John Lohrenz

1.2k total citations · 1 hit paper
43 papers, 948 citations indexed

About

John Lohrenz is a scholar working on Ocean Engineering, Renewable Energy, Sustainability and the Environment and Finance. According to data from OpenAlex, John Lohrenz has authored 43 papers receiving a total of 948 indexed citations (citations by other indexed papers that have themselves been cited), including 23 papers in Ocean Engineering, 10 papers in Renewable Energy, Sustainability and the Environment and 8 papers in Finance. Recurrent topics in John Lohrenz's work include Reservoir Engineering and Simulation Methods (20 papers), Global Energy and Sustainability Research (10 papers) and Capital Investment and Risk Analysis (8 papers). John Lohrenz is often cited by papers focused on Reservoir Engineering and Simulation Methods (20 papers), Global Energy and Sustainability Research (10 papers) and Capital Investment and Risk Analysis (8 papers). John Lohrenz collaborates with scholars based in United States, Japan and Algeria. John Lohrenz's co-authors include Bruce G. Bray, Charles R. Clark, Fred Kurata, George W. Swift, E.L. Dougherty, QingJian Liang, Lyle F. Albright, George C. Clark and Richard Engelbrecht‐Wiggans and has published in prestigious journals such as Management Science, AIChE Journal and Transport in Porous Media.

In The Last Decade

John Lohrenz

33 papers receiving 851 citations

Hit Papers

Calculating Viscosities of Reservoir Fluids From Their Co... 1964 2026 1984 2005 1964 200 400 600
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. Calculating Viscosities of Reservoir Fluids From Their Compositions
    1964 675 citations John Lohrenz, Bruce G. Bray et al. Journal of Petroleum Technology profile →

Peers

John Lohrenz
A. S. Cullick United States
R. A. Behrens Netherlands
Vassilis Gaganis Greece
Luís M.C. Pereira Portugal
Kassem Ghorayeb British Virgin Islands
T.-M Guo China
M.R. Brulé United States
Vern W. Weekman United States
Zhimin Du China
Chorng H. Twu United States
A. S. Cullick United States
John Lohrenz
Citations per year, relative to John Lohrenz John Lohrenz (= 1×) peers A. S. Cullick

Countries citing papers authored by John Lohrenz

Since Specialization
Citations

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

Fields of papers citing papers by John Lohrenz

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of John Lohrenz

This figure shows the co-authorship network connecting the top 25 collaborators of John Lohrenz. A scholar is included among the top collaborators of John Lohrenz 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 John Lohrenz. John Lohrenz 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.
Lohrenz, John, et al.. (1999). Disaggregated Remaining Reserves to Annual Production Ratios. SPE Hydrocarbon Economics and Evaluation Symposium. 1 indexed citations
2.
Lohrenz, John, et al.. (1996). EVALUATING OIL AND GAS ASSETS: OPTION PRICING METHODS PROVE NO PANACEA. 7 indexed citations
3.
Liang, QingJian & John Lohrenz. (1994). Dynamic method of measuring coupling coefficients of transport equations of two-phase flow in porous media. Transport in Porous Media. 15(1). 71–79. 21 indexed citations
4.
Lohrenz, John. (1991). Market Discount Factors for Fully Developed, Declining Production. Journal of Petroleum Technology. 43(3). 350–355. 6 indexed citations
5.
Lohrenz, John. (1991). Shut-In and Abandonment Decision Economics. SPE Hydrocarbon Economics and Evaluation Symposium. 4 indexed citations
6.
Lohrenz, John. (1988). Net Values of Our Information (includes associated papers 18563 and 18580 ). Journal of Petroleum Technology. 40(4). 499–503. 11 indexed citations
7.
Lohrenz, John. (1987). Bidding Optimum Bonus for Federal Offshore Oil and Gas Leases. Journal of Petroleum Technology. 39(9). 1102–1112. 7 indexed citations
8.
Lohrenz, John. (1986). Can exploration performance be measured. Oil & gas journal. 2 indexed citations
9.
Lohrenz, John & E.L. Dougherty. (1983). Federal offshore oil and gas lease bonus bid rejections: viewpoints of bidders and owners. Soc. Pet. Eng. AIME, Pap.; (United States).
10.
Lohrenz, John, et al.. (1983). Bonus Bidding and Bottom Lines: Federal Offshore Oil and Gas. Proceedings of SPE Annual Technical Conference and Exhibition. 1 indexed citations
11.
Lohrenz, John, et al.. (1979). Real natural gas reservoir data Vs. natural gas reservoir models. Annual Simulation Symposium. 315–336.
12.
Lohrenz, John, et al.. (1979). Federal onshore oil and gas lease bonus bids, 1972-1977: Statistical studies. Antarctica A Keystone in a Changing World. 3 indexed citations
13.
Dougherty, E.L. & John Lohrenz. (1978). Statistical Analyses of Solo and Joint Bids for Federal Offshore Oil and Gas Leases. Society of Petroleum Engineers Journal. 18(2). 87–95. 5 indexed citations
14.
15.
Dougherty, E.L. & John Lohrenz. (1976). Statistical Analyses of Bids for Federal Offshore Leases. Journal of Petroleum Technology. 28(11). 1377–1390. 13 indexed citations
16.
Lohrenz, John, Bruce G. Bray, & Charles R. Clark. (1964). Calculating Viscosities of Reservoir Fluids From Their Compositions. Journal of Petroleum Technology. 16(10). 1171–1176. 675 indexed citations breakdown →
17.
Lohrenz, John & George C. Clark. (1963). A Compositional Material Balance for Combination Drive Reservoirs with Gas and Water Injection. Journal of Petroleum Technology. 15(11). 1233–1238. 7 indexed citations
18.
Lohrenz, John & Fred Kurata. (1962). Design and evaluation of a new body for falling cylinder viscometers. AIChE Journal. 8(2). 190–193. 9 indexed citations
19.
Lohrenz, John, George W. Swift, & Fred Kurata. (1960). An experimentally verified theoretical study of the falling cylinder viscometer. AIChE Journal. 6(4). 547–550. 47 indexed citations
20.
Lohrenz, John & Fred Kurata. (1960). A Friction Factor Plot for Smooth Circular Conduits, Concentric Annuli, and Parallel Plates. Industrial & Engineering Chemistry. 52(8). 703–706. 12 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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