Results 21 to 30 of about 165,239 (231)

Investigation of Shut-In Effect on Production Performance in Shale Oil Reservoirs With Key Mechanisms

Frontiers in Earth Science, 2022
With the continuous development of the petroleum resources, unconventional oil reservoirs such as shale oil and tight oil have gradually become a main development direction of oil reservoirs in various countries.
Pin Jia, Pin Jia, Xianzhe Ke, Xianzhe Ke, Langyu Niu, Langyu Niu, Yang Li, Yang Li, Linsong Cheng, Linsong Cheng   +9 more
doaj   +1 more source

Regional evaluation method of ground stress in shale oil reservoirs-taking the Triassic Yanchang formation in northern Shaanxi area as an example

Geomechanics and Geophysics for Geo-Energy and Geo-Resources, 2023
Estimating in-situ stress in shale oil reservoirs is critical for predicting hydraulic fracture height. However, the varied longitudinal lithology and transverse isotropy challenge the regional evaluation of ground stress.
Bing Hou, Yizhao Wang, Yu Zhang, Yuan You   +3 more
semanticscholar   +1 more source

Molecular dynamics simulation of surfactant induced wettability alteration of shale reservoirs

Frontiers in Energy Research, 2023
Shale oil has recently received considerable attention as a promising energy source due to its substantial reserves. However, the recovery of shale oil presents numerous challenges due to the low-porosity and low-permeability characteristics of shale ...
Debin Kong, Debin Kong, Xianglong Meng, Xianglong Meng, Jiadan Zhu, Wenning Zhou   +5 more
doaj   +1 more source

Investigation of the confinement effect on fluid-phase behavior in shale oil reservoirs during CO2 injection process

Journal of Petroleum Exploration and Production Technology, 2023
Due to the confinement effect of nanopores, the fluid-phase behavior of shale oil reservoirs is much different from that of conventional reservoirs. The accurate description of the phase change characteristics of fluid in nanopores is the basis to design
X. Dou, Yisong Zhang, Jing Guo, Kun Qian
semanticscholar   +1 more source

Study on stress sensitivity of bedding fractures and sand-filled fractures in shale oil reservoirs [PDF]

E3S Web of Conferences, 2023
Shale oil reservoirs are characterized by low porosity and ultra-low permeability, and hydraulic fracturing technology is needed to realize industrial oil flow.
Li Haojia, Liu Chenwei, Yan Silin, Lv Sen   +3 more
doaj   +1 more source

Microscopic production characteristics of crude oil in nano-pores of shale oil reservoirs during CO2 huff and puff

Petroleum Exploration and Development, 2022
The parameters such as pore size distribution, specific surface area and pore volume of shale rock samples are analyzed by low-temperature nitrogen adsorption experiment, and then the conversion coefficient between relaxation time (T2) and pore size is ...
Xing Huang, Xiang Li, Yi Zhang, Tiantai Li, Rongjun Zhang   +4 more
semanticscholar   +1 more source

Total Scanning Fluorescence Characteristics and Implications of Shale Oil in the Lucaogou Formation, Jimsar Sag, Junggar Basin, NW China

Frontiers in Earth Science, 2021
The Lucaogou Formation in the Jimsar Sag is a typical lacustrine shale oil development area where the first large-scale shale oil field in China was discovered, and a large number of studies have been conducted on the genesis and distribution of the ...
Zhongying Zhao, Lianhua Hou, Xia Luo, Feifei Sun, Senhu Lin, Lijun Zhang   +5 more
doaj   +1 more source

Multi-Scale Natural Fracture Prediction in Continental Shale Oil Reservoirs: A Case Study of the Fengcheng Formation in the Mahu Sag, Junggar Basin, China

Frontiers in Earth Science, 2022
Natural fractures in continental shale oil reservoirs of the Fengcheng Formation in the Mahu Sag show multi-scale characteristics, which leads to complex seismic responses and difficult identification.
Xiaojun Wang, Zhijun Jin, Gang Chen, Miao-Hsiang Peng, Liliang Huang, Zhenlin Wang, Lianbo Zeng, Guoqing Lu, Xiaoyu Du, Guoping Liu   +9 more
semanticscholar   +1 more source

Numerical Modeling of Shale Oil Considering the Influence of Micro- and Nanoscale Pore Structures

Energies, 2023
A shale reservoir is a complex system with lots of nanoscale pore throat structures and variable permeability. Even though shale reservoirs contain both organic and inorganic matter, the slip effect and phase behavior complicate the two-phase flow ...
Qiquan Ran, Xin Zhou, Dianxing Ren, Jiaxin Dong, Mengya Xu, Ruibo Li   +5 more
doaj   +1 more source

CO2 Mass Transfer and Oil Replacement Capacity in Fractured Shale Oil Reservoirs: From Laboratory to Field

Frontiers in Earth Science, 2022
CO2-based fracturing is widely introduced to stimulate shale oil reservoirs for its multiple advantages. However, the range of CO2 entering the matrix around fractures and CO2-oil replacement capacity between matrix and fractures cannot be fully ...
Runwei Qiao, Fengxia Li, Shicheng Zhang, Haibo Wang, Fei Wang, T. Zhou   +5 more
semanticscholar   +1 more source