Colin M. Sayers

8.9k citations

255 papers · 6.4k indexed · 2 hit papers · h-index 41

Impact in

Geophysics top 0.2%
- Seismic Imaging and Inversion Techniques
- Seismic Waves and Analysis
Ocean Engineering top 0.05%
- Drilling and Well Engineering
- Geophysical Methods and Applications

Papers in

Geophysics 177
- Seismic Imaging and Inversion Techniques 172
- Seismic Waves and Analysis 47
Ocean Engineering 126
- Drilling and Well Engineering 102
- Reservoir Engineering and Simulation Methods 18

Co-authors: Michael Schoenberg Mark Kachanov M. Schoenberg Lennert D. den Boer J. Friedel Donald R. Allen Richard L. Smith Marta Woodward
Journals: The Leading Edge (32 papers)Geophysical Prospecting (26 papers)Geophysics (19 papers)Geophysical Journal International (9 papers)Ultrasonics (8 papers)
Partner nations: British Virgin Islands United States United Kingdom

In The Last Decade

Colin M. Sayers

246 papers receiving 6.0k citations

Hit Papers

align trajectories log scale

Microcrack‐induced elastic wave anisotropy of brittle rocks 1995 · 459 citations

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if any of the following hold:

it has ≥500 total citations;
it reaches ≥1.5× the top-1% citation threshold for papers in the same subfield and year (the threshold is the minimum needed to enter the top 1%, not the average within it);
it reaches the top citation threshold in at least one of its specific research topics.

1995 Journal of Geophysical Research Atmospheres
1995 Geophysics

Peers

Countries citing papers authored by Colin M. Sayers

Since Specialization

Citations

This map shows the geographic impact of Colin M. Sayers's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Colin M. Sayers with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Colin M. Sayers more than expected).

Fields of papers citing papers by Colin M. Sayers

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Colin M. Sayers. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Colin M. Sayers. The network helps show where Colin M. Sayers may publish in the future.

Co-authors

The 25 scholars most cited alongside Colin M. Sayers, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with Colin M. Sayers Line = papers co-authored together Colin M. Sayers links everyone, so they are left out of the graph.

All Works

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20 of 20 papers shown

#	Work
1	Critical porosity and the elastic properties of rocks The Leading Edge ·Colin M. Sayers	2025	0
2	Stress‐induced anisotropy in Gulf of Mexico sandstones and the prediction of in situ stress Geophysical Prospecting ·Colin M. Sayers, W. Scott Leaney, Tom Bratton	2024	0
3	A predictive anisotropic rock-physics model for estimating elastic rock properties of unconventional shale reservoirs The Leading Edge ·Colin M. Sayers, В В Иванов	2019	14
4	The elastic anisotropy of clay minerals Geophysics ·Colin M. Sayers, Lennert D. den Boer	2016	45
5	Elastic anisotropy of the Middle Bakken Formation Geophysics ·Colin M. Sayers, В В Иванов	2014	9
6	Iterative 3D Geomechanical Modeling to Determine Distribution and Impact of Stresses in Deepwater Gulf of Mexico Subsalt and Near-Salt Environments P. F. Harrison, V. Van Den Eeckhout, Colin M. Sayers, Tomás Zapata, D.G. Cameron	2013	3
7	The effect of kerogen on the elastic anisotropy of organic-rich shales Geophysics ·Colin M. Sayers	2013	145
8	Seismic characterization of reservoirs with asymmetric fractures Geophysics ·M. Fujinaga, Leon Thomsen, Colin M. Sayers	2013	34
9	Rock physics-based relations for density and S-velocity versus P-velocity in deepwater subsalt Gulf of Mexico shales The Leading Edge ·Colin M. Sayers, Lennert D. den Boer	2011	12
10	An introduction to this special section: Shales The Leading Edge ·Bruce S. Hart, Colin M. Sayers, Alan P. Jackson	2011	9
11	Introduction to this special section: Tight gas sands The Leading Edge ·Khalid Aljamman, Colin M. Sayers, 魏蕾	2010	1
12	Sensitivity of velocities to overpressure within heterogeneous tight gas sand reservoirs The Leading Edge ·Colin M. Sayers, Andrea Flores-Gamboa	2010	1
13	Seismic anisotropy of shales Geophysical Prospecting ·Colin M. Sayers	2005	199
14	Regional Trends in Undercompaction as a Predictor of Shallow Water Flow and Overpressure in the Deepwater Gulf of Mexico AGUSM ·Colin M. Sayers, Lennert D. den Boer, P. F. Harrison, B. Małeckabmalecka uci.agh.edu.pl, Keyna Eleison	2005	1
15	Stress-dependent seismic anisotropy of shales Geophysics ·Colin M. Sayers	1999	119
16	Azimuth-dependent turning of seismic waves reflected from fractured reservoirs Geophysics ·Michael Schoenberg, Simon Dean, Colin M. Sayers	1999	35
17	Determination of anisotropic velocity models from walkaway VSP data acquired in the presence of dip Geophysics ·Colin M. Sayers	1997	15
18	Seismic traveltime analysis of azimuthally anisotropic media; theory and experiment Geophysics ·Colin M. Sayers, P. Courvalin	1997	44
19	Introducing ANNIE: A simple three parameter anisotropic velocity model for shales M. Schoenberg, Francis Muir, Colin M. Sayers	1996	99
20	Simplified anisotropy parameters for transversely isotropic sedimentary rocks Geophysics ·Colin M. Sayers	1995	15

About Colin M. Sayers

Colin M. Sayers is a scholar working on Geophysics, Ocean Engineering, Mechanical Engineering, Mechanics of Materials and Radiation, having authored 255 papers that have together received 6.4k indexed citations. Recurring topics across this work include Seismic Imaging and Inversion Techniques (172 papers), Hydraulic Fracturing and Reservoir Analysis (140 papers), Drilling and Well Engineering (102 papers), Seismic Waves and Analysis (47 papers), Rock Mechanics and Modeling (35 papers), Hydrocarbon exploration and reservoir analysis (28 papers), Ultrasonics and Acoustic Wave Propagation (23 papers) and Reservoir Engineering and Simulation Methods (18 papers). The work is most often cited by research in Geophysics (4.4k citations), Ocean Engineering (3.0k citations), Mechanics of Materials (2.7k citations), Mechanical Engineering (3.2k citations) and Civil and Structural Engineering (366 citations). Colin M. Sayers has collaborated with scholars based in British Virgin Islands, United States and United Kingdom. Frequent co-authors include Michael Schoenberg, Mark Kachanov, M. Schoenberg, Lennert D. den Boer, J. Friedel, Donald R. Allen, Richard L. Smith, Marta Woodward, G. Johnson and Simon Dean. Their work appears in journals such as The Leading Edge, Geophysical Prospecting, Geophysics, Geophysical Journal International and Ultrasonics.

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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