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

Mapping the Global Research Trends on Rare Earth Elements in Coal and Coal By-products from 2010 – 2024 Using a Bibliometric Approach
Temitope Love Baiyegunhi and François Mulenga, pp. 647-665

Seismic Stratigraphic and Rock Physics Modeling of “XY” Field Onshore Niger Delta Basin
Osaki Lawson-Jack, pp. 633-646

Petroleum Source Rock Potential and Thermal Maturity of the Offshore Keta Sedimentary Basin of Ghana Based on Rock-Eval Pyrolysis Data
Prosper A Akaba, William A Marfo, Frederick K Bempong, Victor Hatsu, Williams Donkor, Clifford Fenyi, Gordon Foli, Simon K Y Gawu, pp. 623-632

An Approach for the Prediction of Asphaltene Onset Pressure and Bubble Point Pressure for Crude Oil using Machine Learning
for Crude Oil using Machine Learning
Ifeanyi U.A. Oguamah, Ntimaobasi D. Inyang, Jude E. Odoh, Onyebuchi I. Nwanwe, Chukwuebuka F. Dike, pp. 613-622

Studying the Profitability and Environmental Enhancement by Adding a Va-pour Recovery Unit For a Petroleum Plant in Operation
Kareem M. Taher, Ahmed A. Bhran, Shazly M. Salem, Nadia El-Sayed, Walaa M. Shehata, pp. 603-612

Techno-Economic Evaluation of Oil and Gas Wells as Geothermal Resource for Power Generation: A Niger-Delta Case Study
Blessed Oghenevieze Usuolori, Nkemakolam Chinedu Izuwa, Anthony Kerunwa, Ngozi Claribelle Nwogu, Christain Emelu Okalla, Chukwuebuka Francis Dike, pp. 594-602

Modification of Bitumens for Road Construction
A. Grigorov, А. Tulska, I. Sinkevych, О. Mardupenko, M. Nahliuk, pp. 588-593

Optimization of Butane Boil off Gas Re-Liquefaction Process Using Alternative Technique to Conventional Refrigeration System
Alaa M. Ali, Walaa A. E. Omar, Eman A. Emam, pp. 574-587

Predicting Equivalent Circulating Density While Primary Cementing Job by Employing Machine Learning Techniques
Elfakeur Abidi Saad,·Aissa Abidi Saad,·Salaheldin Elkatatny, Khalil Moulay Brahim, Mohamed Nadhir Abid,· Hichem Horra, pp. 559-573

Modelling of Drillstring Hook Loads for Torque and Drag Evaluation in Extended Reach Wells
Ubanozie Julian Obibuike, Stanley Toochukwu Ekwueme, Nnaemeka Princewill Ohia, Frank Chinedu Ukaeru, Ifeanyi Michael Onyejekwe, Mathew Chidubem Udechukwu, Hassan Babidi Yahya, pp. 540-558

Real-Time Drillstring Vibration Prediction Using Surface Drilling Data through Machine Learning Methods
Mostafa Bayan, Said K. Elsayed, Shady G. Elramah, pp. 523-539

Method Design for Distillers Solubles Recycling and Reusing into Fuel Pellets
Andrii Shkop, Oleksii Shestopalov, Natalііa Ponomarova, Musii Tseitlin, Denis Miroshnichenko, Vladimir Lebedev, Tetiana Chudovska, Dmytro Ttembitskyi, Dmytro Ivanenko, Mikhailo Miroshnychenko, pp. 508-522

Assessing the Reservoir Quality and Prospectivity of the “MUH” Field, Onshore Niger Delta Basin
Lawson Jack Osaki, pp. 496-507

Physical and Chemical Aspects of Oil Agglomeration as a Method for Preparing Salty Coal for Thermal Processing
Tetiana Shendrik, Volodymyr Biletskyi, Natalia Desna, pp. 484-495

Well Log Analysis and Reservoir Characterisation of Ronier 6-1 Well in the Bon-gor Sedimentary Basin
Mahamat Choukou Mahamat, Matthew E. Nton, Mahamat Nour Abdallah, Justin Protais Bekono Ottou, pp. 469-483

Mathematical Model of Alkylbenzenes Sulfonation Process Considering the Coloring Products Formation
Irena O. Dolganova, Igor M Dolganov, Elena N. Ivashkina, pp. 463-468

Research on Tartaric Acid as a Retardant of the Solidification Process of Well-Well Packing Solutions
V. М. Orlovskyi, V. S. Biletskyi, N. A. Desna, pp. 456-462

Machine Learning Models for Real-Time Skin Factor Prediction in Foamed Acid Treatments
Nermeen Hana and Said K. Elsayed, pp. 440-455

Technological Bases of Motor Gasoline Production from Secondary Polyolefin Raw Material
K. Shevchenko, A. Hryhorov, О. Antoshkin, L. Mitiuk, L. Tretiakova, pp. 433-439

Ecosystem approach to the analysis of oil companies efficiency and state regulation policy
Dmitry V. Rodnyansky, Ivan N. Makarov, Vladislav S. Nazarenko, Elena V. Drobot, Maria A. Batova, pp. 425-432

A Path Toward Environmental Sustainability: Evaluating Alternative Technique for NORM Waste Reduction at the Egyptian Western Desert
Ahmed M. S. Eneaba, Said K. E. Salem, Salahuddin M. Kamal, pp. 406-424

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

Development of a Thermal Dissociation Model for Remediation of Hydrate Plugs in Crude Oil Pipelines

Lebari A. Tamzor, Mathew U. Shadrack, Tobinson A. Briggs, pp. 1015-1026

Geomechanical Assessment of Vergo Field, Onshore Niger Delta, Nigeria: Implications for Wellbore Integrity and Sand Production Onset

Okwudili A. Anyiam, Chukwumerije. G. Nwanekezi-Phil, Ayonma W. Mode, pp. 1004-1014

Technology of Coke Coal Transmission by Main Hydraulic Transport

Volodymyr Biletskyi, Yurii Svitlyi, Natalia Desna, Vitalii Biletskyi, pp. 996-

Artificial Neural Network Applications in Coal Research: A Bibliometric Mapping of Developments and Trends (2003–2024)

Samuel-Soma M. Ajibade, Muhammed Basheer Jasser, Ghassan Saleh ALDharhani, Oluwadare Joshua Oyebode, Bemgba Bevan Nyakuma, pp. 974-995

Technological Basis for the Production of Compounded Boiler Fuel with Improved Operational Properties

Andrii Hryhorov, Serhiy Bondarenko, Volodymyr Oliinyk, Viacheslav Durieiev, Murat Maliarov, Oleksandr Hryhorenko, pp. 968-973

Using MBAL and the Voidage Replacement Ratio to Evaluate Water Flooding Efficiency in the Hassi Messaoud Oil field

Zakaria Adjou, Djamila Boufades, Souad Hammadou née Mesdour, Mustapha Miloudi, pp. 956-967

Geochemical Characterization of Middle Miocene Source Rocks in the Meren-69 Field, Niger Delta, Nigeria: Implications for Gas-Prone Hydrocarbon Systems

Samuel Okechukwu Onyekuru, Nancy Chinelo Iwueke, Timothy Chibuike Anyanwu, Diugo Okereke Ikoro, Reginald Chinonso Maduka, Ifeyinwa Juliana Ofoh, Olisaemeka Paschal Offodile, pp. 945-955

Application of Multi Criteria Decision Making to Optimize Natural Gas Pipelines: A Case Study

Mostafa H. Hussein, pp. 931-944

Polymethacrylic Acid Derivatives as Paraffin Inhibitors for Waxy Crude Oil

Taisir T. Khidr  and Marwa R. Mishrif, pp. 931-942

Sedimentology and Facies Modeling of the Lower Cretaceous Formations, Ro-nier Oilfield, Bongor Sedimentary Basin, Chad

Mahamat Choukou Mahamat, Matthew E. Nton, Mahamat Nour Abdallah, Justin Protais Bekono Ottou, pp. 907-930

Application of Local Sourced Biopolymers for Polymer Flood Study: A Review

Chukwuebuka F. Dike, Nkemakolam C. Izuwa, Anthony Kerunwa, Nnaemeka P. Ohia, Lilian E. Ndoma-Egba, Anthony O.Chikwe, Nnaemeka Uwaezuoke, Blessing Okpo Henry, pp. 900-906

Experimental Investigation of Hydroxyethyl Cellulose (HEC), HEC/SiO₂, and HEC-g-Silica Precursors for Enhanced Oil Recovery

A.N. El-hoshoudy, A.M. Elwan, and S. Gomaa, pp. 890-899

Effectiveness of New Cationic Surfactant for Carbon Steel Corrosion Control in Harsh Acidic Environment During Chemical Cleaning Process at Petroleum Field

Ahmed Nazeif, E. A. El-sharkawy, W. H. Hegazy, M. A. Hegazy, pp. 875-889

Research on Rare Earth Elements Available in Coal and Coal By-Products Found in Africa: A Bibliometric Analysis (2010 to 2024)

Temitope Love Baiyegunhi, and François Mulenga, pp. 857-874

Accurate Prediction of Post-Fracturing Productivity Index Using Advanced Machine Learning Models: A Field-Validated Framework

Ahmed Gamal, Samuel Nashed, Oluchi Ejehu, Emad Nabil and Rouzbeh Moghanloo, pp. 841-856

Proximate and Washability Analysis of Witbank-Highveld Coal: Mineralogical Composition and Yield Evaluation
Amos S. Segola, Mercy M. Ramakokovhu, James Mulwanda, Moipone L. Teffo, Mxolisi B. Shongwe, pp. 833-840

Activated Carbon as Sorbent of Metal Ions
Elina Khobotova, Vita Datsenko, pp. 827-832

Gaussian Process Regression for Predicting Permeability Damage from Sulfate Deposition in Oil Reservoirs During Waterflooding
R. Saifi, N. Zeraibi, M.Gareche, N.A. Menad, C.Benamara, pp. 820-826

Optimization Study on Choke and Production Tubing Size Using Machine Learning
Anthony Ogbaegbe Chikwe, Chigozie David Onwuakpa, Chukwuebuka Francis Dike, pp. 809-819

Enhancing Coal Seam Detection through Data-Driven Borehole Log Interpretation
Vu Hong Duong, Nguyen Minh Hoa, pp. 801-808

Evaluating Corrosion Inhibition of Mild Steel in Natural Seawater Using Ocimum Sanctum Extract and Its Metal Nanoparticles via Linear Sweep Voltammetry
Rabab M. Nasser, pp. 783-800

Subsurface Potential Evaluation of Okigwe, Southeastern Nigeria, Using Gravity Method
C. N. Onwubuariri, S.O. Akidi, B. I. Ijeh, C. D. Mazi, Osaki Lawson-Jack, C. C. Agoha, pp. 768-782

Enhanced Differential Pipe Sticking Detection in Drilling Operations Using Machine Learning Ensemble Methods
A. Aseel, M. Aslam Abdullah, P.V. Sidharth, Rithul Roy, G. Anandhi, M. Iyapparaja, O. Karthik Krishnan, Bandaru Kiran, pp. 756-767

Modelling and Optimization of Oil Production Performance and Forecasting using Material Balance and Machine Learning Models
Oladele Robert Buki, Azunna I.B Ekejiuba, Angela Nkechi Nwachukwu, Ugochukwu Ilozurike Duru, Stanley Toochukwu Ekwueme, pp. 735-755

Evaluation of Local Hydrate Inhibitors in a Gas Dominated Flow Loop
Nakwaasah Otua Ledum, Uche Osokogwu and Okon Efiong Okon, pp. 721-734

Diagenetic Mineralization and Stratal Terminations Related to Surfaces and Depositional Systems of Sequence Stratigraphic Relevance
S. O. Onyekuru, U. E. Imoh, S. U. Osahon, D. O. Ikoro, O. I. Njoku, E. Iheanyi, J. I. Ofoh, H. Etchetama, O. A. Oluwajana, and V. I. Fagorite, pp. 703-720

Reserve Estimation through the Application of Well Logs Using Machine Learning
C. I. C. Anyadiegwu, C. E. Okalla, A. Kerunwa, V. G. Danjuma, Y. B. Hassan, C. B. N. Nwadike, pp. 692-702

Enhanced Reservoir Characterization of the “IFY” Field Offshore Niger Delta Basin Using Well logs and Seismic Data
I. J. Ofoh, S. O. Onyekuru, D. O. Ikoro, A. I. Opara, E. M. Okoro, C. N. Okereke, O. C. Akakuru, pp. 682-691

Research on the Waterproofing Properties of the Polymeric Organic Silicone Material Akor-B100 for Oil And Gas Wells
V. М. Orlovskyi, V. S. Biletskyi, N. A. Desna, pp. 675-681

Transportation of Natural Gas using Hydrate Technology: Comparative Economic Analysis of Various Gas Transportation Techniques
Anthony Ogbaegbe Chikwe, Faith Mmesonma Eze, Christian Emelu Okalla, Ndubuisi Uchechukwu Okereke and Mathew Chidubem Udechukwu, pp. 666-674

Extraction and Analysis of Compressional, Shear, and Stoneley Slowness, Rock Mechanical Properties, and Shear Anisotropy Using Sonic Scanner Data

Usama Alameedy, pp. 1104-1120

New Approach of Miscible Enhanced Oil Recovery Using Supercritical Acid Gas in Sandstone Reservoirs and Evaluation by Nuclear Magnetic Resonance (NMR) Technology

Zakaria Adjou, Djamila Boufades, Souad Hammadou née Mesdour, Mustapha Miloudi, pp. 1094-1103

Evaluation Indicators for the Technological Properties of Coal in Gravity Separation

Anatolii Samoilov, Natalia Desna, pp. 1086-1093

Paleoenvironmental and Paleohydrodynamic Reconstructions of Maastrichian Ajali Sandstone Sediments in Parts of the Anambra Basin, Southeastern Nigeria

D. Enyioko, S. O. Onyekuru, D. O. Ikoro, C. E. Okalla, C. F. Dike, pp. 1079-1085

Data-Driven Evaluation of Surface Drilling Parameters Influencing Rate of Penetration: Insights from 7,000+ Field Records

Pete Anak Francis Lagan, Bashir Busahmin, Hafed Elgandoz, pp. 1070-1078

Integrating Outcrop, Well Log and Seismic Data for Petroleum System Analysis of the Calabar Flank: A Recent Review

I. P. Dim, A.W. Mode, I. A. Okonkwo, I. M. Umeadi, J. N. Eradiri, R. A. Ojong, pp. 1060-1069

New Designed Mesofluidic System Applied for the Study of Preferential Pathways and Steam Injection During Water-Oil Displacement

Zakaria Adjou, Djamila Boufades, Souad Hammadou née Mesdour, Mustapha Miloudi, Zahaf Maamar, Belahlou Narimene, pp. 1050-1059

Study of Physicochemical Properties of Feedstock and Product in the Technology of Linear Alkylbenzene Sulfonation

Elena N. Ivashkina, Nadezhda I. Krivtcova, Irena O. Dolganova, Igor M. Dolganov, Anna E. Matkova, pp. 1044-1049

Mapping Progress in Machine/Deep Learning Applications in Coal Research: A Bibliometric Perspective (2016–2024)

Samuel-Soma M. Ajibade, Muhammed Basheer Jasser, Ismail Ahmed Al-Qasem Al-Hadi, Ghassan Saleh ALDharhani, Bemgba Bevan Nyakuma, pp. 1027-1043