Results 21 to 30 of about 1,691,024 (288)

Overall optimization of coal-to-oil supply chain

You-qi chuyun, 2020
With the continuous enhancement of people's environmental awareness and policy requirements as well as the increasing demand for oil, vigorously developing coal-to-oil technology is of strategic importance to ensure the energy security, adjust and ...
Rui QIU, Yongtu LIANG, Zhigang DUAN, Kaiqi WANG, Xingyuan ZHOU, Yueyue FENG, Haoran ZHANG   +6 more
doaj   +1 more source

Numerical Simulation on Flow Field of Oilfield Three-Phase Separator

Journal of Applied Mathematics, 2013
The conventional measurement method can no longer guarantee the accuracy requirement after the oilfield development entering high water cut stage, due to the water content and gas phase in the flow.
Yong-tu Liang, Sheng-qiu Zhao, Xia-xue Jiang, Xian-qi Jia, Wang Li   +4 more
doaj   +1 more source

Research progress of properties of wax deposit in waxy crude oil pipeline

You-qi chuyun, 2021
Wax deposition is the most serious problem influencing the flow of waxy crude oil in pipelines. Thus, study on the properties of wax deposit is of great significance to ensure the safe operation of crude oil pipeline.
Xuedong GAO, Cong WANG, Xun ZHANG, Yu ZHANG, Qiyu HUANG, Qi WANG   +5 more
doaj   +1 more source

Hydraulic Transients Induced by Pigging Operation in Pipeline with a Long Slope

Journal of Applied Mathematics, 2013
Pigging in pipelines basically performs operations for five reasons including cleaning the pipe interior, batching or separating dissimilar products, displacement, measurement, and internal inspection. A model has been proposed for the dynamic simulation
Tao Deng, Jing Gong, Haihao Wu, Yu Zhang, Siqi Zhang, Qi Lin, Huishu Liu   +6 more
doaj   +1 more source

A Reliability Assessment of the Hydrostatic Test of Pipeline with 0.8 Design Factor in the West–East China Natural Gas Pipeline III

Energies, 2018
The use of 0.8 design factor in Chinese pipeline industry is a breakthrough with the success of the test pipe section in the west–east China gas pipeline III. For such a design factor, the traditional P-V (Pressure-Volume) curve based pressure test
Kai Wen, Lei He, Weichao Yu, Jing Gong
doaj   +1 more source

A Stochastic Linear Programming Method for the Reliable Oil Products Supply Chain System With Hub Disruption

IEEE Access, 2019
This paper focuses on a reliable design of oil products supply chain system, which is conductive to promote the sales of oil products. A multi-scenario MILP (Mixed Integer Linear Programming) model coupled with Monte Carlo sampling is employed for ...
Wan Zhang, Zhengbing Li, Qi Liao, Haoran Zhang, Bohong Wang, Shuzhe Huang, Ning Xu, Yongtu Liang   +7 more
doaj   +1 more source

Stress Calculation Method Designed of Pipeline in Landslide Section Based on SBAS-Insar and Finite Element Method [PDF]

E3S Web of Conferences, 2023
The permanent ground displacement of geological disasters is the main reason inducing large additional axial stress of pipelines. This paper presents a surface displacement measurement method above the pipeline based on SBAS-InSAR remote sensing ...
Shi Ning, Zhang Hong, Hu Huilin, Sun Penglei, Yu Jiaying   +4 more
doaj   +1 more source

Comparing carbon sequestration in an oil reservoir to sequestration in a brine formation-field study [PDF]

, 2008
Geologic sequestration of CO2 in an oil reservoir is generally considered a different class than sequestration in formations which contain only brine. In this paper, the significance and validity of this conceptualization is examined by comparing the ...
Choi, Jong-Won, Hongliu, Zeng, Hovorka, Susan D., Kordi, Masoumeh, Meckel, Timothy A., Treviño, Ramón H., Wang, Fred P.   +6 more
core   +1 more source

Study on computational efficiency of composite schemes for convection-diffusion equations using single-grid and multigrid methods

Journal of Thermal Science and Technology, 2015
The computational efficiency of different composite schemes for the convection terms of the convection-diffusion equations is systematically studied in this paper.
Jingfa LI, Bo YU, Yi WANG, Yawen TANG, Huijie WANG   +4 more
doaj   +1 more source

Progress of research on leakage rate model of gas pipeline

You-qi chuyun, 2020
Leakage amount is an important basis for consequence assessment of gas pipeline leakage accident.Once the pipeline leakage accident occurs, the negative pressure wave will be transmitted from the leakage place to the upstream and downstream of the ...
Jianfei SUN, Yansong LI, Yongtu LIANG
doaj   +1 more source