The role of new energy in carbon neutral
April 2021
Carbon dioxide is an important medium of the global carbon cycle, and has the dual properties of realizing the conversion of organic matter in the ecosystem and causing the greenhouse effect. The fixed...
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Application and development trend of artificial intelligence in petroleum exploration and development
February 2021
Aiming at the actual demands of petroleum exploration and development, this paper describes the research progress and application of artificial intelligence (AI) in petroleum exploration and development,...
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Progress and prospects of carbon dioxide capture, EOR-utilization and storage industrialization
August 2022
Carbon dioxide capture, EOR-utilization and storage (CCUS-EOR) are the most practical and feasible large-scale carbon reduction technologies, and also the key technologies to greatly improve the recovery...
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Progress and prospects of oil and gas production engineering technology in China
June 2022
This paper summarizes the important progress in the field of oil and gas production engineering during the “Thirteenth Five-Year Plan” period of China, analyzes the challenges faced by the current oil...
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Environmental impacts of hydraulic fracturing in shale gas development in the United States
December 2015
Through comprehensive investigation of the environmental issues in shale gas development in the US, the environmental impacts of hydraulic fracturing in shale gas development are summarized to provide...
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A comprehensive review of polyacrylamide polymer gels for conformance control
August 2015
Polymer gels have been designed and successfully applied to improve sweep efficiency and to reduce excessive water production by minimizing reservoir heterogeneity. Based on their compositions and application...
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Status, trends and enlightenment of global oil and gas development in 2021
October 2022
By analyzing the distribution of global oil and gas fields and the reasons why some oil and gas fields are not in production, the distribution characteristics of oil and gas remaining recoverable reserves...
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Analysis of the world oil and gas exploration situation in 2021
October 2022
The global exploration investment, new oil and gas discoveries, exploration business adjustment strategies of oil companies in 2021, and future favorable exploration domains are systematically analyzed...
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Progress and prospects of horizontal well fracturing technology for shale oil and gas reservoirs
February 2022
By systematically summarizing horizontal well fracturing technology abroad for shale oil and gas reservoirs since the “13th Five-Year Plan”, this article elaborates new horizontal well fracturing features...
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Relationships of the iC4/nC4 and iC5/nC5 ratios with maturity of coal-derived gases of Triassic Xujiahe Formation in central Sichuan Basin, SW China
June 2019
The original gas reservoirs in different areas and different layers of the Triassic Xujiahe Formation in the central Sichuan Basin are studied to reveal the relationships of iC4/nC4 and iC5/nC5 ratios...
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Application of nanotechnology in petroleum exploration and development
December 2016
Combined with the actual demand of oil and gas exploration and development, this paper summarizes the research progress and application of nanotechnology in various fields of petroleum exploration and...
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Earth energy evolution, human development and carbon neutral strategy
April 2022
Energy is the basis of human development and the impetus of society progress. There are three sources of energy: energy of celestial body outside the Earth, the Earth energy and energy of interaction...
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Comprehensive review of water shutoff methods for horizontal wells
December 2017
This paper provides a comprehensive review of the water control techniques that have been applied in horizontal wells and presents the water control methods for wells of different completion types....
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Wellbore stability analysis to determine the safe mud weight window for sandstone layers
October 2019
The wellbore stability of a vertical well through the sandstone reservoir layers of the Asmari oil-bearing formation in south-west Iran is investigated. The safe drilling-fluid density range for maintaining...
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Generation mechanism and control measures for H2S in oil wells, Liaohe Oilfield
June 2008
H2S may be generated by the reactions of sulphur-alcohol and sulfoether in the crude oil or by the sulfur-bearing minerals in the formation at high temperatures. Sulphate can also be reduced to H2S...
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Distribution and potential of global oil and gas resources
August 2018
Using conventional and unconventional oil and gas resource evaluation methods with play as a unit, this study evaluates the oil and gas geology and resource potential of conventional oil and gas resources...
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Gas condensate reservoirs: Characterization and calculation of dew-point pressure
October 2020
A large data bank of more than 700 gas-condensate samples collected from literature and experiments was established. On this basis, empirical correlations and equations of state commonly used to calculate...
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Theory, technology and prospects of conventional and unconventional natural gas
August 2018
The development of natural gas in China has entered a golden and leap-forward stage, which is a necessary bridge to clean energy. This in-depth study on the status quo, theory, technology and prospect...
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Origin and depositional characteristics of supported conglomerates
April 2020
The origin and depositional characteristics of supported conglomerates in the Mahu Sag, Junggar Basin, Xinjiang, China, are examined. Based on the terminological comparison, modern sedimentary survey...
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Trend and progress in global oil and gas exploration
August 2013
Major progress achieved in oil and gas exploration in terms of reserves, number of oil and gas fields and discovery of large oilfields were analyzed, trend and progress of global oil and gas exploration...
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Geological characteristics and resource potential of shale gas in China
December 2010
With Sichuan Basin as focus, this paper introduces the depositional environment, geochemical and reservoir characteristics, gas concentration and prospective resource potential of three different types...
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Research progress and development direction of low-temperature drilling fluid for Antarctic region
October 2022
By combing the characteristics of drilling in Antarctic region, performance requirements on drilling fluid for Antarctic low temperature conditions, and research progress of low temperature drilling...
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Enhanced oil recovery mechanisms of polymer flooding in a heterogeneous oil reservoir
February 2021
Taking reservoir rocks and fluids of the Daqing, Dagang and Changqing oilfields as research objects, the EOR mechanisms and technical approach of polymer flooding were discussed. By comparing the displacement...
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Hydraulic fracture geometry and proppant distribution in thin interbedded shale oil reservoirs
October 2022
Small-scale true triaxial sand fracturing experiments are conducted on thin interbedded shale samples made from cores of Permian Lucaogou Formation shale oil reservoir in Jimsar sag, Junggar Basin,...
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Synthetic well logs generation via Recurrent Neural Networks
August 2018
To supplement missing logging information without increasing economic cost, a machine learning method to generate synthetic well logs from the existing log data was presented, and the experimental verification...
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