Results 1 to 10 of about 5,448,991 (199)

Geochemical Characteristics of Crude Oil in Member 7 of Yanchang Formation in Yanchang Oilfield

Journal of Chemistry, 2022
Oil is an important primary energy for national production and life and national defense, and China is the key to rapid development. It is of great strategic significance to ensure the safe and efficient production of the oil industry.
Wenming Li, Zhendong Gao, Yongdong Wang, Jingyang Pu, Hanlie Cheng, Fahim Theon   +5 more
doaj   +2 more sources

Effect of CO₂-Brine-Rock Interactions on the Pore Structure of the Tight Sandstone during CO₂ Flooding: A Case Study of Chang 7 Member of the Triassic Yanchang Formation in the Ordos Basin, China. [PDF]

ACS Omega, 2023
CO2 flooding is an effective technique to enhance oil recovery from tight sandstone reservoirs. The CO2-rich fluid reacts with the in situ minerals and results in the corrosion and precipitation of minerals in the sandstone, affecting the connectivity ...
Wang W, Li X, Wei Z, Xin Y, Xiao R, Yang H, Chen X.   +6 more
europepmc   +2 more sources

Pore Structure and Fractal Characteristics of Tight Sandstones Based on Nuclear Magnetic Resonance: A Case Study in the Triassic Yanchang Formation of the Ordos Basin, China. [PDF]

ACS Omega, 2023
The characterization of the pore structure of tight sandstones is of great importance for the exploration and development of tight oil reservoirs. However, little attention has been given to the geometrical features of pores with various scales, which ...
Wang W, Wang R, Wang L, Qu Z, Ding X, Gao C, Meng W.   +6 more
europepmc   +2 more sources

Pore-throat structure, fractal characteristics and permeability prediction of tight sandstone: the Yanchang Formation, Southeast Ordos Basin. [PDF]

Sci Rep
As a typical tight reservoir and an important site for unconventional hydrocarbon accumulation, the Chang 6 member of the Yanchang Formation is characterized by complex pore structures and strong heterogeneity.
Zhang H, Guo L, Wu Z, Ma J.
europepmc   +2 more sources

Geometric Heterogeneity of Continental Shale in the Yanchang Formation, Southern Ordos Basin, China. [PDF]

Sci Rep, 2017
AbstractFavorable prospects for the exploration of shale gas have been demonstrated in the Ordos Basin, China. Outcrop and core observations indicate that there are abundant laminas in the shale strata, which exert a great influence on hydro-fracture propagation, gas storage and fluid flow.
Li L, Huang B, Tan Y, Deng X, Li Y, Zheng H.   +5 more
europepmc   +5 more sources

Pyrite Characteristics in Lacustrine Shale and Implications for Organic Matter Enrichment and Shale Oil: A Case Study from the Triassic Yanchang Formation in the Ordos Basin, NW China. [PDF]

ACS Omega
Pyrite is widely distributed in lacustrine shales and has become a research focus in unconventional oil and gas exploration. Pyrite morphology is useful for identifying different types of organic matter and assessing shale oil enrichment in organic-rich ...
Zhou Q, Liu J, Ma B, Li C, Xiao Y, Chen G, Lyu C.   +6 more
europepmc   +2 more sources

Characteristics of tight oil in Triassic Yanchang Formation, Ordos Basin

Petroleum Exploration and Development, 2013
By comprehensive study of reservoir and source rock distribution, petrology and geochemistry, the tight oil and its exploration potential was analyzed in the Triassic Yanchang Formation, Ordos Basin.
Jingli YAO, Xiuqin DENG, Yande ZHAO, Tianyou HAN, Meijuan CHU, Jinlian PANG   +5 more
doaj   +2 more sources

Geochemical Characteristics and Origins of the Crude Oil of Triassic Yanchang Formation in Southwestern Yishan Slope, Ordos Basin [PDF]

International Journal of Analytical Chemistry, 2017
Biomarker compounds that derived from early living organisms play an important role in oil and gas geochemistry and exploration since they can record the diagenetic evolution of the parent materials of crude oil and reflect the organic geochemical ...
Xiaoli Zhang, Jinxian He, Yande Zhao, Hongchen Wu, Zeqiang Ren   +4 more
doaj   +2 more sources

Characteristics and Gas-Bearing Properties of Yanchang Formation Shale Reservoirs in the Southern Ordos Basin

Geofluids, 2023
Ordos Basin is a multicycle superimposed cratonic basin in northern China with a simple internal structure and a gentle stratigraphic slope. It is characterized by extensive development, numerous oil and gas-bearing layers, and complete source-reservoir ...
Zhendong Gao, Yongdong Wang, Xiaoyu Gu, Hanlie Cheng, Nnamdi Puppe   +4 more
doaj   +2 more sources

Investigation on Pore Structures of Yanchang Formation Shale Using Micro X-ray Microscopy

Yankuang ceshi, 2020
BACKGROUND Shale pore structure is the key to determine reservoir storage and migration capacity. It is of great significance for improving the productivity assessment of continental shale gas in China, and fracturing technology.
WANG Yu, WANG Li-hua, WANG Jian-qiang, WANG Yan-fei   +3 more
doaj   +2 more sources