Traffic light system regulation of induced seismicity under multi-well fluid injection
June 2025
The occurrence time and magnitude of injection-induced seismicity are influenced by engineering factors, such as wellhead pressure, injection location, injection volume, and injection rate. Understanding...
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Seismic and petrophysical data analysis for geological interpretation and subsurface modeling of Keva Field, onshore Niger Delta, Nigeria
June 2025
This study integrates seismic and petrophysical data to evaluate the subsurface geology of the Keva Field, located onshore in the Niger Delta, with the objective of constructing a 3D geological model...
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Machine learning-based prediction of physical parameters in heterogeneous carbonate reservoirs using well log data
June 2025
This study explores the application of machine learning techniques for predicting permeability, porosity, and flow zone indicator (FZI) in carbonate reservoirs using well log data, aiming to overcome...
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The control of differential tectonics on the formation of deep reservoirs in lacustrine rift basins: An insight of the Bodong Low Uplift in the Bohai Bay Basin, East China
June 2025
Tectonic activities significantly impact deep reservoir properties via sedimentary and diagenetic processes, and this is particularly true for lacustrine rift basins. The tectonic-sedimentary-diagenetic-reservoir...
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Thermo-hydro-mechanical-chemical coupling effects on the integrated optimization of CO2-EOR and geological storage in a high water-cut reservoir in Xinjiang, China
April 2025
Carbon dioxide-enhanced oil recovery (CO2-EOR) and storage is recognized as an economically feasible technique if used in suitable reservoirs. The type or form and capacity of this CO2 sequestration...
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Hydrothermal activity and its influence on hydrocarbon accumulation in deep dolomite reservoirs of the Ediacaran Dengying Formation, Sichuan Basin
April 2025
There are abundant hydrothermal events within the Dengying Formation dolomite of the Precambrian system in southwest China. Methods including petrography identification, fluid-inclusion observation,...
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Clastic facies classification using machine learning-based algorithms: A case study from Rawat Basin, Sudan
March 2025
Machine learning techniques and a dataset of five wells from the Rawat oilfield in Sudan containing 93,925 samples per feature (seven well logs and one facies log) were used to classify four facies....
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Combined application of FTAN and cross-spectra analysis to ambient noise recorded by a microseismic monitoring network
March 2025
A case study of seismic interferometry applied to a small microseismic monitoring network is here presented. The main objectives of this study are (i) to quantify the lateral variability of shear-wave...
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Estimation of parameters for 3D geomechanical modeling from triaxial test results
March 2025
Triaxial testing serves as a fundamental method for evaluating the elastic and strength properties of rocks, crucial for developing accurate 3D geomechanical models. This paper presents a novel method...
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Making sense of the L-shaped pore pressure ramps in Brunei: Compression-induced vertical fluid flow in the basin and its impact on the petroleum system
March 2025
Overpressure prediction for exploratory drilling has become robust in most basins with increasing well control, high-quality seismic datasets, and proactive real-time overpressure monitoring while drilling....
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Reservoir characteristics and distribution of the Majiagou Formation in the Fuxian area of Ordos Basin, China
March 2025
The Majiagou Formation in the Fuxian area of the southeastern Ordos Basin has undergone a complex diagenetic evolution history under the influence of eustacy and the Caledonian karstification, resulting...
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Paleoclimatic and paleoenvironmental constraints on organic matter enrichment in the Paleocene strata in the Lishui Sag, East China Sea Shelf Basin
March 2025
Using major and trace element analyses, this study investigated the impacts of paleoclimatic and paleoenvironmental variations on organic matter enrichment in the Paleocene Yueguifeng, Lingfeng, and...
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Application of fractal model in the Jurassic tight sandstone reservoirs of central Junggar Basin as constrained by mercury ejection curves
March 2025
The high-pressure mercury intrusion (HPMI) experiment is widely used to assess the pore architecture of tight sandstone reservoirs. However, the conventional analysis of the high-pressure mercury intrusion...
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Carbon circular utilization and sequestration in depleted hydrocarbon reservoirs: Towards a carbon-neutral China
March 2025
The technology of carbon dioxide (CO2) enhanced hydrocarbon recovery is favored over other Carbon Capture, Utilization, and Sequestration (CCUS) methods for achieving the “double carbon” goal in China...
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Geological characteristics of coal mines in the Zagros Basin of Iran: Unveiling rock mechanical properties and time-dependent behavior
March 2025
The Zagros Basin in southwestern Iran is a significant source of coal, with numerous coal mines operating in the region. Ensuring the stability of coal mines is crucial for safe and efficient mining...
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Sand body architecture of braided river deltas in the Upper Triassic Xujiahe Formation, Sichuan Basin
March 2025
The recent discovery of natural gas within the fifth member of the Xujiahe Formation (T3x5) in the Dongfeng area within the Sichuan Basin highlights the significant exploration potential of this member....
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Experimental study of combined thermal flooding in improving heavy oil flowability
March 2025
China boasts abundant heavy oil resources, which is vital for its energy security. However, its heavy oil typically exhibits high viscosity, which severely hinders its flow and extraction. Enhancing...
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Quantifying the crossover from capillary fingering to viscous fingering in heterogeneous porous media
March 2025
Studying immiscible fluid displacement patterns can provide a better understanding of displacement processes within heterogeneous porous media, thereby helping improving oil recovery and optimizing...
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Integrated AutoML-based framework for optimizing shale gas production: A case study of the Fuling shale gas field
March 2025
This study introduces a comprehensive and automated framework that leverages data-driven methodologies to address various challenges in shale gas development and production. Specifically, it harnesses...
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Deformation of the void space of pores and fractures of carbonates: Comprehensive analysis of core and field data
March 2025
Many new and developed oilfields are confined to carbonate reservoirs with a complex void space structure. In this study, the behavior of carbonates as a function of decreased reservoir pressure was...
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Source rock characterization of the Dingo Claystone, Barrow Sub-basin, Australia – Influence of contamination on geochemical analyses
March 2025
An integrated study on source rock characterization and hydrocarbon generation potential modeling was conducted for the selected Dingo Claystone, Barrow Sub-basin, Australia. In this study, data were...
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CO2 geological storage in sedimentary basins: An update on the potential and suitability evaluation and a field test
March 2025
China has pledged to peak carbon dioxide (CO2) emissions by 2030 and achieve carbon neutrality by 2060. Carbon capture and storage (CCS) will play a key role in these efforts. Over the past several...
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Segmented evolution and exploration targets of the Cambrian platform margin in the Manxi area, Tarim Basin
March 2025
The Cambrian platform margin in the Tarim Basin boasts favorable source-reservoir-cap assemblages, making it a significant target for hydrocarbon exploration in ultra- to extra-deep facies-controlled...
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March 2025
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March 2025
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