt of Iraq: results from a basin-modeling study

    Janet K. Pitman;Douglas Steinshouer;Michael D. Lewan

  • A thermal and chemical degradation approach to decipher pristane and phytane precursors in sedimentary organic matter

    Martin P Koopmans;W.Irene C Rijpstra;Mariëtte M Klapwijk;Jan W de Leeuw

  • New insights on the Green River petroleum system in the Uinta basin from hydrous pyrolysis experiments

    Tim E. Ruble;M. D. Lewan;R. P. Philp

  • Comparison of artificial maturation of lignite in hydrous and nonhydrous conditions

    F Behar;M.D Lewan;F Lorant;M Vandenbroucke

  • Experimental controls on D/H and 13C/12C ratios of kerogen, bitumen and oil during hydrous pyrolysis

    Arndt Schimmelmann;Jean-Paul Boudou;Michael D. Lewan;Robert P. Wintsch

  • Impact of dia- and catagenesis on sulphur and oxygen sequestration of biomarkers as revealed by artificial maturation of an immature sedimentary rock

    Martin P. Koopmans;Jan W. De Leeuw;Michael D. Lewan;Jaap S. Sinninghe Damste

  • Evaluation of the petroleum composition and quality with increasing thermal maturity as simulated by hydrous pyrolysis: A case study using a Brazilian source rock with Type I kerogen

    André L. D. Spigolon;André L. D. Spigolon;Michael D. Lewan;Henrique Luiz de Barros Penteado;Luiz Felipe C. Coutinho

Frequent Co-Authors

Maciej J. Kotarba
Maciej J. Kotarba AGH University of Science and Technology
Jaap S. Sinninghe Damsté
Jaap S. Sinninghe Damsté Royal Netherlands Institute for Sea Research
Jan W. de Leeuw
Jan W. de Leeuw International Soil Reference and Information Centre
John M. Eiler
John M. Eiler California Institute of Technology
Arndt Schimmelmann
Arndt Schimmelmann Indiana University
Alex L. Sessions
Alex L. Sessions California Institute of Technology
David Selby
David Selby Durham University
Stefan Schouten
Stefan Schouten Utrecht University
James R. Maxwell
James R. Maxwell University of Bristol
W. Irene C. Rijpstra
W. Irene C. Rijpstra Utrecht University

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