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Alfred Daniel Hill

Alfred Daniel Hill

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Engineering and Technology 47 4827 4644 1388 1281 259 9131
Earth Science 47 3980 3652 1558 1382 250 9064

Alfred Daniel Hill publications per year

The chart shows the history of publications by Alfred Daniel Hill between 1977 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Alfred Daniel Hill published across 49 years, from 1977 to 2025, averaging 5.8 papers a year. Output peaked at 13 publications in 2013. 16 of the 282 publications appeared in the last two years.

No. of publications
5 10
Bar chart. Horizontal axis: year, 1977 to 2025. Vertical axis: number of publications, 0 to 13. Peak 13 publications in 2013. 1977: 1 publication 1978: 0 publications 1979: 0 publications 1980: 2 publications 1981: 1 publication 1982: 2 publications 1983: 4 publications 1984: 2 publications 1985: 2 publications 1986: 2 publications 1987: 0 publications 1988: 6 publications 1989: 4 publications 1990: 0 publications 1991: 4 publications 1992: 5 publications 1993: 6 publications 1994: 3 publications 1995: 2 publications 1996: 2 publications 1997: 4 publications 1998: 5 publications 1999: 6 publications 2000: 9 publications 2001: 3 publications 2002: 6 publications 2003: 3 publications 2004: 4 publications 2005: 10 publications 2006: 4 publications 2007: 11 publications 2008: 12 publications 2009: 11 publications 2010: 10 publications 2011: 10 publications 2012: 7 publications 2013: 13 publications 2014: 9 publications 2015: 12 publications 2016: 12 publications 2017: 7 publications 2018: 10 publications 2019: 11 publications 2020: 8 publications 2021: 4 publications 2022: 9 publications 2023: 8 publications 2024: 12 publications 2025: 4 publications
1977 2025

282 publications in total across all disciplines

View publications per year as a table
Alfred Daniel Hill: publications per year, 1977 to 2025
Year Publications
1977 1
1978 0
1979 0
1980 2
1981 1
1982 2
1983 4
1984 2
1985 2
1986 2
1987 0
1988 6
1989 4
1990 0
1991 4
1992 5
1993 6
1994 3
1995 2
1996 2
1997 4
1998 5
1999 6
2000 9
2001 3
2002 6
2003 3
2004 4
2005 10
2006 4
2007 11
2008 12
2009 11
2010 10
2011 10
2012 7
2013 13
2014 9
2015 12
2016 12
2017 7
2018 10
2019 11
2020 8
2021 4
2022 9
2023 8
2024 12
2025 4
Total 282
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Alfred Daniel Hill publications per year - data summary

  • Alfred Daniel Hill, a Earth Science scholar from Texas A&M University, has 282 publications recorded across 49 years, from 1977 to 2025.
  • The oldest publication on record dates to 1977 and the most recent to 2025.
  • The most productive year is 2013, with 13 publications.
  • The least productive years with any output are 1977 and 1981, with 1 publication each.
  • 4 of the 49 years in the span carry no publications at all (1978, 1979, 1987 and 1990).
  • The rate of publication averages 5.8 papers per year over the whole span, or 6.3 per year counting only the 45 years with at least one publication.
  • The last 5 years on the chart (2021-2025) hold 37 publications, 13% of the career total.
  • Split into equal eras - 1977-1993: 41 publications (2.4 per year); 1994-2010: 105 publications (6.2 per year); 2011-2025: 136 publications (9.1 per year).
  • Comparing the opening and closing eras, the overall trend of publication is rising.

Alfred Daniel Hill publication distribution in Earth Science in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Earth Science in 2026. The highlighted bar marks where Alfred Daniel Hill sits on this spectrum.

No. of scientists
100 200 300 400 500
Bar chart with 58 bars. Horizontal axis: publications, 38–47 to 603+. Vertical axis: number of scientists, 0 to 557. Most scientists, 557, have 128–137 publications. The last bar groups every scientist with 603 publications or more. The highlighted bar, 248–257 publications, is where this scientist sits. 38–47 publications: 5 scientists 48–57 publications: 33 scientists 58–67 publications: 94 scientists 68–77 publications: 161 scientists 78–87 publications: 278 scientists 88–97 publications: 376 scientists 98–107 publications: 404 scientists 108–117 publications: 484 scientists 118–127 publications: 540 scientists 128–137 publications: 557 scientists 138–147 publications: 491 scientists 148–157 publications: 495 scientists 158–167 publications: 458 scientists 168–177 publications: 490 scientists 178–187 publications: 414 scientists 188–197 publications: 401 scientists 198–207 publications: 333 scientists 208–217 publications: 292 scientists 218–227 publications: 290 scientists 228–237 publications: 262 scientists 238–247 publications: 243 scientists 248–257 publications: 208 scientists 258–267 publications: 185 scientists 268–277 publications: 147 scientists 278–287 publications: 128 scientists 288–297 publications: 119 scientists 298–307 publications: 120 scientists 308–317 publications: 107 scientists 318–327 publications: 93 scientists 328–337 publications: 87 scientists 338–347 publications: 64 scientists 348–357 publications: 87 scientists 358–367 publications: 60 scientists 368–377 publications: 60 scientists 378–387 publications: 34 scientists 388–397 publications: 50 scientists 398–407 publications: 44 scientists 408–417 publications: 31 scientists 418–427 publications: 39 scientists 428–437 publications: 27 scientists 438–447 publications: 36 scientists 448–457 publications: 27 scientists 458–467 publications: 29 scientists 468–477 publications: 30 scientists 478–487 publications: 19 scientists 488–497 publications: 15 scientists 498–507 publications: 18 scientists 508–517 publications: 19 scientists 518–527 publications: 16 scientists 528–537 publications: 10 scientists 538–547 publications: 11 scientists 548–557 publications: 14 scientists 558–567 publications: 11 scientists 568–577 publications: 7 scientists 578–587 publications: 14 scientists 588–597 publications: 5 scientists 598–602 publications: 4 scientists 603+ publications: 100 scientists
38–47 publications 603+

This scientist: 250 publications — 78th percentile

78% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 603 publications or more.

View publications distribution as a table
Number of Earth Science scientists by publication count, Research.com 2026 ranking edition. Based on 9,176 ranked scientists.
Publications Scientists This scientist
38–47 5
48–57 33
58–67 94
68–77 161
78–87 278
88–97 376
98–107 404
108–117 484
118–127 540
128–137 557
138–147 491
148–157 495
158–167 458
168–177 490
178–187 414
188–197 401
198–207 333
208–217 292
218–227 290
228–237 262
238–247 243
248–257 208 250
258–267 185
268–277 147
278–287 128
288–297 119
298–307 120
308–317 107
318–327 93
328–337 87
338–347 64
348–357 87
358–367 60
368–377 60
378–387 34
388–397 50
398–407 44
408–417 31
418–427 39
428–437 27
438–447 36
448–457 27
458–467 29
468–477 30
478–487 19
488–497 15
498–507 18
508–517 19
518–527 16
528–537 10
538–547 11
548–557 14
558–567 11
568–577 7
578–587 14
588–597 5
598–602 4
603+ 100
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Alfred Daniel Hill publication distribution in Earth Science in 2026 - data summary

  • The chart plots the publication count of all 9,176 Earth Science scientists ranked by Research.com in 2026, grouped into 58 ranges running from 38–47 to 603+ publications.
  • Alfred Daniel Hill, a Earth Science scholar from Texas A&M University, records 250 publications - the 78th percentile of the discipline.
  • 78% of ranked Earth Science scientists score the same or lower than Alfred Daniel Hill, and about 22% score higher.
  • The median of the discipline falls in the 168–177 publications range, and Alfred Daniel Hill ranks above the median.
  • The most crowded range is 128–137 publications, holding 557 scientists (6% of the field).
  • 58% of the field sits in the lowest quarter of the value range (up to 178–187 publications), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 603 publications or more, 100 scientists in all (1% of the field).

Alfred Daniel Hill D-index placement in Earth Science in 2026

The chart shows the D-index (discipline H-index) distribution of Earth Science scientists ranked by Research.com in 2026. The highlighted bar marks where Alfred Daniel Hill sits on this spectrum.

No. of scientists
100 200 300
Bar chart with 77 bars. Horizontal axis: D-Index, 30 to 106+. Vertical axis: number of scientists, 0 to 389. Most scientists, 389, have 36 D-Index. The last bar groups every scientist with 106 D-Index or more. The highlighted bar, 47 D-Index, is where this scientist sits. 30 D-Index: 144 scientists 31 D-Index: 215 scientists 32 D-Index: 278 scientists 33 D-Index: 379 scientists 34 D-Index: 366 scientists 35 D-Index: 372 scientists 36 D-Index: 389 scientists 37 D-Index: 366 scientists 38 D-Index: 344 scientists 39 D-Index: 349 scientists 40 D-Index: 296 scientists 41 D-Index: 289 scientists 42 D-Index: 277 scientists 43 D-Index: 279 scientists 44 D-Index: 248 scientists 45 D-Index: 257 scientists 46 D-Index: 212 scientists 47 D-Index: 202 scientists 48 D-Index: 207 scientists 49 D-Index: 204 scientists 50 D-Index: 183 scientists 51 D-Index: 178 scientists 52 D-Index: 182 scientists 53 D-Index: 178 scientists 54 D-Index: 163 scientists 55 D-Index: 117 scientists 56 D-Index: 163 scientists 57 D-Index: 120 scientists 58 D-Index: 113 scientists 59 D-Index: 136 scientists 60 D-Index: 135 scientists 61 D-Index: 96 scientists 62 D-Index: 103 scientists 63 D-Index: 83 scientists 64 D-Index: 103 scientists 65 D-Index: 83 scientists 66 D-Index: 89 scientists 67 D-Index: 92 scientists 68 D-Index: 89 scientists 69 D-Index: 78 scientists 70 D-Index: 75 scientists 71 D-Index: 53 scientists 72 D-Index: 62 scientists 73 D-Index: 54 scientists 74 D-Index: 35 scientists 75 D-Index: 52 scientists 76 D-Index: 50 scientists 77 D-Index: 32 scientists 78 D-Index: 37 scientists 79 D-Index: 20 scientists 80 D-Index: 33 scientists 81 D-Index: 36 scientists 82 D-Index: 34 scientists 83 D-Index: 34 scientists 84 D-Index: 24 scientists 85 D-Index: 19 scientists 86 D-Index: 18 scientists 87 D-Index: 26 scientists 88 D-Index: 30 scientists 89 D-Index: 17 scientists 90 D-Index: 21 scientists 91 D-Index: 19 scientists 92 D-Index: 15 scientists 93 D-Index: 14 scientists 94 D-Index: 20 scientists 95 D-Index: 9 scientists 96 D-Index: 10 scientists 97 D-Index: 15 scientists 98 D-Index: 13 scientists 99 D-Index: 3 scientists 100 D-Index: 13 scientists 101 D-Index: 3 scientists 102 D-Index: 9 scientists 103 D-Index: 4 scientists 104 D-Index: 6 scientists 105 D-Index: 6 scientists 106+ D-Index: 98 scientists
30 D-Index 106+

This scientist: 47 D-Index — 57th percentile

57% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 106 D-Index or more.

View D-Index distribution as a table
Number of Earth Science scientists by D-index, Research.com 2026 ranking edition. Based on 9,176 ranked scientists.
D-Index Scientists This scientist
30 144
31 215
32 278
33 379
34 366
35 372
36 389
37 366
38 344
39 349
40 296
41 289
42 277
43 279
44 248
45 257
46 212
47 202 47
48 207
49 204
50 183
51 178
52 182
53 178
54 163
55 117
56 163
57 120
58 113
59 136
60 135
61 96
62 103
63 83
64 103
65 83
66 89
67 92
68 89
69 78
70 75
71 53
72 62
73 54
74 35
75 52
76 50
77 32
78 37
79 20
80 33
81 36
82 34
83 34
84 24
85 19
86 18
87 26
88 30
89 17
90 21
91 19
92 15
93 14
94 20
95 9
96 10
97 15
98 13
99 3
100 13
101 3
102 9
103 4
104 6
105 6
106+ 98
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Alfred Daniel Hill D-index placement in Earth Science in 2026 - data summary

  • The chart plots the discipline H-index (D-index) of all 9,176 Earth Science scientists ranked by Research.com in 2026, grouped into 77 ranges running from 30 to 106+ D-Index.
  • Alfred Daniel Hill, a Earth Science scholar from Texas A&M University, records 47 D-Index - the 57th percentile of the discipline.
  • 57% of ranked Earth Science scientists score the same or lower than Alfred Daniel Hill, and about 43% score higher.
  • The median of the discipline falls in the 44 D-Index range, and Alfred Daniel Hill ranks above the median.
  • The most crowded range is 36 D-Index, holding 389 scientists (4% of the field).
  • 62% of the field sits in the lowest quarter of the value range (up to 49 D-Index), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 106 D-Index or more, 98 scientists in all (1% of the field).

Overview

Alfred Daniel Hill is affiliated with Texas A&M University in the United States. Their research spans multiple fields related to engineering and earth sciences, with a primary focus on drilling, hydraulic fracturing, and reservoir analysis.

The scientist has contributed significantly to several main fields of study including:

  • Engineering
  • Earth and Planetary Sciences

Within these broader fields, their work often concentrates on subfields such as:

  • Ocean Engineering
  • Mechanical Engineering
  • Geophysics
  • Civil and Structural Engineering
  • Mechanics of Materials

Key research topics addressed in their publications include:

  • Drilling and Well Engineering
  • Hydraulic Fracturing and Reservoir Analysis
  • Seismic Imaging and Inversion Techniques
  • Reservoir Engineering and Simulation Methods
  • Seismic Waves and Analysis
  • Geotechnical Engineering and Underground Structures
  • Advanced Fiber Optic Sensors

The scientist's recent scholarly output features papers that explore hydraulic fracturing, acoustic sensor technology, and acid stimulation methods in carbonate reservoirs. Notable recent publications are:

  • "Decision Criterion for Acid-Stimulation Method in Carbonate Reservoirs: Matrix Acidizing or Acid Fracturing?" (2020), published in SPE Journal
  • "Diagnosing Multistage Fracture Treatments with Distributed Fiber-Optic Sensors" (2020), published in SPE Hydraulic Fracturing Technology Conference and Exhibition
  • "Diagnosing Multistage Fracture Treatments with Distributed Fiber-Optic Sensors" (2020), published in SPE Production & Operations
  • "Experimental Investigation of Low-Frequency Distributed Acoustic Strain-Rate Responses to Propagating Fractures" (2022), published in SPE Journal
  • "Thermal Effects on Far-Field Distributed Acoustic Strain-Rate Sensors" (2021), published in SPE Journal

These publications demonstrate ongoing research into the application of fiber-optic sensors and acoustic technologies for monitoring and enhancing hydraulic fracturing processes.

Frequent venues for this scientist's publications include:

  • SPE Hydraulic Fracturing Technology Conference and Exhibition
  • SPE Journal
  • SPE Annual Technical Conference and Exhibition
  • SPE Production & Operations
  • Sensors

Collaboration is an important aspect of the scientist's work. They have coauthored numerous papers with colleagues such as:

  • Ding Zhu
  • Shohei Sakaida
  • Erich Kerr
  • Smith Leggett
  • Y Hamanaka

The overall volume of research output emphasizes engineering applications in subsurface environments, particularly in the context of reservoir stimulation and monitoring technologies with advanced sensors. Their work integrates multidisciplinary approaches combining engineering mechanics, geophysics, and sensor technology.

Best Publications

  • Petroleum production systems

    Michael J. Economides;A. D. Hill;Christine Ehlig-Economides

  • The Optimum Injection Rate for Matrix Acidizing of Carbonate Formations

    Y. Wang;A.D. Hill;R.S. Schechter

  • A mechanistic model of wormhole growth in carbonate matrix acidizing and acid fracturing

    K. M. Hung;A. D. Hill;Kamy Sepehrnoori

  • Reaction Rate and Fluid Loss: The Keys to Wormhole Initiation and Propagation in Carbonate Acidizing

    Tianping Huang;A.D. Hill;R.S. Schechter

  • Laboratory Measurement of Hydraulic Fracture Conductivities in the Barnett Shale

    Junjing Zhang;Anton Kamenov;D.. Zhu;A. D. Hill

  • The Effect of Natural Fractures on Hydraulic Fracture Propagation

    N.K. Potluri;D. Zhu;Alfred Daniel Hill

  • Experimental and numerical studies of reduced fracture conductivity due to proppant embedment in the shale reservoir

    Junjing Zhang;Liangchen Ouyang;D. Zhu;A.D. Hill

  • Experimental and Numerical Studies of Reduced Fracture Conductivity due to Proppant Embedment in Shale Reservoirs

    Junjing Zhang;Lianchen Ouyang;Alfred Daniel Hill;Ding Zhu

  • A rigorous formation damage skin factor and reservoir inflow model for a horizontal well

    Kenji Furui;D. Zhu;A.D. Hill

  • Laboratory Measurement of Hydraulic-Fracture Conductivities in the Barnett Shale

    Unknown

  • Determining Multilayer Formation Properties from Transient Temperature and Pressure Measurements

    Weibo Sui;Ding Zhu;Alfred Daniel Hill;Christine A. Ehlig-Economides

  • The Effect of Wormholing on the Fluid Loss Coefficient in Acid Fracturing

    A.D. Hill;Ding Zhu;Y. Wang

  • Numerical and experimental investigation of acid wormholing during acidization of vuggy carbonate rocks

    Omer Izgec;Ding Zhu;Alfred D. Hill

  • New Model of Acid-Fracture Conductivity Based on Deformation of Surface Asperities

    Ming Gong;Stephan Lacote;A.D. Hill

  • The Texture of Acidized Fracture Surfaces: Implications for Acid Fracture Conductivity

    Camilo Malagon Nieto;Maysam Pournik;Alfred D. Hill

  • A Comprehensive Model of High-Rate Matrix Acid Stimulation for Long Horizontal Wells in Carbonate Reservoirs

    Kenji Furui;Robert C. Burton;David W. Burkhead;Nabeel A. Abdelmalek

  • A comprehensive model of temperature behavior in a horizontal well

    Keita Yoshioka;Ding Zhu;A.D. Hill;Pinan Dawkrajai

  • A Comprehensive Model of Horizontal Well Completion Performance

    Kenji Furui;Ding Zhu;A. D. Hill

  • A Comprehensive Model of High-Rate Matrix-Acid Stimulation for Long Horizontal Wells in Carbonate Reservoirs: Part I--Scaling Up Core-Level Acid Wormholing to Field Treatments

    Kenji Furui;Robert C. Burton;David W. Burkhead;Nabeel A. Abdelmalek

  • Fluid Placement and Diversion in Matrix Acidizing

    A.D. Hill;W.R. Rossen

  • A New Correlation of Acid-Fracture Conductivity Subject to Closure Stress

    Jiayao Deng;Jianye Mou;Alfred Daniel Hill;Ding Zhu

Frequent Co-Authors

Ding Zhu
Ding Zhu Texas A&M University
Kamy Sepehrnoori
Kamy Sepehrnoori The University of Texas at Austin
Hisham A. Nasr-El-Din
Hisham A. Nasr-El-Din Texas A&M University
Christine Ehlig-Economides
Christine Ehlig-Economides University of Houston
Abdullah S. Sultan
Abdullah S. Sultan King Fahd University of Petroleum and Minerals
Akhil Datta-Gupta
Akhil Datta-Gupta Texas A&M University
Perla B. Balbuena
Perla B. Balbuena Texas A&M University
Michael J. Economides
Michael J. Economides University of Houston
Mohamed Mahmoud
Mohamed Mahmoud King Fahd University of Petroleum and Minerals
William R. Rossen
William R. Rossen Delft University of Technology

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