2026 Carl H. Sondergeld: Earth Science Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Earth Science	45	4344	3996	1677	1492	274	13507

Carl H. Sondergeld publication distribution in Earth Science in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Earth Science in 2026. The highlighted bar marks where Carl H. Sondergeld sits on this spectrum.

38 publications 510+

This scientist: 274 publications — 81st percentile

81% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 510 publications or more.

Carl H. Sondergeld D-index placement in Earth Science in 2026

The chart shows the D-index (discipline H-index) distribution of Earth Science scientists ranked by Research.com in 2026. The highlighted bar marks where Carl H. Sondergeld sits on this spectrum.

30 D-Index 94+

This scientist: 45 D-Index — 43rd percentile

43% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 94 D-Index or more.

Overview

Carl H. Sondergeld is affiliated with the University of Oklahoma in the United States. Their primary research contributions lie within the broad field of Engineering, with a particular focus on subfields including Ocean Engineering, Mechanical Engineering, Mechanics of Materials, Geophysics, and Nuclear and High Energy Physics.

The scientist's work extensively covers topics related to Hydraulic Fracturing and Reservoir Analysis, Hydrocarbon Exploration and Reservoir Analysis, Drilling and Well Engineering, Seismic Imaging and Inversion Techniques, Enhanced Oil Recovery Techniques, NMR Spectroscopy and Applications, and Reservoir Engineering and Simulation Methods.

Recent publications by Carl H. Sondergeld include the following papers:

Fracture Hits in Unconventional Reservoirs: A Critical Review, 2020, SPE Journal
Fracture toughness in shales using nano-indentation, 2020, Journal of Petroleum Science and Engineering
Looking Ahead of the Bit Using Surface Drilling and Petrophysical Data: Machine-Learning-Based Real-Time Geosteering in Volve Field, 2020, SPE Journal
Impact of Surfactants on Hydrocarbon Mobility in Shales, 2020, SPE Reservoir Evaluation & Engineering
A Data-Driven Approach to Detect and Quantify the Impact of Frac-Hits on Parent and Child Wells in Unconventional Formations, 2020, Proceedings of the 8th Unconventional Resources Technology Conference

Frequent co-authors of Carl H. Sondergeld include:

Chandra Rai
Son Dang
Deepak Devegowda
Ishank Gupta
Ali Tinni

The scientist has published repeatedly in the following venues:

Proceedings of the 8th Unconventional Resources Technology Conference
Interpretation
SPE Journal
SPE Reservoir Evaluation & Engineering
Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description

Best Publications

Development of organic porosity in the Woodford Shale with increasing thermal maturity

Mark E. Curtis;Brian J. Cardott;Carl H. Sondergeld;Chandra S. Rai

1242
Citations
Microstructural investigation of gas shales in two and three dimensions using nanometer-scale resolution imaging

Mark E. Curtis;Carl H. Sondergeld;Raymond J. Ambrose;Chandra S. Rai

920
Citations
Micro-Structural Studies of Gas Shales

Carl H. Sondergeld;Raymond Joseph Ambrose;Chandra Shekhar Rai;Jason Moncrieff

833
Citations
Structural Characterization of Gas Shales on the Micro- and Nano-Scales

Mark Erman Curtis;Raymond Joseph Ambrose;Carl H. Sondergeld

767
Citations
Petrophysical Considerations in Evaluating and Producing Shale Gas Resources

Carl H. Sondergeld;Kent Edward Newsham;Joseph Thomas Comisky;Morgan Craig Rice

765
Citations
New Pore-scale Considerations for Shale Gas in Place Calculations

Raymond Joseph Ambrose;Robert Chad Hartman;Mery Diaz Campos;I. Yucel Akkutlu

757
Citations
Shale Gas-in-Place Calculations Part I: New Pore-Scale Considerations

Raymond J. Ambrose;Robert C. Hartman;Mery Diaz-Campos;I. Yucel Akkutlu

729
Citations
Shale-Gas Permeability and Diffusivity Inferred by Improved Formulation of Relevant Retention and Transport Mechanisms

Faruk Civan;Chandra S. Rai;Carl H. Sondergeld

596
Citations
Gassmann fluid substitutions: A tutorial

Tad M. Smith;Carl H. Sondergeld;Chandra S. Rai

441
Citations
NMR Study of Shale Wettability

Elijah O. Odusina;Carl H. Sondergeld;Chandra Shekhar Rai

310
Citations
Elastic anisotropy of shales

Carl H. Sondergeld;Chandra S. Rai

257
Citations
Shale Permeability Measurements on Plugs and Crushed Samples

Ali Tinni;Ebrahim Fathi;Rajiv Agarwal;Carl H. Sondergeld

226
Citations
Nano to Macro Mechanical Characterization of Shale

Vikas Kumar;Carl H. Sondergeld;Chandra Shekhar Rai

219
Citations
Transmission and Scanning Electron Microscopy Investigation of Pore Connectivity of Gas Shales on the Nanoscale

Mark Erman Curtis;Raymond Joseph Ambrose;Carl H. Sondergeld;Chandra Shekhar Rai

200
Citations
Laboratory studies of hydraulic fracturing by cyclic injection

S.M. Patel;C.H. Sondergeld;C.S. Rai

189
Citations
Measuring low permeabilities of gas-sands and shales using a pressure transmission technique

Yasser M. Metwally;Yasser M. Metwally;Carl H. Sondergeld

183
Citations
Acoustic emission study of microfracturing during the cyclic loading of westerly granite

Carl H. Sondergeld;Louis H. Estey

180
Citations
Investigation of the Relationship Between Organic Porosity and Thermal Maturity in The Marcellus Shale

Mark Erman Curtis;Raymond Joseph Ambrose;Carl H. Sondergeld;Chandra Shekhar Rai

180
Citations
An experimental investigation into hydraulic fracture propagation under different applied stresses in tight sands using acoustic emissions

Yashwanth Chitrala;Camilo Moreno;Carl Sondergeld;Chandra Rai

155
Citations
Rock properties in low-porosity/low-permeability sandstones

Tad M. Smith;Colin M. Sayers;Carl H. Sondergeld

138
Citations
Quantitative Seismic Interpretation: Applying Rock Physics Tools to Reduce Interpretation Risk

Carl H. Sondergeld

81
Citations

Frequent Co-Authors

Chandra Rai University of Oklahoma

Stephen Hall Lund University

Faruk Civan University of Southern California

Kurt J. Marfurt University of Oklahoma

J-M Kendall University of Oxford

Gerilyn S. Soreghan University of Oklahoma

Timothy J. Kneafsey Lawrence Berkeley National Laboratory

Colin M. Sayers University of Houston

Donald L. Turcotte University of California, Davis

Stephen H. Kirby United States Geological Survey

External Links

Personal website of Carl H. Sondergeld

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