Helium resources accumulation regulations and their development prospects in China
October 2024
Helium is a globally scarce strategic resource that is relevant to national economies and the development of high-tech industries, and China primarily depends on imported helium for its industrial applications....
Giant discoveries of oil and gas fields in global deepwaters in the past 40 years and the prospect of exploration
February 2019
Deepwater exploration has been developed for more than 40 years since 1975; generally, its exploration history can be divided into the beginning stage (1975–1984), the early stage (1985–1995) and the...
Present status of Bangladesh gas fields and future development: A review
December 2019
Natural gas, played vital role as main energy source to the rapid development of Bangladesh, production and consumption has been increased drastically during last decades. Geological and geophysical...
The coupling action of helium and nitrogen enrichment and its significance
February 2024
Helium, a critical rare strategic resource primarily sourced from natural gas, is currently a subject of intense research regarding its enrichment processes within gas reservoirs. Investigating the...
Pore structure and fractal characteristics of coal-bearing Cretaceous Nenjiang shales from Songliao Basin, Northeast China
June 2024
Shale oil and gas resources mainly exist in the pore and fracture system. Quantitative characterization of pore development characteristics and gas-bearing properties is crucial for shale reservoir...
Geochemical characteristics of shale gas hydraulic fracturing flowback/produced water in Zheng’an block, northern Guizhou Province, China
February 2024
Guizhou Province of China is rich in shale gas resources. In recent years, important progress has been made in the exploration and development of shale gas in the Upper Ordovician Wufeng Formation-Lower...
Study on stratigraphic dip window in accumulation period based on the principle of minimum energy dissipation rate of oil and gas migration: A case study of the Upper Paleozoic tight gas reservoirs in the Ordos Basin, China
June 2024
Scholars have primarily focused on statistical analysis of exploration practices and simple physical simulation experiments when investigating the relationship between stratigraphic dip and hydrocarbon...
2021–2025 is a period of great development of China's natural gas industry: Suggestions on the exploration and development of natural gas during the 14th five-year plan in China
August 2021
Among the world's 10 major gas producing countries, only the United States (USA), Russia and Iran have annual gas production of 250 × 109 m3 or more. China is expected to have gas output of 250 × 109 m3...
Petrophysical characterization and reservoir potential of the Lower Goru sandstone: A case study from the Sinjhoro Gas Field, Pakistan
June 2025
The primary method which has been traditionally used for assessing the hydrocarbon potential of reservoir rock involves analyzing petrophysical properties via well logs. Evaluating these properties...
Technological issues in shale oil development using horizontal wells in Ordos Basin, China
December 2023
The PetroChina Changqing Oilfield Company has successfully achieved large-scale economical development of continental low-pressure freshwater lake interlayer shale oil in the Ordos Basin, China, targeting...
Sweet spots in coal bed methane (CBM): Major controlling parameters identification through reservoir modeling, simulation, and uncertainty analysis to De-risk field development
October 2025
Sweet spots refer to specific areas within a reservoir where the parameters are optimal for achieving maximum production while minimizing the required footprint and investment. The high complexity of...
An integrated study on the reservoir potential of upper Cretaceous succession of the Anambra Basin (Nigeria) using the seismic-structural, petrophysical, and sedimentological approach
June 2023
The Anambra Basin has a relatively high hydrocarbon production base compared with other Cretaceous basins in Nigeria. Structural deformation, overpressures, and faulting in the Cretaceous sequence of...
Characteristics of effective helium source rocks and releasing mechanism of helium
June 2025
Different helium source rocks exhibit varying characteristics, including differences in the content and occurrence states of precursor elements such as uranium (U) and thorium (Th). In sedimentary rocks,...
Molecular dynamics and energy distribution of methane gas adsorption in shales
February 2023
This study uses simulations to explore the energy distributions involved in the adsorption of methane gas in shales. Molecular mechanics calculations were carried out using the Forcite module in BIOVIA...
Investigating curve smoothing techniques for enhanced shale gas production data analysis
December 2024
Evaluating shale gas reservoir economic viability remains challenging due to different factors such as long transient flow period and liquid loading resulting in successful shut-ins. Such factors cause...
Method and application for ultra-deep carbonate reservoir quality evaluation: A case study of the Well X area in the Fuman Oilfield, Tarim Basin, China
August 2025
The Ordovician ultra-deep carbonate reservoirs in the Tarim Basin are rich in oil and gas resources. However, due to the influence of multiple periods of tectonic activity, their distribution shows...
Solubility models of CH4, CO2, and noble gases and their geological applications
October 2023
Solubility models for CH4, CO2, and noble gases are widely used in Earth Sciences, playing pivotal roles in the study of homogenization pressure of inclusions, paleoclimate variation, gas migration...
Application of multicomponent seismic in tight reservoir prediction of the first member of Jurassic Shaximiao Formation, Sichuan Basin, China
December 2025
As the most powerful tool for tight gas prediction and exploration in the second member of the Shaximiao Formation (Sha 2 Member) in the Sichuan Basin, the technique of bright spot fails to deliver...
Provenance study of the Xujiahe Formation in northern Sichuan Basin and its implications for the source to sink systems during the Late Triassic, China
October 2025
Numerous studies have investigated the provenance of the Upper Triassic Xujiahe Formation, but there are still controversies concerning the provenance of this formation in the northern part of the Sichuan...
Inter-well interference and well spacing optimization for shale gas reservoirs
October 2021
Design and optimization of well spacing is a key indicator for evaluating the development effect of shale gas reservoirs. On the basis of theoretical understanding, and after the verification by analogy,...
Fracture pore characterization of the first member of Maokou Formation of Middle Permian in Sichuan Basin: A case study of Da’an block, western Chongqing area, China
October 2025
The first member of the Maokou Formation of the Middle Permian (Mao 1 Member) in the Da’an Block is a key area for exploration of tight limestone gas in the Sichuan Basin. Through the identification...
Diagenetic facies of the Fengcheng Formation tight reservoir in the alkaline lake sedimentary environment, the southern margin of Mahu Sag, Junggar Basin, China
February 2025
With the aim of exploring the diagenetic characteristics, influence mechanisms, and distribution of dominant diagenetic facies in the Fengcheng Formation, at the southern margin of Mahu Sag in the Junggar...
Geological characteristics of Jurassic coal rock gas and evaluation of favorable zones in the northern structural belt of the Kuqa Depression, Tarim Basin, China
August 2025
The Kuqa Depression in the Tarim Basin has developed two sets of coal-bearing strata: the Triassic and the Jurassic. The Jurassic coals are characterized by multiple layers, large cumulative thickness,...
The pore size distribution and its relationship with shale gas capacity in organic-rich mudstone of Wufeng-Longmaxi Formations, Sichuan Basin, China
June 2016
The pore size distribution for the 23 fresh outcrop shale samples collected from Shuanghe Town and Changning County, as well as the 14 core samples collected from the Qianqian 1 core well in southeast...
Geological characteristics of biogenic gas formation and direction of favorable zones in the Quaternary mudstone of the Qaidam Basin, China
February 2025
Quaternary biogas is the main natural gas resource in the Qaidam Basin, where sandstone reservoirs have traditionally been the primary producers. However, reserve growth in these reservoirs has become...