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Topic · Ocean Engineering

Coal Properties and Utilization

Coal Properties and Utilization is a research topic within Ocean Engineering. Science Explorer counts 18k research works in it since 1950. 9.7% of them reached the world's top 10% most cited for their field and year.

This cluster of papers focuses on the recovery and utilization of coalbed methane, including topics such as CO2 sequestration, coal permeability, methane adsorption, pore structure of coals, low-rank coals, spontaneous combustion, microbial methane generation, enhanced recovery techniques, and the geological controls on coalbed methane reservoirs.

  • Coalbed Methane
  • CO2 Sequestration
  • Coal Permeability
  • Methane Adsorption
  • Pore Structure
  • Low-Rank Coals
  • Spontaneous Combustion
  • Microbial Methane Generation
  • Enhanced Recovery
  • Geological Controls
Research works
18k
fractional, since 1950
In the world top 10%
1.7k
per year above
Top-10% rate
9.7%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
+28%
the tick is no change
Largest producer
China
85% of the 10 largest, 2022-now
Coal Properties and Utilization

Which countries lead Coal Properties and Utilization research?

By volume, China and the United States publish the most (4.1k and 162 works in 2022-now).

By volume, 2022-now

  1. 1 China 4.1k works
  2. 2 United States 162 works
  3. 3 India 125 works
  4. 4 Australia 111 works
  5. 5 Russia 109 works
  6. 6 Poland 62 works
  7. 7 United Kingdom 52 works
  8. 8 ?? 49 works
  9. 9 Canada 41 works
  10. 10 Indonesia 38 works

How concentrated that is

The same countries as shares of everything the list above accounts for. A node where two countries do two thirds of the work and one spread evenly across twelve read alike as a ranking and not at all alike here.

China: 84.7%United States: 3.3%India: 2.6%Australia: 2.3%6 others listed: 7.2%85%largest
China4,140 · 84.7%United States162 · 3.3%India125 · 2.6%Australia111 · 2.3%6 others listed350 · 7.2%

Shares of the rows listed above, not of the whole node.

Which institutions lead Coal Properties and Utilization research?

By volume in 2022-now, China University of Mining and Technology publishes the most Coal Properties and Utilization research, followed by Xi'an University of Science and Technology and Henan Polytechnic University.

By volume, 2022-now

  1. 1 China University of Mining and TechnologyChina 628 works
  2. 2 Xi'an University of Science and TechnologyChina 202 works
  3. 3 Henan Polytechnic UniversityChina 166 works
  4. 4 Shandong University of Science and TechnologyChina 146 works
  5. 5 Taiyuan University of TechnologyChina 143 works
  6. 6 Anhui University of Science and TechnologyChina 128 works
  7. 7 Liaoning Technical UniversityChina 122 works
  8. 8 China National Petroleum Corporation (China)China 122 works
  9. 9 Chongqing UniversityChina 101 works
  10. 10 Chinese Academy of SciencesChina 79 works

Who are the leading researchers in Coal Properties and Utilization?

The most-cited researchers publishing on Coal Properties and Utilization include Xiaogang Wang, Philippe Ciais and Kai You Wang.

  1. 1 Xiaogang Wang China 260k citations
  2. 2 Philippe Ciais France 237k citations
  3. 3 Kai You Wang China 224k citations
  4. 4 Seeram Ramakrishna Singapore 186k citations
  5. 5 Robert B. Jackson United States 149k citations
  6. 6 Huan Liu Australia 148k citations
  7. 7 Zhuang Liu China 142k citations

Ranked by citations received across their whole record, among researchers with at least three works on this topic.

What are the most cited papers in Coal Properties and Utilization?

The most cited paper in Coal Properties and Utilization is "Spectrum of pore types and networks in mudrocks and a descriptive classification for matrix-related mudrock pores" (Robert G. Loucks, Robert M. Reed, Stephen C. Ruppel et al., 2012), with 2,571 citations. Next come "The importance of shale composition and pore structure upon gas storage potential of shale gas reservoirs" (2,212) and "Pore structure characterization of North American shale gas reservoirs using USANS/SANS, gas adsorption, and mercury intrusion" (1,760).

Most cited papers
#PaperReleasedCitations
1 Spectrum of pore types and networks in mudrocks and a descriptive classification for matrix-related mudrock pores Robert G. Loucks, Robert M. Reed, Stephen C. Ruppel et al. · AAPG Bulletin Jun 2012 2,571
2 The importance of shale composition and pore structure upon gas storage potential of shale gas reservoirs Daniel Ross, Robert Marc Bustin · Marine and Petroleum Geology 26 Jun 2008 2,212
3 Pore structure characterization of North American shale gas reservoirs using USANS/SANS, gas adsorption, and mercury intrusion Christopher R. Clarkson, Nisael Solano, Robert Marc Bustin et al. · Fuel 13 Jul 2012 1,760
4 Coalbed methane: A review Tim A. Moore · International Journal of Coal Geology 14 Jul 2012 1,690
5 Oxy-fuel combustion technology for coal-fired power generation B.J.P. Buhre, Liza K. Elliott, Changdong Sheng et al. · Progress in Energy and Combustion Science 2005 1,540
All 100 most cited papers, with filters and sorting

Where is Coal Properties and Utilization research done?

The largest centres of Coal Properties and Utilization research in 2022-now are Beijing (China), Xuzhou (China), Xi'an (China) and Qingdao (China). Among places with at least 20 works in it, it is an unusually large share of all research in Fuxin, Xuzhou and Jiaozuo.

Largest cities, 2022-now

  1. 1 BeijingChina 875 works
  2. 2 XuzhouChina 637 works
  3. 3 Xi'anChina 331 works
  4. 4 QingdaoChina 215 works
  5. 5 TaiyuanChina 199 works
  6. 6 JiaozuoChina 170 works
  7. 7 HuainanChina 150 works
  8. 8 ChongqingChina 131 works
  9. 9 ChengduChina 127 works
  10. 10 FuxinChina 122 works

Where it is the local speciality

  1. FuxinCN · 122.3 works140×
  2. XuzhouCN · 637.0 works137×
  3. JiaozuoCN · 169.7 works106×
  4. HuainanCN · 149.8 works101×
← less than its size predicts1×more →

Location quotient: how much more of its research is in Coal Properties and Utilization than the world average.

See Coal Properties and Utilization on the map

Where is the best place to study Coal Properties and Utilization?

Among universities, judged by research, China University of Mining and Technology, Shandong University of Science and Technology and Xi'an University of Science and Technology score highest, combining excellence, specialisation, size, growth and international reach. Research strength is one signal when choosing where to study; it does not measure teaching.

0%10%20%mean 15.02%fractional works in this field (log) →share of work in the world top 10% →Shenzhen UniversityShandong University …Xi'an University of …China University of …
above the meannear itbelow it

One dot per university in the first ten of the table below, at the default weights. The upper left is the interesting corner: small places doing unusually strong work.

Excellenceshare of its work in the world top 10%, 2022-now and all time averaged
40%
Specialisationhow much of its work is in this field, counted up to 10× the world share
10%
Sizeits output in this field, on a log scale
30%
Growthoutput growth, counted from -20% to +20%
10%
Internationalshare of its work with a co-author abroad
10%
Each slider sets a weight; the share it gets of the score is beside it.
#UniversityScoreTop 10%SpecialisationWorksGrowth
1China University of Mining and TechnologyChina 68.612.7%180.3×628 +22.9%
2Shandong University of Science and TechnologyChina 67.715.9%67.7×146 +22.9%
3Xi'an University of Science and TechnologyChina 61.714.1%199.4×202 +116.6%
4Shenzhen UniversityChina 60.723.7%2.9×9 +147.1%
5China University of Geosciences (Beijing)China 57.612.3%60.4×78 +33.2%
6Chongqing UniversityChina 56.214.2%21.0×101 +7.8%
7Anhui University of Science and TechnologyChina 52.711.6%120.3×128 +181.8%
8Taiyuan University of TechnologyChina 52.510.2%77.8×143 +79.8%
9Shaanxi University of Science and TechnologyChina 52.420.5%8.0×9 +135.6%
10Guizhou UniversityChina 51.715.0%19.4×44 +225.3%

Universities only. The score blends excellence (40%), size (30%), specialisation (10%), growth (10%), international reach (10%), 2022-now; growth compares 2018-21 with 2022-25 and counts up to +20%, since a jump from a small base is mostly noise.

Every institution in Coal Properties and Utilization, country by country

Is Coal Properties and Utilization research growing?

Output in 2022-2025 was 28% higher than in 2018-2021, peaking in 2025. The fastest-growing topics are Coal Properties and Utilization.

still counting19801990200020102020
grewheldshrank

The same series as a ribbon: one cell per year, darker for more. The line above answers how much; this answers when.

Its share of all research

Growing output can still be a shrinking share: all of science grows. This is Coal Properties and Utilization as a percentage of every work published that year, 0.018% in 2024.

still counting0.010%0.020%0.030%Coal Properties and Utilization0.022% in 202519801990200020102020

Fractional works of Coal Properties and Utilization over all fractional works that year. How the balance of science has shifted.

How much of it reaches the world top 10%

Year by year.

still counting5%10%15%Coal Properties and Utilization9.7% in 2025200020102020

Of each year's works in it, the share that reached the world's 10% most cited for their field and year. A field is the world for its own topics, so there is no other line to hold it against.

Which topics inside it are moving

Growth and decline on one axis around a shared zero. Two lists side by side hide the thing that matters: whether the growth dwarfs the decline, or the other way round.

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