Ursula Hammes

3.6k total citations · 1 hit paper
24 papers, 2.9k citations indexed

About

Ursula Hammes is a scholar working on Mechanics of Materials, Earth-Surface Processes and Mechanical Engineering. According to data from OpenAlex, Ursula Hammes has authored 24 papers receiving a total of 2.9k indexed citations (citations by other indexed papers that have themselves been cited), including 12 papers in Mechanics of Materials, 12 papers in Earth-Surface Processes and 10 papers in Mechanical Engineering. Recurrent topics in Ursula Hammes's work include Hydrocarbon exploration and reservoir analysis (12 papers), Geological formations and processes (11 papers) and Hydraulic Fracturing and Reservoir Analysis (10 papers). Ursula Hammes is often cited by papers focused on Hydrocarbon exploration and reservoir analysis (12 papers), Geological formations and processes (11 papers) and Hydraulic Fracturing and Reservoir Analysis (10 papers). Ursula Hammes collaborates with scholars based in United States, Poland and Germany. Ursula Hammes's co-authors include Robert G. Loucks, Robert M. Reed, Stephen C. Ruppel, Thomas E. Ewing, H. Scott Hamlin, David A. Budd, Ramón Treviño, William B. Ward, L. F. Brown and Julia Gale and has published in prestigious journals such as Geology, Geophysics and AAPG Bulletin.

In The Last Decade

Ursula Hammes

23 papers receiving 2.8k citations

Hit Papers

Spectrum of pore types and networks in mudrocks and a des... 2012 2026 2016 2021 2012 500 1000 1.5k 2.0k
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.

  1. Spectrum of pore types and networks in mudrocks and a descriptive classification for matrix-related mudrock pores
    2012 2.1k citations Robert G. Loucks, Robert M. Reed et al. AAPG Bulletin profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Ursula Hammes United States 15 2.6k 1.3k 1.1k 668 400 24 2.9k
Zhenxue Jiang China 31 2.7k 1.0× 1.4k 1.0× 960 0.9× 645 1.0× 423 1.1× 123 3.1k
Shizhen Tao China 28 3.3k 1.2× 1.1k 0.8× 1.2k 1.1× 582 0.9× 387 1.0× 90 3.6k
Xuanjun Yuan China 24 2.5k 1.0× 920 0.7× 1.0k 0.9× 328 0.5× 304 0.8× 48 2.9k
Tim E. Ruble Australia 9 3.0k 1.1× 1.2k 0.9× 1.1k 1.0× 904 1.4× 222 0.6× 24 3.1k
Yuman Wang China 19 2.6k 1.0× 1.1k 0.8× 883 0.8× 808 1.2× 176 0.4× 36 2.9k
Zhenxue Jiang China 25 2.0k 0.8× 1.0k 0.8× 668 0.6× 576 0.9× 311 0.8× 106 2.2k
Lianhua Hou China 32 4.2k 1.6× 1.5k 1.1× 1.6k 1.5× 688 1.0× 588 1.5× 96 4.6k
Xianming Xiao China 29 3.5k 1.3× 1.5k 1.1× 612 0.6× 1.2k 1.8× 337 0.8× 88 3.9k
Jingwei Cui China 26 1.9k 0.7× 656 0.5× 628 0.6× 350 0.5× 279 0.7× 59 2.3k
Brian J. Cardott United States 11 2.3k 0.9× 1.0k 0.8× 509 0.5× 673 1.0× 178 0.4× 18 2.6k

Countries citing papers authored by Ursula Hammes

Since Specialization
Citations

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

Fields of papers citing papers by Ursula Hammes

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Ursula Hammes. 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 Ursula Hammes. The network helps show where Ursula Hammes may publish in the future.

Co-authorship network of co-authors of Ursula Hammes

This figure shows the co-authorship network connecting the top 25 collaborators of Ursula Hammes. A scholar is included among the top collaborators of Ursula Hammes 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 Ursula Hammes. Ursula Hammes is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Birdwell, Justin E., Kent A. Bowker, Thomas C. Chidsey, et al.. (2020). Energy and minerals division tight oil and gas committee: Activities and commodity report for 2019-2020. 1 indexed citations
2.
3.
Hammes, Ursula, et al.. (2014). Seismic-attribute identification of brittle and TOC-rich zones within the Eagle Ford Shale, Dimmit County, South Texas. Journal of Petroleum Exploration and Production Technology. 4(2). 133–151. 29 indexed citations
4.
Wang, Fred P., et al.. (2013). Petrophysical and Mechanical Properties of Organic-rich Shales and Their Influences on Fluid Flow. American Association of Petroleum Geologists eBooks. 167–186. 11 indexed citations
5.
Hammes, Ursula, et al.. (2013). Depositional architecture of growth-fault related wave-dominated shelf edge deltas of the Oligocene Frio Formation in Corpus Christi Bay, Texas. Marine and Petroleum Geology. 48. 423–440. 18 indexed citations
6.
7.
Hammes, Ursula, H. Scott Hamlin, & Thomas E. Ewing. (2013). Geologic analysis of the Upper Jurassic Haynesville Shale in east Texas and west Louisiana: Reply. AAPG Bulletin. 97(3). 529–529. 138 indexed citations
8.
Loucks, Robert G., Robert M. Reed, Stephen C. Ruppel, & Ursula Hammes. (2012). Spectrum of pore types and networks in mudrocks and a descriptive classification for matrix-related mudrock pores. AAPG Bulletin. 96(6). 1071–1098. 2109 indexed citations breakdown →
9.
Hammes, Ursula, et al.. (2012). Seismic interpretation of mass-transport deposits within the upper Oligocene Frio Formation, south Texas Gulf Coast. AAPG Bulletin. 96(5). 845–868. 20 indexed citations
10.
Eastwood, Raymond L. & Ursula Hammes. (2011). Log Model Development For the Bossier And Haynesville Shales. 9 indexed citations
11.
Hammes, Ursula, et al.. (2011). Haynesville and Bossier mudrocks: A facies and sequence stratigraphic investigation, East Texas and Louisiana, USA. Marine and Petroleum Geology. 31(1). 8–26. 74 indexed citations
12.
Ambrose, William A., et al.. (2010). Sequence Stratigraphic Framework and Depositional History of Oligocene Frio Slope-Fan, Lowstand Prograding Wedge, and Shallow-Marine Transgressive- Regressive Deposits in the Lavaca Bay Area, Texas. 1 indexed citations
13.
Loucks, Robert G., Robert M. Reed, Stephen C. Ruppel, & Ursula Hammes. (2010). Preliminary Classification of Matrix Pores in Mudrocks. 64 indexed citations
14.
Zeng, Hongliu, Robert G. Loucks, & Ursula Hammes. (2008). Linear amplitude patterns in Corpus Christi Bay Frio Subbasin, south Texas: Interpretive pitfalls or depositional features?. Geophysics. 73(5). A27–A31. 2 indexed citations
15.
Hammes, Ursula, Hongliu Zeng, Robert G. Loucks, & Frank H. Brown. (2007). All Fill - No Spill: Slope-Fan Sand Bodies in Growth-Faulted Subbasins: Oligocene Frio Formation, South Texas Gulf Coast. 50(3). 17–19. 1 indexed citations
16.
Brown, L. F., Robert G. Loucks, Ramón Treviño, & Ursula Hammes. (2006). Understanding growth-faulted, intraslope subbasins by applying sequence-stratigraphic principles: Examples from the south Texas Oligocene Frio Formation: Reply. AAPG Bulletin. 90(5). 799–805. 45 indexed citations
17.
Hammes, Ursula, et al.. (2005). Seismic Geomorphology of Oligocene Frio Lowstand Slope and Basin-Floor Sedimentary Bodies in Growth-Faulted Subbasins in South Texas. 55. 278–282. 1 indexed citations
18.
19.
Budd, David A., Ursula Hammes, & William B. Ward. (2000). Cathodoluminescence in Calcite Cements: New Insights on Pb and Zn Sensitizing, Mn Activation, and Fe Quenching at Low Trace-Element Concentrations. Journal of Sedimentary Research. 70(1). 217–226. 55 indexed citations
20.
Budd, David A., Ursula Hammes, & Hélène Vacher. (1993). Calcite cementation in the upper Floridan aquifer: A modern example for confined-aquifer cementation models?. Geology. 21(1). 33–33. 22 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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