Synthetic polymers: A review of applications in drilling fluids
February 2024
With the growth of deep drilling and the complexity of the well profile, the requirements for a more complete and efficient exploitation of productive formations increase, which increases the risk of...
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Crude oil wax: A review on formation, experimentation, prediction, and remediation techniques
October 2022
Wax deposition during crude oil production, transportation, and processing has been a headache since the early days of oil utilization. It may lead to low mobility ratios, blockage of production tubing/pipelines...
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Standards and methods for dent assessment and failure prediction of pipelines: A critical review
December 2022
Dent, a common mechanical damage on pipelines, is associated with a significant local plastic deformation. Dents can cause pipeline failures, especially when they are combined with other types of defects...
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Recent developments in high-performance Nafion membranes for hydrogen fuel cells applications
June 2022
As a promising alternative to petroleum fossil energy, polymer electrolyte membrane fuel cell has drawn considerable attention due to its low pollution emission, high energy density, portability, and...
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A review of high-performance MEMS sensors for resource exploration and geophysical applications
December 2022
MEMS sensors have the advantages of small volume, lightweight, and low cost, therefore, have been widely used in the fields of consumer electronics, industry, health, defence, and aerospace. With their...
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Polymer flooding: Current status and future directions
April 2023
This review presents our perspective on the factors that have brought polymer flooding to its current state. Insights are provided on why HPAM is the dominant polymer used as well as what is needed...
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Production decline curve analysis of shale oil wells: A case study of Bakken, Eagle Ford and Permian
December 2024
The shale revolution has turned the United States from an oil importer into an oil exporter. The success of shale oil production in the U.S. has inspired many countries, including China, to begin the...
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Advances in enhanced oil recovery technologies for low permeability reservoirs
August 2022
Low permeability oil and gas resources are rich and have great potential all over the world, which has gradually become the main goal of oil and gas development. However, after traditional primary and...
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Review on the challenges and strategies in oil and gas industry's transition towards carbon neutrality in China
December 2023
In light of carbon-neutral pledge, the oil and gas industry has been facing several critical new challenges in China. The current status and new challenges in terms of market mechanism reform, supply-consumption...
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Wettability of different clay mineral surfaces in shale: Implications from molecular dynamics simulations
April 2023
Shale contains a lot of clay minerals. Clay minerals mainly exist in nano- and micro-meter sized particles, and the pore structure is complex, which leads to its extremely complex wettability. The surface...
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Rock thin-section analysis and identification based on artificial intelligent technique
August 2022
Rock thin-section identification is an indispensable geological exploration tool for understanding and recognizing the composition of the earth. It is also an important evaluation method for oil and...
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Impacts of microbial interactions on underground hydrogen storage in porous media: A comprehensive review of experimental, numerical, and field studies
December 2024
Amidst the rapid development of renewable energy, the intermittency and instability of energy supply pose severe challenges and impose higher requirements on energy storage systems. Among the various...
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A technical review of CO2 flooding sweep-characteristics research advance and sweep-extend technology
January 2025
The utilization and storage of CO2 emissions from oil production and consumption in the upstream oil industry will contribute to sustainable development. CO2 flooding is the key technology for the upstream...
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Advanced development of chemical inhibitors in water-based drilling fluids to improve shale stability: A review
May 2025
Wellbore instability is a critical challenge in drilling operations, especially in shale formations where interaction with water-based drilling fluids can result in significant operational risks and...
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Machine learning approaches for assessing stability in acid-crude oil emulsions: Application to mitigate formation damage
February 2025
The stability of acid-crude oil emulsion poses manifold issues in the oil industry. Experimentally evaluating this phenomenon may be costly and time-consuming. In contrast, machine learning models have...
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Impact of dissolution and precipitation on pore structure in CO2 sequestration within tight sandstone reservoirs
February 2025
Complex physical and chemical reactions during CO2 sequestration alter the microscopic pore structure of geological formations, impacting sequestration stability. To investigate CO2 sequestration dynamics,...
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Biomass thermal decomposition induced hydrogen sulfide blooming in thermal recovery reservoirs
April 2025
High concentration of secondary hydrogen sulfide (sH2S) in thermal recovery reservoirs of Liaohe Oilfield, NE China was concluded to originate from thermochemical sulfate reduction (TSR), and no biotic...
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Preparation and performance evaluation of a novel sand–water dual-control functional polymer
February 2025
In response to the challenges of sand production and high water cut during the exploitation of oil reservoirs in unconsolidated sandstones, a novel sand–water dual-control functional polymer, PDSM,...
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Development and evaluation of organic/metal ion double crosslinking polymer gel for anti-CO2 gas channeling in high temperature and low permeability reservoirs
February 2025
CO2 flooding enhanced oil recovery (CO2-EOR) represents a significant technology in the low permeability reservoir. With the fractures and heterogeneity in low permeability reservoirs, CO2-EOR is susceptible...
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Coupled effects of paleofluid evolution on ultra-deep microbialite reservoir modification: A case study of the upper Ediacaran Deng-2 member within the Penglai area of Central Sichuan Basin, SW China
February 2025
Paleofluid-rock interaction results in the modification of the ultra-deep reservoir quality, but the coupling effects of the paleofluid evolution on reservoir quality modification are still underestimated....
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Characteristics, controlling factors and mechanisms of natural fractures formation in lacustrine shale oil reservoirs: The Chang 7 member in Ordos Basin, China
April 2025
Lacustrine shale oil reservoirs of the Upper Triassic Chang 7 Member in the Ordos Basin have demonstrated significant potential for hydrocarbon resources. Natural fractures play a crucial role in hydrocarbon...
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Restoration of hydrocarbon generation potential of the highly mature Lower Cambrian Yuertusi Formation source rocks in the Tarim Basin
February 2025
The Early Cambrian Yuertusi Formation (Є1y) in the Tarim Basin of China deposits a continuously developed suite of organic-rich black mudstones, which constitute an important source of oil and gas reservoirs...
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A review of fluid displacement mechanisms in surfactant-based chemical enhanced oil recovery processes: Analyses of key influencing factors
June 2022
Surfactant-based oil recovery processes are employed to lower the interfacial tension in immiscible displacement processes, change the wettability of rock to a more water-wet system and emulsify the...
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Deciphering origins of hydrocarbon deposits by means of intramolecular carbon isotopes of propane adsorbed on sediments
February 2025
Hydrocarbons are one of the important fluids within the Earth's crust, and different biotic and abitoic processes can generate hydrocarbon during geological periods. Tracing the sources and sinks of...
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Effects of multi-scale wave-induced fluid flow on seismic dispersion, attenuation and frequency-dependent anisotropy in periodic-layered porous-cracked media
February 2025
The wave-induced fluid flow (WIFF) occurring in the ubiquitous layered porous media (e.g., shales) usually causes the appreciable seismic energy dissipation, which further leads to the frequency dependence...
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