Energy revolution: From a fossil energy era to a new energy era
January 2016
This paper aims to predict the future situation of global energy development. In view of this, we reviewed the history of energy use and understood that new energy sources will usher in a new era following...
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Review of CO2 sequestration mechanism in saline aquifers
August 2022
The concentration of CO2 in the global atmosphere, which is increasingly annually with continued industrial development, affects both the global climate and the ecological environment. To control the...
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Deep and ultra-deep oil and gas well drilling technologies: Progress and prospect
April 2022
In the period of “13th Five-Year Plan”, domestic deep and ultra-deep oil/gas well drilling technologies were developed quickly and a great number of technological achievements were obtained by means...
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Industrial status, technological progress, challenges, and prospects of hydrogen energy
October 2022
Under the requirements of China's strategic goal of "carbon peaking and carbon neutrality", as a renewable, clean and efficient secondary energy source, hydrogen benefits from abundant resources, a...
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Intelligent safe operation and maintenance of oil and gas production systems: Connotations and key technologies
June 2023
Oil and gas production systems have the characteristics of high operation and maintenance risk and great accident influence. With the deep integration of informationization and industrialization, the...
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Formula calculation methods of water content in sweet natural gas and their adaptability analysis
December 2014
Estimation of water content is the foundation of natural gas processing and designing, and a formula calculation method provides a solution simple and easy to be programmed by computers. In this regard,...
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Numerical simulation of oil and gas pipeline corrosion based on single- or coupled-factor modeling: A critical review
October 2023
Numerical simulation is an effective research approach to assess the condition and predict the remaining service life of process pipelines suffering corrosion hazards. This work comprises a critical...
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Connotation, innovation and vision of “carbon neutrality”
October 2021
Global climate change caused by geological processes is one of the main causes of the 5 global mass extinctions in geological history. Human industrialization activities have caused serious damage to...
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China's hydrogen development strategy in the context of double carbon targets
December 2022
As a clean, low-carbon, efficient and renewable energy source, hydrogen has gradually become an important energy carrier to combat climate change and achieve sustainable development in the world. China...
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Evolution laws and new trends of global LNG pricing and their implications
October 2021
Natural gas is of great significance to ensuring China's energy security and achieving “carbon neutrality” by 2060. However, the lack of power to decide LNG import pricing and the high resource cost...
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Gas sweetening simulation and its optimization by two typical amine solutions: An industrial case study in Persian Gulf region
June 2021
The selective removal of acid gases using amine-based solutions is a significant process in the petroleum and natural gas industries. This work investigates the effectiveness of two common chemical...
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Typical misinterpretations and scientific concepts in well-logging geologic studies
April 2023
The method and theoretical system of well logging geology have been widely used in the fields of basic geology, petroleum geology and engineering geology, but the different response sensitivity of different...
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Research progress in natural gas hydrate reservoir stimulation
April 2023
Natural gas hydrate (hereinafter referred to as hydrate) is a kind of future energy with great potential. At present, the apparent factor hindering commercial hydrate development is the unqualified...
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Principles of and tips for nitrogen displacement in gas pipeline commissioning
March–May 2015
Since the West-to-East Pipeline I was put into production, operators have made many attempts and accumulated valuable experiences in gas pipeline commissioning. However, there are still some problems....
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Research status and development trend of key technologies for enhanced geothermal systems
April 2023
Enhanced geothermal system (EGS) is a primary method to develop geothermal resources stored in hot dry rock (HDR), but it faces several key problems, such as unreasonable hydraulic fracture networks...
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Deep shale gas exploration and development in the southern Sichuan Basin: New progress and challenges
February 2023
There are abundant marine shale gas resources in the Sichuan Basin. After almost one decade of exploration and development, three national shale gas demonstration areas have been built in the Sichuan...
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Ten years of gas shale fracturing in China: Review and prospect
April 2022
The first fractured shale gas well of China was constructed in 2010. After 10 years of development, China has become the second country that possesses the core technology of shale gas development around...
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Fracturing fluid imbibition impact on gas-water two phase flow in shale fracture-matrix system
August 2023
A large amount of fracturing fluid in hydraulic fracturing is imbibed into the shale fracture/matrix, which leads to significant uncertainty in gas recovery evaluation. The mechanism of imbibition impact...
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Enhanced gas recovery: Theory, technology, and prospects
August 2023
Research on the enhanced gas recovery (EGR) technology is urgently needed in most of China's major gas fields due to low recovery in their late development stages. To promote progress in ERG theory...
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Key technologies for salt-cavern underground gas storage construction and evaluation and their application
December 2018
Salt-cavern underground gas storage is technically faced with non-uniform distribution of stratified salt rocks, complex solution mining mechanism, difficult control of solution mining process, less...
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Progress and prospect of CNOOC's oil and gas well drilling and completion technologies
April 2022
Offshore oil and gas production has become an important growth pole to ensure national energy security. However, China's offshore oil and gas production is lack of key core technologies and weak in...
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Coal bed methane gas in-place estimation for the North-Western region of Zimbabwe
February 2023
Coal Bed Methane (CBM) is natural gas occurring in coal seams. It can be used for domestic (heating and cooking) and industrial purposes, electricity generation, transportation (as compressed natural...
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Review on the development of China's natural gas industry in the background of “carbon neutrality"
April 2022
At the 75th UN General Assembly, the Chinese government declared to strive to reach peak carbon dioxide emission by 2030 and achieve “carbon neutrality” by 2060. The establishment of this goal not only...
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Technologies in deep and ultra-deep well drilling: Present status, challenges and future trend in the 13th Five-Year Plan period (2016–2020)
September 2017
During the 12th Five-Year Plan period (2011–2015), CNPC independently developed a series of new drilling equipment, tools and chemical materials for deep and ultra-deep wells, including six packages...
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Thoughts on the development of CO2-EGR under the background of carbon peak and carbon neutrality
August 2023
In September 2020, the Chinese government proposed the goals to reach carbon dioxide emissions peak by 2030 and achieve carbon neutrality by 2060 (“two-carbon goals”). This brings opportunities to the...
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