Tor Austad

13.1k total citations · 9 hit papers
141 papers, 11.3k citations indexed

About

Tor Austad is a scholar working on Ocean Engineering, Mechanics of Materials and Mechanical Engineering. According to data from OpenAlex, Tor Austad has authored 141 papers receiving a total of 11.3k indexed citations (citations by other indexed papers that have themselves been cited), including 103 papers in Ocean Engineering, 77 papers in Mechanics of Materials and 56 papers in Mechanical Engineering. Recurrent topics in Tor Austad's work include Enhanced Oil Recovery Techniques (101 papers), Hydrocarbon exploration and reservoir analysis (77 papers) and Hydraulic Fracturing and Reservoir Analysis (56 papers). Tor Austad is often cited by papers focused on Enhanced Oil Recovery Techniques (101 papers), Hydrocarbon exploration and reservoir analysis (77 papers) and Hydraulic Fracturing and Reservoir Analysis (56 papers). Tor Austad collaborates with scholars based in Norway, Denmark and Finland. Tor Austad's co-authors include Skule Strand, Dag Chun Standnes, Tina Puntervold, Peimao Zhang, Alireza Rezaeidoust, Medad T. Tweheyo, Eli J. Høgnesen, S. Jafar Fathi, S. F. Shariatpanahi and J. Milter and has published in prestigious journals such as Energy & Fuels, Colloids and Surfaces A Physicochemical and Engineering Aspects and Journal of Petroleum Science and Engineering.

In The Last Decade

Tor Austad

137 papers receiving 10.9k citations

Hit Papers

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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.

Wettability alteration and improved oil recovery by spontaneous imbibition of seawater into chalk: Impact of the potential determining ions Ca2+, Mg2+, and SO42−

2006 706 citations Tor Austad et al. Colloids and Surfaces A Physicochemical and Engineering Aspects profile →
Wettability alteration in chalk

2000 546 citations Dag Chun Standnes, Tor Austad Journal of Petroleum Science and Engineering profile →
Chemical Mechanism of Low Salinity Water Flooding in Sandstone Reservoirs

2010 532 citations Tor Austad, Tina Puntervold et al. profile →
Smart Water as Wettability Modifier in Carbonate and Sandstone: A Discussion of Similarities/Differences in the Chemical Mechanisms

2009 523 citations Tina Puntervold, Skule Strand et al. Energy & Fuels profile →
Wettability alteration in chalk

2000 518 citations Dag Chun Standnes, Tor Austad Journal of Petroleum Science and Engineering profile →
Wettability and oil recovery from carbonates: Effects of temperature and potential determining ions

2006 474 citations Tor Austad et al. Colloids and Surfaces A Physicochemical and Engineering Aspects profile →
Wettability alteration of carbonates—Effects of potential determining ions (Ca2+ and SO42−) and temperature

2005 444 citations Skule Strand, Eli J. Høgnesen et al. Colloids and Surfaces A Physicochemical and Engineering Aspects profile →
Conditions for a Low-Salinity Enhanced Oil Recovery (EOR) Effect in Carbonate Oil Reservoirs

2011 383 citations Tor Austad, S. F. Shariatpanahi et al. Energy & Fuels profile →
“Smart Water” as a Wettability Modifier in Chalk: The Effect of Salinity and Ionic Composition

2010 304 citations S. Jafar Fathi, Tor Austad et al. Energy & Fuels profile →

Author Peers

Peers are selected by citation overlap in the author's most active subfields. citations · hero ref

Author						Papers	Cites
Tor Austad	10.5k	8.1k	6.5k	3.2k	542	141	11.3k
Vladimir Alvarado	4.0k 0.4×	2.4k 0.3×	2.0k 0.3×	1.6k 0.5×	847 1.6×	143	5.0k
Jill S. Buckley	4.2k 0.4×	3.7k 0.5×	1.5k 0.2×	2.6k 0.8×	329 0.6×	66	4.9k
Quoc P. Nguyen	4.9k 0.5×	2.6k 0.3×	2.6k 0.4×	1.3k 0.4×	801 1.5×	221	5.9k
Arne Skauge	3.8k 0.4×	2.0k 0.2×	2.2k 0.3×	891 0.3×	525 1.0×	140	4.4k
P. L. J. Zitha	4.6k 0.4×	2.1k 0.3×	2.2k 0.3×	829 0.3×	1.4k 2.5×	229	5.8k
R. Farajzadeh	5.2k 0.5×	2.6k 0.3×	2.5k 0.4×	964 0.3×	2.1k 3.8×	199	6.6k
Achinta Bera	3.3k 0.3×	1.6k 0.2×	1.3k 0.2×	1.7k 0.5×	584 1.1×	77	4.7k
David S. Schechter	3.3k 0.3×	2.0k 0.2×	2.5k 0.4×	545 0.2×	571 1.1×	153	3.8k
Maura Puerto	3.5k 0.3×	1.7k 0.2×	1.5k 0.2×	1.6k 0.5×	323 0.6×	67	3.9k
Lamia Goual	3.0k 0.3×	2.6k 0.3×	540 0.1×	2.6k 0.8×	541 1.0×	76	4.1k

Countries citing papers authored by Tor Austad

Since Specialization

Citations

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

Fields of papers citing papers by Tor Austad

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Tor Austad

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

All Works

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20 of 20 papers shown

Puntervold, Tina, et al.. (2015). Modified seawater as a smart EOR fluid in chalk. Journal of Petroleum Science and Engineering. 133. 440–443. 89 indexed citations

Shariatpanahi, S. F., Skule Strand, Tor Austad, & Hakan Aksulu. (2012). Wettability Restoration of Limestone Cores Using Core Material From the Aqueous Zone. Petroleum Science and Technology. 30(11). 1082–1090. 13 indexed citations

Fathi, S. Jafar, Tor Austad, & Skule Strand. (2011). Improved Oil Recovery in Carbonates by Modified Seawater – Optimal Ionic Composition and Salinity. Proceedings. 5 indexed citations

Strand, Skule, et al.. (2011). Combined Surfactant-Enhanced Gravity Drainage (SEGD) of Oil and the Wettability Alteration in Carbonates: The Effect of Rock Permeability and Interfacial Tension (IFT). Energy & Fuels. 25(5). 2083–2088. 67 indexed citations

Puntervold, Tina, Skule Strand, & Tor Austad. (2009). Coinjection of Seawater and Produced Water to Improve Oil Recovery from Fractured North Sea Chalk Oil Reservoirs. Energy & Fuels. 23(5). 2527–2536. 62 indexed citations

Austad, Tor, Skule Strand, M.V. Madland, Tina Puntervold, & Reidar Inge Korsnes. (2008). Seawater in Chalk: An EOR and Compaction Fluid. SPE Reservoir Evaluation & Engineering. 11(4). 648–654. 141 indexed citations

Korsnes, Reidar Inge, et al.. (2007). The effects of temperature on the water weakening of chalk by seawater. Journal of Petroleum Science and Engineering. 60(3-4). 183–193. 66 indexed citations

Puntervold, Tina, Skule Strand, & Tor Austad. (2007). Water Flooding of Carbonate Reservoirs – Effects of a Model Base and Natural Crude Oil Bases on Chalk Wettability. 1 indexed citations

Austad, Tor, Skule Strand, M.V. Madland, Tina Puntervold, & Reidar Inge Korsnes. (2007). Seawater in Chalk: An EOR and Compaction Fluid. International Petroleum Technology Conference. 36 indexed citations

10.

Høgnesen, Eli J., Skule Strand, & Tor Austad. (2005). Waterflooding of Preferential Oil-Wet Carbonates: Oil Recovery Related to Reservoir Temperature and Brine Composition. 151 indexed citations

11.

Standnes, Dag Chun & Tor Austad. (2003). Wettability alteration in carbonates. Colloids and Surfaces A Physicochemical and Engineering Aspects. 218(1-3). 161–173. 198 indexed citations

12.

Standnes, Dag Chun, et al.. (2002). An Evaluation of Spontaneous Imbibition of Water into Oil-Wet Carbonate Reservoir Cores Using a Nonionic and a Cationic Surfactant. Energy & Fuels. 16(6). 1557–1564. 183 indexed citations

13.

Standnes, Dag Chun, Eli J. Høgnesen, & Tor Austad. (2001). Wettability alternation in chalk 8. Thermally induced spontaneous imbibition of water into oil-wet chalk at elevated temperatures. Journal of Petroleum Science and Engineering. 1 indexed citations

14.

Standnes, Dag Chun & Tor Austad. (2000). Wettability alteration in chalk. Journal of Petroleum Science and Engineering. 28(3). 123–143. 518 indexed citations breakdown →

15.

Schramm, Laurier L., Laurier L. Schramm, Laurier L. Schramm, et al.. (2000). Surfactants. Cambridge University Press eBooks. 250 indexed citations

16.

Austad, Tor, et al.. (1997). Chemical flooding of oil reservoirs Part 9. Dynamic adsorption of surfactant onto sandstone cores from injection water with and without polymer present. Colloids and Surfaces A Physicochemical and Engineering Aspects. 127(1-3). 69–82. 44 indexed citations

17.

Austad, Tor, et al.. (1996). Chemical flooding of oil reservoirs 5. The multiphase behavior of oil/brine/surfactant systems in relation to changes in pressure, temperature, and oil composition. Colloids and Surfaces A Physicochemical and Engineering Aspects. 108(2-3). 253–262. 40 indexed citations

18.

Austad, Tor & Ingebret Fjelde. (1992). A Chromatographic Analysis of Commercial Products of Ethoxylated Sulfonates. Analytical Letters. 25(5). 957–971. 12 indexed citations

19.

Austad, Tor, J. Johan Lindberg, Øyvind Mikalsen, et al.. (1975). Studies on Polythionates. IV. The Action of the Cyanide Ion on the Selenotrithionate Ion and the Diselenotetrathionate Ion in Acetonitrile.. Acta chemica Scandinavica/Acta chemica Scandinavica. B, Organic chemistry and biochemistry/Acta chemica Scandinavica. A, Physical and inorganic chemistry/Acta chemica Scandinavica. Series B. Organic chemistry and biochemistry/Acta chemica Scandinavica. Series A, Physical and inorganic chemistry. 29a. 71–75.

20.

Austad, Tor, et al.. (1971). The Diisocyanatoargentate Ion.. Acta chemica Scandinavica/Acta chemica Scandinavica. B, Organic chemistry and biochemistry/Acta chemica Scandinavica. A, Physical and inorganic chemistry/Acta chemica Scandinavica. Series B. Organic chemistry and biochemistry/Acta chemica Scandinavica. Series A, Physical and inorganic chemistry. 25. 1136–1138. 4 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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