1. “Nanomaterial-Based Drilling Fluids for Exploitation of Unconventional Reservoirs: A Review”
by Muhammad Ali, Husna Hayati Jarni, Adnan Aftab, Abdul Razak Ismail, Noori M. Cata Saady, Muhammad Faraz Sahito, Alireza Keshavarz, Stefan Iglauer and Mohammad Sarmadivaleh
Energies 2020, 13(13), 3417; https://doi.org/10.3390/en13133417
Available online: https://www.mdpi.com/1996-1073/13/13/3417

2. “Effect of Environment-Friendly Non-Ionic Surfactant on Interfacial Tension Reduction and Wettability Alteration; Implications for Enhanced Oil Recovery”
by Omid Mosalman Haghighi, Ghasem Zargar, Abbas Khaksar Manshad, Muhammad Ali, Mohammad Ali Takassi, Jagar A. Ali and Alireza Keshavarz
Energies 2020, 13(15), 3988; https://doi.org/10.3390/en13153988
Available online: https://www.mdpi.com/1996-1073/13/15/3988

3. “Energetic and Environmental Aspects of Individual Heat Generation for Sustainable Development at a Local Scale—A Case Study from Poland”
by Michał Kaczmarczyk, Anna Sowiżdżał and Barbara Tomaszewska
Energies 2020, 13(2), 454; https://doi.org/10.3390/en13020454
Available online: https://www.mdpi.com/1996-1073/13/2/454

4. “A Review of Rheological Modeling of Cement Slurry in Oil Well Applications”
by Chengcheng Tao, Barbara G. Kutchko, Eilis Rosenbaum and Mehrdad Massoudi
Energies 2020, 13(3), 570; https://doi.org/10.3390/en13030570
Available online: https://www.mdpi.com/1996-1073/13/3/570

5. “Numerical Study on the Thermal Performance of a Single U-Tube Borehole Heat Exchanger Using Nano-Enhanced Phase Change Materials”
by Hossein Javadi, Javier F. Urchueguia, Seyed Soheil Mousavi Ajarostaghi and Borja Badenes
Energies 2020, 13(19), 5156; https://doi.org/10.3390/en13195156
Available online: https://www.mdpi.com/1996-1073/13/19/5156

6. “Prediction of Reservoir Quality from Log-Core and Seismic Inversion Analysis with an Artificial Neural Network: A Case Study from the Sawan Gas Field, Pakistan”
by Zhang Qiang, Qamar Yasin, Naser Golsanami and Qizhen Du
Energies 2020, 13(2), 486; https://doi.org/10.3390/en13020486
Available online: https://www.mdpi.com/1996-1073/13/2/486

7. “Viscosity Models for Drilling Fluids—Herschel-Bulkley Parameters and Their Use”
by Arild Saasen and Jan David Ytrehus
Energies 2020, 13(20), 5271; https://doi.org/10.3390/en13205271
Available online: https://www.mdpi.com/1996-1073/13/20/5271

8. “Recipe of Lightweight Slurry with High Early Strength of the Resultant Cement Sheath”
by Marcin Kremieniewski
Energies 2020, 13(7), 1583; https://doi.org/10.3390/en13071583
Available online: https://www.mdpi.com/1996-1073/13/7/1583

9. “Sustainable Rehabilitation of Surface Coal Mining Areas: The Case of Greek Lignite Mines”
by Francis Pavloudakis, Christos Roumpos, Evangelos Karlopoulos and Nikolaos Koukouzas
Energies 2020, 13(15), 3995; https://doi.org/10.3390/en13153995
Available online: https://www.mdpi.com/1996-1073/13/15/3995

10. “A Review on the Influence of CO₂/Shale Interaction on Shale Properties: Implications of CCS in Shales”
by Ahmed Fatah, Ziad Bennour, Hisham Ben Mahmud, Raoof Gholami and Md. Mofazzal Hossain
Energies 2020, 13(12), 3200; https://doi.org/10.3390/en13123200
Available online: https://www.mdpi.com/1996-1073/13/12/3200