Results 21 to 30 of about 7,737 (202)

Analytical Model of Wellbore Stability Analysis of Inclined Well Based on the Advantageous Synergy among the Five Strength Criteria

Geofluids, 2023
The proper drilling mud density is vital for wellbore stability maintenance, which relies on both stress distribution on the borehole wall and rock strength.
Yufan Shi, Tianshou Ma, Dongyang Zhang, Yingjie Chen, Yang Liu, Changsong Deng   +5 more
doaj   +1 more source

Migration and accumulation mechanisms and main controlling factors of tight oil enrichment in a continental lake basin

Petroleum Exploration and Development, 2023
Based on the typical dissection of various onshore tight oil fields in China, the tight oil migration and accumulation mechanism and enrichment-controlling factors in continental lake basins are analyzed through nuclear magnetic resonance (NMR ...
Suyun HU, Shizhen TAO, Min WANG, Zhenglian PANG, Bin BAI, Yanyan CHEN, Shuangfang LU, Yue CHEN, Yiqing YANG, Xu JIN, Jinhua JIA, Jian WANG, Tianshu ZHANG, Senhu LIN, Yinye WU   +14 more
doaj   +1 more source

Preparation of organic polymer flocculant and its application in drilling fluid [PDF]

E3S Web of Conferences, 2021
A flocculant (DES0-0) was synthesized by epichlorohydrin and diethylamine, followed by adding crosslinking agent such as ethylenediamine, diethylenetriamine and triethylenetriamine to obtain the crosslinked polymer DES0-1, DES0-2, DES0-3.
Shi Ya, Ji Wenyu, Jia Xiwen, Qu Le, Zhang Jie, Zhou Rui, Gang Chen, Li Yongfei   +7 more
doaj   +1 more source

Limits and grading evaluation criteria of tight oil reservoirs in typical continental basins of China

Petroleum Exploration and Development, 2021
Based on the microscopic pore-throat characterization of typical continental tight reservoirs in China, such as sandstone of Cretaceous Qingshankou and Quantou formations in Songliao Basin, NE China sandy conglomerate of Baikouquan Formation in Mahu area
Nengwu ZHOU, Shuangfang LU, Min WANG, Wenbiao HUANG, Dianshi XIAO, Chenxue JIAO, Jingming WANG, Weichao TIAN, Lei ZHOU, Fangwen CHEN, Wei LIU, Zhixuan WANG   +11 more
doaj   +1 more source

Measurement of the coordination effect of polyphenols used in oil field by colorimetric method [PDF]

E3S Web of Conferences, 2021
Polyphenols are widely used in drilling fluid, cement slurry and water treatment in oil fields. The paper is based on the characteristics of the abundant phenolic hydroxyl groups in plant polyphenol compounds that can form stable complexes with iron ions,
Tian Wen, Liu Huanyu, Han Xiaoyu, Zhou Rui, Qu Le, Zhang Jie, Dong Sanbao   +6 more
doaj   +1 more source

Reservoir Forming Dynamics of Differential Accumulation of Tight Oil in the Yanchang Formation Chang 8 Member in the Longdong Area, Ordos Basin, Central China

Frontiers in Earth Science, 2022
Tight oil is usually accumulated near source rocks after short-distance migration. For the Chang 8 member tight oil reservoir in the Longdong area of the Ordos Basin, however, the tight oil accumulation does not completely follow the source control ...
Jingru Yang, Xianyang Liu, Wanglin Xu
doaj   +1 more source

Research on a new combination method of production decline analysis for tight oil: Cases study of Mahu tight reservoir

, 2021
In the tight reservoir like mahu with strong heterogeneity, large differences in the productivity of oil wells and obvious differences in the decline characteristics, the production decline analysis and prediction have important guiding significance to ...
WEI Mingqiang, DUAN Yonggang, SHENG Shuyao, ZHANG Xuyang, LIU Wenfeng, WANG Kang   +5 more
core   +1 more source

Study on Pressure Propagation in Tight Oil Reservoirs with Stimulated Reservoir Volume Development [PDF]

ACS Omega, 2021
The stimulated reservoir volume fracturing development in tight oil reservoirs is characterized by multiscale flow of the reservoir matrix, fracture network, and hydraulic fracture. Therefore, the flow field structure is extremely complex. Multiscale flow characteristics have been revealed through the systematical experiments including the threshold ...
Weiyao Zhu, Yunfeng Liu, Zhongxing Li, Ming Yue, Debin Kong   +4 more
openaire   +3 more sources

Research of Seepage Flow Law of Tight Oil Reservoir in North Songliao Basin [PDF]

, 2015
Tight oil resources in north Songliao basin is rich and abundant, which is the most important energy sources foundation of Stable and raising oil production in Daqing oilfield.
HU, Chaoyang, SHI, Xiaodong, AI, Chi, ZHAN, Jianfei, XIAO, Qianhua   +4 more
core   +1 more source

Characteristics of Tight Oil Reservoir Based on Nano-CT

, 2022
Besides biotechnology, nano-CT, the ideal technology, can also be used to observe three-dimensional nanostructures in intact cells as part of research into the characteristics of tight oil characteristics. There are few applications in the process and it
Wenke Li, Guang Fu, Zhe Liu, Wei Wang, Jiajing Li   +4 more
core   +1 more source