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Hans G. Machel

Hans G. Machel

D-Index & Metrics

Earth Science

D-Index
44
Citations
9822
World Ranking
4616
National Ranking
215

Overview

Hans G. Machel is affiliated with the University of Alberta in Canada, focusing on earth sciences and engineering disciplines. Their work spans several interconnected fields of study, including Earth and Planetary Sciences, Engineering, Geophysics, Paleontology, Atmospheric Science, Mechanical Engineering, and Ocean Engineering.

The scientist's research addresses a variety of specific topics such as Paleontology and Stratigraphy of Fossils, Geological Formations and Processes Exploration, Geology and Paleoclimatology Research, Hydraulic Fracturing and Reservoir Analysis, Seismic Imaging and Inversion Techniques, and Drilling and Well Engineering.

Hans G. Machel has co-authored papers with several frequent collaborators. These include:

  • Georgina Lukoczki
  • János Haas
  • Jay M. Gregg
  • Sándor Kele
  • Cédric M. John

Their publications appear in journals relevant to their fields, particularly:

  • International Journal of Earth Sciences
  • Journal of Petroleum Science and Engineering

Notable recent papers include:

  • Early dolomitization and partial burial recrystallization: a case study of Middle Triassic peritidal dolomites in the Villány Hills (SW Hungary) using petrography, carbon, oxygen, strontium and clumped isotope data (2020) - International Journal of Earth Sciences
  • Conductivity of hydraulic fracturing in tight carbonate intra-platform shoal reservoirs (2020) - Journal of Petroleum Science and Engineering

These contributions reflect integration of petrographic methods and geochemical isotope analyses with reservoir engineering techniques.

Best Publications

  • Bacterial and thermochemical sulfate reduction in diagenetic settings — old and new insights

    H.G Machel

  • Products and distinguishing criteria of bacterial and thermochemical sulfate reduction

    Hans G. Machel;H. Roy Krouse;Roger Sassen

  • Concepts and models of dolomitization: a critical reappraisal

    Hans G. Machel

  • Chemistry and Environments of Dolomitization —A Reappraisal

    Hans-G. Machel;Eric W. Mountjoy

  • Mineralogy, nucleation and growth of dolomite in the laboratory and sedimentary environment: A review

    Jay M. Gregg;David L. Bish;Stephen E. Kaczmarek;Hans G. Machel

  • Causes and Emission of Luminescence in Calcite and Dolomite

    Hans G. Machel;Roger A. Mason;Anthony N. Mariano;Alfonso Mucci

  • Hydrothermal dolomite—a product of poor definition and imagination

    Hans G Machel;Jeff Lonnee

  • The influence of thermochemical sulphate reduction on hydrocarbon composition in Nisku reservoirs, Brazeau River area, Alberta, Canada

    B.K. Manzano;M.G. Fowler;H.G. Machel

  • Saddle dolomite as a by-product of chemical compaction and thermochemical sulfate reduction

    Hans-G. Machel

  • Application of Cathodoluminescence to Carbonate Diagenesis

    Unknown

  • Recrystallization versus neomorphism, and the concept of `significant recrystallization' in dolomite research

    Hans G. Machel

  • Pervasive dolomitization with subsequent hydrothermal alteration in the Clarke Lake gas field, Middle Devonian Slave Point Formation, British Columbia, Canada

    Jeff Lonnee;Hans G. Machel

  • Pervasive Subsurface Dolomitization of the Nisku Formation in Central Alberta

    Hans G. Machel;James H. Anderson

  • Low-flux, tectonically-induced squeegee fluid flow (“hot flash”) into the Rocky Mountain Foreland Basin

    Hans G. Machel;Patricia A. Cavell

  • Conceptual models for burrow‐related, selective dolomitization with textural and isotopic evidence from the Tyndall Stone, Canada

    Murray K. Gingras;S. George Pemberton;Karlis Muelenbachs;Hans Machel

  • Some aspects of diagenetic sulphate-hydrocarbon redox reactions

    H. G. Machel

  • Relationships between sulphate reduction and oxidation of organic compounds to carbonate diagenesis, hydrocarbon accumulations, salt domes, and metal sulphide deposits

    Hans G. Machel

  • Subsurface dolomites in Upper Devonian Leduc Formation buildups, central part of Rimbey-Meadowbrook reef trend, Alberta, Canada

    Joachim E. Amthor;Eric W. Mountjoy;Hans G. Machel

  • Characterization of solid bitumens originating from thermal chemical alteration and thermochemical sulfate reduction

    Simon R. Kelemen;Clifford C. Walters;Peter J. Kwiatek;Howard Freund

  • Luminescence Microscopy and Spectroscopy: Qualitative and Quantitative Applications

    Unknown

  • Devonian Matrix Dolomites and Deep Burial Carbonate Cements: A Comparison Between the Rimbey-Meadowbrook Reef Trend and the Deep Basin of West-Central Alberta

    Eric W. Mountjoy;Hans G. Machel;Darryl Green;James Duggan

  • Facies models for middle to late devonian Shallow-Marine carbonates, with comparisons to modern reefs: a guide for facies analysis

    Hans G. Machel;Ian G. Hunter

Frequent Co-Authors

Lee R. Riciputi
Lee R. Riciputi Oak Ridge National Laboratory
David R. Cole
David R. Cole The Ohio State University
David L. Bish
David L. Bish Indiana University
Fiona F Whitaker
Fiona F Whitaker University of Bristol
Cédric M. John
Cédric M. John Imperial College London
Bruce W. Fouke
Bruce W. Fouke University of Illinois at Urbana-Champaign
Kenneth E. Peters
Kenneth E. Peters Stanford University
Stefan Bachu
Stefan Bachu Alberta Innovates
H. Roy Krouse
H. Roy Krouse University of Calgary
Clifford C. Walters
Clifford C. Walters ExxonMobil (United States)

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