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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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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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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Research progress on corrosion and hydrogen embrittlement in hydrogen–natural gas pipeline transportation
December 2023
Hydrogen, clean, efficient and zero-carbon, is seen as a most promising energy source. The use of existing gas pipelines for hydrogen–natural gas transportation is considered to be an effective way...
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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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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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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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An optimized calculation method of critical erosion flow rates of UGS injection/production wells
June 2020
Critical erosion flow rate is the key factor restricting the injection/production capacity of an injection/production well. At present, it is commonly calculated according to API RP 14E standard and...
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Hydrocarbon accumulation process and reservoir-forming models of structure A in the central inversion tectonic belt of the Xihu Depression, East China Sea Basin
August 2024
The Huagang Formation of the central inverted structural tectonic belt structure A in the Xihu Depression has abundant hydrocarbon resources. This is an important area for exploration and development...
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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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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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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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HSS anions reduction combined with the analytical test of aqueous MDEA in South Pars gas complex
June 2022
Heat stable salts (HSS) form in amine systems as a result of the reaction products of the amine and acidic compounds stronger than H2S and CO2 in the inlet stream to the gas treating unit (GTU). These...
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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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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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The response characteristics and damage effects of large LNG storage tanks subject to the coupled effects of explosion shock waves and fire
June 2024
As the demand and import of liquefied natural gas (LNG) increase, large LNG receiving stations are being constructed. LNG leakage can lead to fire or explosion accidents. The simultaneous occurrence...
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Floating storage and regasification units face specific LNG rollover challenges: Consideration of saturated vapor pressure provides insight and mitigation options
July 2018
Floating Storage and Regasification Units (FSRU) form a rapidly expanding sector of LNG business. In many cases, FSRU now provide a more cost-effective and very flexible way to deliver natural gas to...
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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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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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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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Experimental study and thermodynamic modeling of CO2+CH4 gas mixture hydrate phase equilibria for gas separation efficiency
August 2024
Gas separation is a critical application of gas hydrates, and accurately predicting separation performance is crucial. In this study, we used thermodynamic calculations to predict the equilibrium phase...
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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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Optimization of Jiyang depression block X shale condensate reservoir well spacing based on geology–engineering integration
August 2024
Appropriate well spacing is crucial for the efficient development of shale reservoirs, as it is closely related to the degree of resource utilization. Well spacing design is influenced by both fracturing...
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Investigation on thermal property parameters characteristics of rocks and its influence factors
June 2020
In this paper, the thermal property parameters of rocks from different lithology were studied with the cores from the different formation in Sichuan Basin and Tarim Basin as the research objects. The...
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