Development characteristics and main control factors of deep clastic reservoirs of the Xiaganchaigou Formation in the northern marin of the Qaidam Basin, China
Available online 5 September 2022
The deep strata of the northern margin of the Qaidam Basin are currently unexplored and have high resource potential. To clarify the characteristics and control factors of the deep sandstone reservoir...
Share article
Accumulation characteristics and exploration prospects of the 4th member of Leikoupo Formation in the western Sichuan Basin, China
Available online 31 August 2022
The Leikoupo Formation of the Middle Triassic is one of the hot strata of marine natural gas exploration in the western Sichuan Basin in recent years. Petroleum geologists have different opinions on...
Share article
Analysis on distribution and main controlling factors of OM carbonization in marine shale in the Sichuan Basin of China and its periphery
Available online 28 August 2022
The distribution and main controlling factors of the organic matter carbonization points/zones of over-mature marine shale are important issues for shale gas exploration. This paper focuses on the Lower...
Share article
Origin and accumulation models of ultra-low permeability-tight sandstone (gravel) gas in Bohai Bay Basin, China
Available online 25 August 2022
Ultra-low permeability–tight sandstone (gravel) gas reservoir is an important exploration target for natural gas both domestically and internationally. As a crucial oil and gas exploration basin in...
Share article
Sequence architecture, slope-break development and geological significance during the P–T transition in the Mahu Sag, Junggar Basin, China
Available online 25 August 2022
During the P–T transition period (from the Late Permian to the Early Triassic), the Mahu Sag of the Junggar Basin transitioned from a foreland basin to a large depression lake basin, with the development...
Share article
Genesis of H2S in Jurassic associated gas in Pengyang area, Ordos Basin, NW China
June 2022
The Jurassic Yan'an Formation (J1y) crude oil-associated gas in the Pengyang area of the Ordos Basin contains a certain amount of H2S. The study of its genesis is important for us to predict the distribution...
Share article
Micro-pore structure and fractal characteristics of deep shale from Wufeng Formation to Longmaxi Formation in Jingmen exploration area, Hubei Province, China
June 2022
To explore the pore structure and fractal characteristics of shale reservoirs in the Jingmen exploration area and quantitatively evaluate the heterogeneity and complexity of pores, taking Wufeng-Longmaxi...
Share article
Exploration field analysis and zone optimization of sinian, Tarim Basin, China
June 2022
Carbonate rock from the Late Proterozoic to the Early Paleozoic is an important field of oil and gas exploration. The Sinian carbonate rock series in Tarim Basin are old, deep buried, with few drilling...
Share article
Characteristics and controlling factors of transitional shale gas reservoirs: An example from Permian Shanxi Formation, Daning-Jixian block, Ordos Basin, China
June 2022
The shales in the 2nd Member of Permian Shanxi Formation (Shan2 Member) at the Daning-Jixian block at the eastern margin of the Ordos Basin were deposited in a marine–continental transitional environment....
Share article
Characteristics, formation mechanism and influence on physical properties of carbonate minerals in shale reservoirs of Wufeng-Longmaxi formations, Sichuan Basin, China
June 2022
The characteristics, formation mechanisms, and influences on physical properties of carbonate minerals in shale reservoirs of Wufeng-Longmaxi formations in Sichuan Basin are systematically investigated...
Share article
Adsorption characteristics and controlling factors of marine deep shale gas in southern Sichuan Basin, China
April 2022
Deep shale gas (3500–4500 m) is the important replacement field of shale gas production growth in the future China. The research on key parameters of deep shale-gas reservoir is critical to determine...
Share article
Effects and practical applications of present-day in-situ stress on reservoir quality in ultra-deep layers of Kuqa Depression, Tarim Basin, China
April 2022
There is a significant relationship between in-situ stress and reservoir quality, to reinvent the theoretical understanding and technical methods of reservoir evaluation from the perspective of in-situ...
Share article
Effective reservoir development model of tight sandstone gas in Shanxi Formation of Yan'an Gas Field, Ordos Basin, China
April 2022
Through a large number of rock thin section microscopic observations, scanning electron microscopy analysis, and fluid inclusion homogenization temperature measurement, the lithological composition...
Share article
Hydrocarbon generation kinetics and in-situ conversion temperature conditions of Chang 7 Member shale in the Ordos Basin, China
April 2022
In-situ conversion technology has been more popular lately as an effective way to realize the industrial development of extensive medium- and low-mature shale oil/oil shale resources in China. The Ordos...
Share article
Organic geochemical characteristics of sediments in the natural gas hydrate geo-system in Shenhu area, South China Sea
April 2022
The Shenhu area of the South China Sea is one of the leading areas for natural gas hydrate investigation and exploitation in China. In this study, total organic carbon (TOC) content, total nitrogen...
Share article
The occurrence of tight oil in the Chang 8 lacustrine sandstone of the Huaqing area, Ordos Basin, China: Insights into the content of adsorbed oil and its controlling factors
February 2022
Tight oil is a great potential resource for unconventional oil exploration and development. Determining the content of adsorbed tight oil in sandstone reservoirs and the factors controlling its content...
Share article
Isotopic geochemical characteristics and identification indexes of shale gas hydraulic fracturing flowback/produced water
February 2022
China is rich in shale gas resources, which are mainly distributed in densely populated southern marine carbonate areas. The geological and surface conditions are complex, the ecological environment...
Share article
Microfracture development at Ziliujing lacustrine shale reservoir and its significance for shale-gas enrichment at Fuling in eastern Sichuan Basin, China
February 2022
Microfractures at the Ziliujing lacustrine shale at Fuling in eastern Sichuan Basin were investigated through core observation, SEM image observation and high-pressure mercury injection. and quantifies...
Share article
Some issues and thoughts on the study of pure shale-type shale oil in the 7th Member of Yanchang Formation in Ordos Basin, China
February 2022
The 7th Member of the Yanchang Formation (Chang 7 Member) in the Ordos Basin contains rich shale oil resources in which the exploration and development of the Chang 7 Member sandstone interbedded shale...
Share article
Study on temperature distribution prediction of horizontal wells during fracturing treatment
February 2022
In recent years, fiber-optic distributed temperature sensors (DTS) have been widely used for the dynamic monitoring of horizontal well during fracturing treatments. It is proposed to address the frequent...
Share article
Geochemical characteristics and resource potential of shale gas in Sichuan Basin, China
December 2021
Shale gas is a green, low-carbon and clean unconventional natural gas energy. China is rich in shale gas resources. Accelerating shale gas exploration and development is of great practical significance...
Share article
Seismic prediction of oolitic beach thin-bed reservoir based on favorable facies belt constraints: Taking the second member of Feixianguan Formation in Jiulongshan area, Northwest Sichuan, China
December 2021
The second member of Triassic Feixianguan Formation in Jiulongshan area of northwestern Sichuan Basin has made breakthroughs in natural gas exploration and has great exploration potential. Drilling...
Share article
Hydrocarbon generation and expulsion quantification and contribution of multiple source rocks to hydrocarbon accumulation in Yanchang Formation, Ordos Basin, China
December 2021
There are several sets of source rocks in the Yanchang Formation of Mesozoic in the Ordos Basin. At present, Chang 7 source rock is considered to be the main source rock of the Yanchang Formation, although...
Share article
Characteristics and environmental significance of concretions in the Lower Cambrian Qiongzhusi Formation in the Middle–Upper Yangtze region, China
December 2021
Based on the outcrop and drilling data of the Sichuan Basin and its periphery, this paper reveals the concretion development characteristics of the Lower Cambrian Qiongzhusi Formation and its significance...
Share article
Characteristics of rock types and exploration significance of the shale strata in the Chang 73 sub-member of Yanchang Formation, Ordos Basin, China
December 2021
For a long time, the Chang 73 sub-member of the Ordos Basin was mostly investigated as a single source rock, with hardly any investigation into the characteristics of various rock types or the integration...
Share article
