Runar Nygaard

2.6k total citations · 1 hit paper
105 papers, 2.0k citations indexed

About

Runar Nygaard is a scholar working on Ocean Engineering, Mechanical Engineering and Civil and Structural Engineering. According to data from OpenAlex, Runar Nygaard has authored 105 papers receiving a total of 2.0k indexed citations (citations by other indexed papers that have themselves been cited), including 90 papers in Ocean Engineering, 79 papers in Mechanical Engineering and 28 papers in Civil and Structural Engineering. Recurrent topics in Runar Nygaard's work include Drilling and Well Engineering (79 papers), Hydraulic Fracturing and Reservoir Analysis (72 papers) and Tunneling and Rock Mechanics (27 papers). Runar Nygaard is often cited by papers focused on Drilling and Well Engineering (79 papers), Hydraulic Fracturing and Reservoir Analysis (72 papers) and Tunneling and Rock Mechanics (27 papers). Runar Nygaard collaborates with scholars based in United States, Canada and Norway. Runar Nygaard's co-authors include G. Hareland, Saeed Salehi, Mortadha Alsaba, Arild Saasen, Baojun Bai, Olav‐Magnar Nes, Maen M. Husein, P. Tongwa, Raj Kiran and Cătălin Teodoriu and has published in prestigious journals such as The Science of The Total Environment, Journal of Applied Polymer Science and International Journal of Rock Mechanics and Mining Sciences.

In The Last Decade

Runar Nygaard

103 papers receiving 1.9k citations

Hit Papers

Identification and evaluation of well integrity and cause... 2017 2026 2020 2023 2017 50 100 150 200 250
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. Identification and evaluation of well integrity and causes of failure of well integrity barriers (A review)
    2017 256 citations Runar Nygaard, Saeed Salehi et al. Journal of Natural Gas Science and Engineering profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Runar Nygaard United States 25 1.7k 1.3k 744 487 235 105 2.0k
Alexandre Lavrov Norway 19 671 0.4× 554 0.4× 345 0.5× 351 0.7× 203 0.9× 73 1.0k
Gonghui Liu China 21 1.1k 0.7× 915 0.7× 372 0.5× 417 0.9× 44 0.2× 126 1.4k
Arash Dahi Taleghani United States 26 2.0k 1.2× 1.9k 1.4× 655 0.9× 987 2.0× 324 1.4× 169 2.8k
Siavash Ghabezloo France 24 654 0.4× 509 0.4× 1.1k 1.5× 909 1.9× 275 1.2× 73 2.0k
Ali Ghalambor United States 19 1.1k 0.7× 967 0.7× 162 0.2× 305 0.6× 87 0.4× 155 1.4k
W.A.M. Wanniarachchi Australia 23 738 0.4× 694 0.5× 237 0.3× 865 1.8× 405 1.7× 38 1.4k
Yingfeng Meng China 19 629 0.4× 549 0.4× 177 0.2× 327 0.7× 79 0.3× 77 963
Mortadha Alsaba Kuwait 25 1.4k 0.8× 1.1k 0.8× 523 0.7× 306 0.6× 53 0.2× 81 1.6k
Zuorong Chen Australia 18 534 0.3× 853 0.6× 167 0.2× 837 1.7× 87 0.4× 43 1.3k
Kang Duan China 29 675 0.4× 413 0.3× 886 1.2× 1.7k 3.5× 74 0.3× 93 2.4k

Countries citing papers authored by Runar Nygaard

Since Specialization
Citations

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

Fields of papers citing papers by Runar Nygaard

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Runar Nygaard

This figure shows the co-authorship network connecting the top 25 collaborators of Runar Nygaard. A scholar is included among the top collaborators of Runar Nygaard 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 Runar Nygaard. Runar Nygaard 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.
2.
Nygaard, Runar, et al.. (2025). Hybrid ROP modeling: Combining analytical and data-driven approaches for drilling. Geoenergy Science and Engineering. 251. 213877–213877. 1 indexed citations
3.
Dushaishi, Mohammed F. Al, et al.. (2024). Evaluating PDC bit-rock interaction models to investigate torsional vibrations in geothermal drilling. Geothermics. 122. 103060–103060. 6 indexed citations
4.
Kristiansen, Tron Golder, et al.. (2024). Real-Time Lithology Prediction at the Bit Using Machine Learning. Geosciences. 14(10). 250–250. 4 indexed citations
5.
6.
Tang, Jianan, et al.. (2023). Glass Additive and Subtractive Manufacturing of a Fiber Optic Rotary Encoder for Downhole Pressure Sensing. IEEE Sensors Journal. 23(7). 6969–6975. 3 indexed citations
7.
Salehi, Saeed, et al.. (2023). Techno-Economic Investigation of Geothermal Development in Sedimentary Basins. 2. 1 indexed citations
8.
Karami, Hamidreza, et al.. (2022). Prediction of Methane Leakage Through Primary Cement Barrier in the High Island OPD, Gulf of Mexico. Journal of Natural Gas Science and Engineering. 101. 104511–104511. 3 indexed citations
9.
Nygaard, Runar, et al.. (2021). Top of Cement Selection Results in Leakage Pathways of Cased Wellbores During Production. 2 indexed citations
10.
Duguid, Andrew, et al.. (2021). Monitoring well integrity at the Cranfield field phase III CO2 storage project. International journal of greenhouse gas control. 109. 103341–103341. 11 indexed citations
11.
Nygaard, Runar, et al.. (2021). Data Driven In-Situ Sonic Log Synthesis in Carbonate Reservoirs. 2 indexed citations
12.
Nygaard, Runar, et al.. (2020). Generating Synthetic Bulk Density Logs for Carbonate Formations. 3 indexed citations
13.
Cheng, Baokai, et al.. (2017). A Fluidic-Based High-Pressure Sensor Interrogated by Microwave Fabry–Perot Interferometry. IEEE Sensors Journal. 17(14). 4388–4393. 12 indexed citations
14.
Nygaard, Runar, et al.. (2016). Shale Instability of Deviated Wellbores in Southern Iraqi Fields. 50th U.S. Rock Mechanics/Geomechanics Symposium. 3. 1866. 6 indexed citations
15.
Nygaard, Runar, et al.. (2014). What Difference Does Selection of Failure Criteria Make in Wellbore Stability Analysis. 3. 2114. 4 indexed citations
16.
Salehi, Saeed & Runar Nygaard. (2014). Full Fluid–Solid Cohesive Finite-Element Model to Simulate Near Wellbore Fractures. Journal of Energy Resources Technology. 137(1). 38 indexed citations
17.
Hareland, G., et al.. (2013). Wellbore Strengthening-Nano-Particle Drilling Fluid Experimental Design Using Hydraulic Fracture Apparatus. PRISM (University of Calgary). 42 indexed citations
18.
Nygaard, Runar, et al.. (2012). PDC cutter and Bit development for challenging Conglomerate Drilling in the Luno Field - Offshore Norway. IADC/SPE Drilling Conference and Exhibition. 5 indexed citations
19.
Salehi, Saeed & Runar Nygaard. (2011). Numerical Study of Fracture Initiation, Propagation, Sealing to Enhance Wellbore Fracture Gradient. 13 indexed citations
20.
Salehi, Saeed & Runar Nygaard. (2010). Finite-element Analysis of Deliberately Increasing the Wellbore Fracture Gradient. 8 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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