A.R. Gregory

6.3k total citations · 3 hit papers
19 papers, 4.3k citations indexed

About

A.R. Gregory is a scholar working on Ocean Engineering, Geophysics and Mechanical Engineering. According to data from OpenAlex, A.R. Gregory has authored 19 papers receiving a total of 4.3k indexed citations (citations by other indexed papers that have themselves been cited), including 14 papers in Ocean Engineering, 11 papers in Geophysics and 8 papers in Mechanical Engineering. Recurrent topics in A.R. Gregory's work include Seismic Imaging and Inversion Techniques (9 papers), Seismic Waves and Analysis (8 papers) and Drilling and Well Engineering (8 papers). A.R. Gregory is often cited by papers focused on Seismic Imaging and Inversion Techniques (9 papers), Seismic Waves and Analysis (8 papers) and Drilling and Well Engineering (8 papers). A.R. Gregory collaborates with scholars based in United States, Switzerland and Canada. A.R. Gregory's co-authors include G. H. F. Gardner, M. R. J. Wyllie, A. L. Podio, Azra N. Tutuncu, Mukul M. Sharma, K. E. Gray, Robert A. Morton, J. Meriwether, Marc B. Edwards and H. Scott Hamlin and has published in prestigious journals such as Geophysics, Journal of Petroleum Technology and Society of Petroleum Engineers Journal.

In The Last Decade

A.R. Gregory

17 papers receiving 3.8k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Formation velocity and density; the diagnostic basics for stratigraphic traps

1974 1.8k citations G. H. F. Gardner, A.R. Gregory et al. Geophysics profile →
Elastic wave velocities in heterogeneous and porous media

1956 1.0k citations M. R. J. Wyllie, A.R. Gregory et al. Geophysics profile →
An experimental investigation of factors affecting elastic wave velocities in porous media

1958 626 citations M. R. J. Wyllie, A.R. Gregory et al. Geophysics profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
A.R. Gregory United States	10	3.4k	1.8k	1.3k	1.3k	330	19	4.3k
G. H. F. Gardner United States	19	2.8k 0.8×	1.5k 0.8×	980 0.7×	739 0.6×	213 0.6×	72	3.4k
M. R. J. Wyllie Switzerland	16	1.7k 0.5×	1.1k 0.6×	845 0.6×	911 0.7×	226 0.7×	30	2.8k
Randall Marrett United States	31	3.0k 0.9×	1.1k 0.6×	1.3k 0.9×	1.9k 1.5×	182 0.6×	52	4.6k
Michael Batzle United States	27	3.9k 1.1×	2.5k 1.3×	2.2k 1.7×	1.3k 1.0×	325 1.0×	112	4.8k
G. Vasseur France	31	2.4k 0.7×	395 0.2×	357 0.3×	840 0.6×	137 0.4×	83	3.7k
A. Timur Netherlands	14	1.6k 0.5×	969 0.5×	616 0.5×	948 0.7×	154 0.5×	20	2.5k
R. J. Knipe United Kingdom	36	3.3k 1.0×	374 0.2×	528 0.4×	1.4k 1.1×	279 0.8×	94	4.2k
Oliver Heidbach Germany	37	4.2k 1.2×	613 0.3×	938 0.7×	1.3k 1.0×	170 0.5×	123	5.0k
Peter Eichhubl United States	37	2.1k 0.6×	1.3k 0.7×	1.9k 1.4×	2.8k 2.2×	656 2.0×	87	4.8k
Michael R. Gross United States	29	1.5k 0.5×	447 0.2×	842 0.6×	1.3k 1.0×	150 0.5×	98	3.0k

Countries citing papers authored by A.R. Gregory

Since Specialization

Citations

This map shows the geographic impact of A.R. Gregory'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 A.R. Gregory with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites A.R. Gregory more than expected).

Fields of papers citing papers by A.R. Gregory

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by A.R. Gregory. 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 A.R. Gregory. The network helps show where A.R. Gregory may publish in the future.

Co-authorship network of co-authors of A.R. Gregory

This figure shows the co-authorship network connecting the top 25 collaborators of A.R. Gregory. A scholar is included among the top collaborators of A.R. Gregory based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with A.R. Gregory. A.R. Gregory is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

19 of 19 papers shown

Gregory, A.R. & J. Meriwether. (2018). Engineering parameters used in geopressured geothermal Fairway evaluation and test-well site location, Frio formation, Texas Gulf Coast. OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information). 1 indexed citations

Tutuncu, Azra N., A. L. Podio, A.R. Gregory, & Mukul M. Sharma. (1998). Nonlinear viscoelastic behavior of sedimentary rocks, Part I: Effect of frequency and strain amplitude. Geophysics. 63(1). 184–194. 138 indexed citations

Tutuncu, Azra N., et al.. (1994). Effect of strain amplitude and frequency on compressional and shear wave velocities and amplitudes in sandstones. 1073–1076. 1 indexed citations

Gregory, A.R., et al.. (1983). Watered-out gas reservoirs profitable via enhanced recovery. Oil & gas journal. 2 indexed citations

Edwards, Marc B., et al.. (1981). Geologic Studies of Geopressured and Hydropressured Zones in Texas: Test-Well Site Selection. Texas Digital Library (University of Texas). 3 indexed citations

Gregory, A.R.. (1977). Aspects of Rock Physics From Laboratory and Log Data that are Important to Seismic Interpretation: Section 1. Fundamentals of Stratigraphic Interpretation of Seismic Data. 165. 15–46. 1 indexed citations

Gregory, A.R.. (1976). Fluid saturation effects on dynamic elastic properties of sedimentary rocks. Geophysics. 41(5). 895–921. 321 indexed citations

Gardner, G. H. F., et al.. (1974). Formation velocity and density; the diagnostic basics for stratigraphic traps. Geophysics. 39(6). 770–780. 1779 indexed citations breakdown →

Gregory, A.R. & A. L. Podio. (1970). Dual-Mode Ultrasonic Apparatus for Measuring Compressional and Shear Wave Velocities of Rock Samples. IEEE Transactions on Sonics and Ultrasonics. 17(2). 77–85. 6 indexed citations

10.

Podio, A. L., A.R. Gregory, & K. E. Gray. (1968). Dynamic Properties of Dry and Water-Saturated Green River Shale Under Stress. Society of Petroleum Engineers Journal. 8(4). 389–404. 59 indexed citations

11.

Gregory, A.R.. (1967). Mode Conversion Technique Employed in Shear Wave Velocity Studies of Rock Samples Under Axial and Uniform Compression. Society of Petroleum Engineers Journal. 7(2). 136–148. 4 indexed citations

12.

Gregory, A.R.. (1965). Ultrasonic Pulsed-Beam Transmission And Reflection Methods For Measuring Rock Properties - Some Theoretical And Experimental Results. 1 indexed citations

13.

Wyllie, M. R. J., G. H. F. Gardner, & A.R. Gregory. (1963). Addendum to 'Studies of elastic wave attenuation in porous media' by M. R. J. Wyllie, G. H. F. Gardner, and A. R. Gregory (Geophysics, October, 1962, p. 569-589). Geophysics. 28(6). 1074–1074. 10 indexed citations

14.

Wyllie, M. R. J., G. H. F. Gardner, & A.R. Gregory. (1962). Studies of elastic wave attenuation in porous media. Geophysics. 27(5). 569–589. 110 indexed citations

15.

Wyllie, M. R. J., G. H. F. Gardner, & A.R. Gregory. (1961). Some Phenomena Pertinent to Velocity Logging. Journal of Petroleum Technology. 13(7). 629–636. 9 indexed citations

16.

Wyllie, M. R. J., A.R. Gregory, & G. H. F. Gardner. (1958). An experimental investigation of factors affecting elastic wave velocities in porous media. Geophysics. 23(3). 459–493. 626 indexed citations breakdown →

17.

Wyllie, M. R. J., et al.. (1956). Elastic wave velocities in heterogeneous and porous media. Geophysics. 21(1). 41–70. 1009 indexed citations breakdown →

18.

Wyllie, M. R. J. & A.R. Gregory. (1955). Fluid Flow through Unconsolidated Porous Aggregates. Industrial & Engineering Chemistry. 47(7). 1379–1388. 128 indexed citations

19.

Wyllie, M. R. J. & A.R. Gregory. (1953). Formation Factors of Unconsolidated Porous Media: Influence of Particle Shape and Effect of Cementation. Journal of Petroleum Technology. 5(4). 103–110. 114 indexed citations

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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