Volume 67, 2025

Facies and Paleoenvironmental Analysis of the Ajali Formation around Nkpologu-Ugbene Ajima, Southeastern Nigeria
Sonia Ijeoma Onyeneke, Aloysius Okwudiri Anyiam, Anthony Ikenna Okonkwo, pp. 256-267

A Prediction Model for Commingled Sandstone Reservoirs Injection Profile Utilizing Injection Logging Data
Mohamed Magdy, Adel M. Salem, Shady Galal El-Rammah, pp. 241-255

Experimental testing and modeling the fluid loss and rheological behaviors of untreated and glass waste treated 6% bentonite water based drilling mud
Sahmee Eddwan Mohammed, Aram Mohammed Raheem, Ibrahim Jalal Naser, pp. 226-240

Technical and Economical Study of Hydrogen Production Using Darrieus Wind Turbine in Various Sites of Algeria
Mohamed Douak, Zaroual Aouachriad, pp. 215-225

Permeability Measurements Facilitate the Assessment of Spatial Differences in Grain Size Distributions Present in an Outcrop
Rubiyatul Adawiyah Matarsa and Bashir Busahmin, pp. 207-214

Performance Study of Surfactant-Assisted Electrokinetics for Enhanced Oil Recovery in the Niger-Delta
Henry E. Idudje, Stanley I. Onwukwe, Angela Nwachukwu, Ugochukwu I. Duru, Anthony Kerunwa, Chukwuebuka Francis Dike, pp. 200-206

Digital twins in the oil and gas industry
Maxim Vadimovich Lipovka, Taras Viktorovich Gandzha, Maksim Igorevich Kochergin, Yuri A. Shurygin, Natalia V. Aksenova, pp. 188-199

Uncertainties Associated with Petroleum Reservoir’s Rock and Fluid Properties
Suresh Kumar Govindarajan, pp. 181-187

Fuel Quality and Energy Recovery Analyses of Duduguru Coal from the Middle Benue Trough, Nigeria
Bemgba B. Nyakuma, Opeyemi M. Ajayi, Samuel-Soma M. Ajibade, Anthonia O. Adediran, pp. 172-180

Optimization of Nanofluid Systems for Enhanced Oil Recovery: Analysis of Concentration, Slug Size, and Injection Rates
Abdelrahman El-Diasty, Shedid A. Shedid, Hamid Khattab, Mahmoud Tantawy, pp. 164-171

Evaluation of Key Parameters and Performance Indicators of A-05 Well in the Niger-Delta
Nnaemeka Uwaezuoke, Kalu G. Oji, Ndubuisi U. Okereke, Lilian E. Ndoma-Egba, Chukwuebuka F. Dike, pp. 156-163

Microstructural, Morphological, and Compositional Analyses of Duduguru Coal from the Middle Benue Trough, Nigeria
Bemgba B. Nyakuma, Opeyemi M. Ajayi, Samuel-Soma M. Ajibade, Anthonia O. Adediran, pp. 148-155

Mechanism of Dispersion of Non-Polar Collecting Reagents in Coal Slime Flotation
Anatolii Samoilov, Volodymyr Biletskyi, Natalia Desna, pp. 140-147

Reservoir Characterization to Define Reservoir Quality in Uncored Reservoir: A Case Study, Lower Bahariya Sandstone Reservoir, East Abu Gharadig Basin, North the Western Desert, Egypt
Menna-T-Allah Lotfy, Hamid M. Khattab, Mohamed H. Menissi, Ali M. Wahba, pp. 123-139

Characterization of Flow-rate dominated Deposition on Flow Assurance Investigations associated with Multi-Phase Hydrocarbon Flow through Pipe Lines
Suresh Kumar Govindarajan, pp. 118-122

Modelling Annual Natural Gas Demand Forecasting Using Non-Linear Auto-regressive with Exogenous Input (NARX) Neural Networks
Ifeanyichukwu M. Onyejekwe, pp. 106-117

Gas Chimney Delineation and Prospect Identification from Seismic Data Using Artificial Neural Networks in an Area of North Sea, Netherlands
Md. Asiful Islam, Waraka Bin Ismail, Md. Nasirul Islam, Mohammad Mujtaba Hasan, pp. 94-105

Microstructural, Morphological, and Compositional Analysis of Owukpa Coal from the Middle Benue Trough, Nigeria
Bemgba B. Nyakuma, Aliyu Jauro, Mary Gojeh, Sani M. Isyaka, Olagoke A. Oladokun, Indi S. Gbaja, Samuel-Soma M. Ajibade, pp. 86-93

Recognizing Key Petroleum System Elements within the Coal-Bearing Sequence of the Mamu Formation in the Anambra Basin, Southeastern Nigeria
C. I. P. Dim, A. W. Mode, I. A Okonkwo, I. M. Umeadi, R. C. Orajiuka, pp. 79-85

Improvement and Reconstruction of Coking Processes
K. Shmeltser, S. Pyshyev, D. Miroshnichenko, S. Kravchenko, N. Vytrykush, M. Shved, pp. 68-78

Study of Dehydration of Coal-Oil Concentrate
Volodymyr Biletskyi, Natalia Desna, Vitalii Biletskyi, pp. 59-67

Enhanced Cascade Refrigeration System Performance via Fuzzy-Based Multi-Objective Optimization
Mohamed A. Atef, Shazly M. Salem, Mostafa H. Hussein, pp. 45-58

Energy Saving through Optimizing the Re-liquefaction Process for the Boil-off Gas Inside Propane Tank
Alaa M. Ali, Walaa A. E. Omar, Eman A. Emam, pp. 36-44

Tackling the Supply Disruption of Natural Gas Pipeline Networks A Case Study on Upper Egypt Network
Hassan Hossam Eldin, Nour El-Emam, Abu-Zaid El-Sayed, and Nasser Zoghaib, pp. 24-35

Determination of Replacement Terms of Mineral Motor Oils Based on to their Actual Condition
A. Grigorov, S. Bondarenko, V. Khrystych, M. Maliarov, N. Maksymovska, pp. 16-23

New Experimental Approach to the Influence of Pore Geometry on Laboratory Water-Oil Relative Permeability and Oil Recovery Using A Reconstituted Matrix Based on Sand and Clay Particles
Zakaria Adjou, Djamila Boufades, Zahaf Maamar, Belahlou Narimene, Mustapha Miloudi, Souad Hammadou née Mesdour, pp. 1-15

Optimal Design of a Multi-Period Natural Gas Transmission Network
Omar M. Hussien, Moustafa E. Awad, Nasser A. Zoghaib, pp. 390-405

Optimizing Facies Analysis, Capillary Pressure, and Flow Units Identification of Mishrif Carbonate Reservoir in a Selected Oilfield, Southern Iraq
Mohammed Abdullah Khashman, Hamed Shirazi, Ahmed N. AL-Dujaili, Nada M. Sulaiman, pp. 372-389

In-situ SAXS-WAXS study on preparation of activated carbon from anthracite
Xia Li, Yueqian Fan, Zhihong Li, pp. 358-371

Impact of Underground Gas Storage in Depleted Reservoir on the Efficiency of Gas Supply in Nigeria
A. I. Esue, D. Appah, W. C. Okologume, V. J. Aimikhe, N. E. Ezendiokwere, pp. 347-357

Basic Principles of Recycling Waste Plastic Lubricants into Boiler Oils and Marine Fuels
A. Grigorov, O. Bryhada, S. Vavreniuk, Y. Makarov, O. Sharovatova, pp. 339-346

Performance Analysis of Coiled Tubing in Sand Cleanouts: Understanding Slip Velocity and Pressure Drop
Hamiz Aqmar Razak and Bashir Busahmin, pp. 331-338

Friction Reduction by using of Multi-Walled Carbon Nanotubes in Water Based Mud
Mohamed Saad Elhossieny, Attia M. Attia, Hesham Abuseda, Ahmed Gouish, Adel M. Salem, pp. 318-330

Synthesis and Property Appraisal of Acrylamide-based Copolymer with Sulpho-nate Pendant for Viscosification and Filtration Loss Control in Aqueous Benton-ite-based Mud
Robert D. Nagre, Sampson K. Kyei, Alain P. Tchameni, Kwame E. Tabbicca, Prince A. Owusu, Frimpong K. Isaac, pp. 304-317

Adsorptive Desulfurization of Diesel over Imidazolium-Functionalized Carbon Nanospheres: Evaluation of Physicochemical Properties and Emission Simulation
Rouag Nardjes, Souad Hammadou née Mesdour, Djamila Boufades, Samer Said, Aksas Hamouche, pp. 291-303

Aeromagnetic Mapping of Basement Depth and Structure of the Calabar Flank and Adjoining Areas Southeastern Nigeria
G. E. Inyang, A. I .Opara, D. O. Ikoro, C. N. Okereke, C. P. Onyenegecha, E. M. Okoro, A. I. Omenikolo, I. A. Oha and J. N. Odii, pp. 278-290

Hydrophobic Associating Amphiphilic Tetrapolymer for Improved Stability of Drilling Mud
Robert D. Nagre, Alain P. Tchameni, Sampson K. Kyei, Prince A. Owusu, Frimpong K. Isaac, pp. 268-277