Results 11 to 20 of about 3,613 (164)

Numerical Simulation of Gas Production and Reservoir Stability during CO₂ Exchange in Natural Gas Hydrate Reservoir

Energies, 2022
The prediction of gas productivity and reservoir stability of natural gas hydrate (NGH) reservoirs plays a vital role in the exploitation of NGH. In this study, we developed a THMC (thermal-hydrodynamic-mechanical-chemical) numerical model for the ...
Qingping Li, Shuxia Li, Shuyue Ding, Zhenyuan Yin, Lu Liu, Shuaijun Li   +5 more
doaj   +1 more source

An Experimental Investigation of Feasibility of Gas Huff and Puff for Recovering Crude Oil with Different Viscosities [PDF]

Journal of Petroleum Science and Technology, 2017
Investigating multi cyclic gas (N2 and CO2) huff and puff have been conducted by long sandpack simulations with four different crude oils from Jiangsu oilfield.
Jiang Ping, Zhang Lei, Ge Jijiang, Zhang Guicai, Yuan Yufeng, Wang Yang, Pei Haihua   +6 more
doaj   +1 more source

Numerical Study on Stratum Deformation during Dissociation Process of Methane Hydrate by Depressurization

Journal of MMIJ, 2017
Depressurization process is regarded as the most effective process for gas recovery method from the viewpoints of gas productivity and economic efficiency among in-situ dissociation processes of Methane Hydrate (MH) existing in marine sediments. However,
Masayo KAKUMOTO, Yasuhide SAKAMOTO, Kuniyuki MIYAZAKI, Norio TENMA, Kazuo AOKI, Akira TAKIGUCHI, Toshimasa ISHIBASHI, Jiro MORI   +7 more
doaj   +1 more source

Mechanism research on technical policy of liquid extraction depressurization development for buried hill reservoirs [PDF]

E3S Web of Conferences, 2021
Most of buried hill reservoirs are in the late stage of water flooding development, especially for this kind of reservoir with large water-oil volume ratio, it is more difficult to develop the residual oil in matrix system.
Guan Huajiao, Shi Xiaoying, Tao Yayuan, Chao Xianqiu, Tan Yumiao   +4 more
doaj   +1 more source

Numerical Investigation of the Transient Behavior of a Hot Gas Duct under Rapid Depressurization

Science and Technology of Nuclear Installations, 2016
A hot gas duct is an indispensable component for the nuclear-process heat applications of the Very-High-Temperature Reactor (VHTR), which has to fulfill three requirements: to withstand high temperature, high pressure, and large pressure transient.
JingBao Liu, ShengYao Jiang, Tao Ma, RiQiang Duan   +3 more
doaj   +1 more source

Multi-stage Depressurization Analysis of Subsea Production System Based on LedaFlow Software [PDF]

E3S Web of Conferences, 2021
This paper briefly summarizes that during the depressurization operation in subsea pipeline for maintenance or prevention of hydrate formation, because the flare knock-out drum pump is designed for ambient temperature, and cannot deal with the low ...
Chen Wenfeng, Ju Pengpeng, Wang Xueyuan, Wang Dong, Liu Feilong   +4 more
doaj   +1 more source

Depressurization of CO₂ Rich Mixtures: Challenges for the Safe Process Design of CCS Facilities and CO₂ EOR Systems

Chemical Engineering Transactions, 2016
The design of systems with high content of CO2 in the process mixture is of increasing importance. This is particularly true for emerging technologies such as Carbon Capture and Storage (CCS); with over twenty CCS installations worldwide (built or under ...
M. Luberti, S. Natarajan, Y. Zaccheus, A. Giovanoglou   +3 more
doaj   +1 more source

Numerical Simulation of Methane Production from Hydrates Induced by Different Depressurizing Approaches

Energies, 2012
Several studies have demonstrated that methane production from hydrate-bearing porous media by means of depressurization-induced dissociation can be a promising technique.
Yanghui Li, Mingjun Yang, Jiafei Zhao, Haifeng Liang, Yongchen Song, Xuke Ruan   +5 more
doaj   +1 more source

Evaluation of the Effects of Nano-SiO₂ Microemulsion on Decompression and Augmented Injection in the Eunan Tight Reservoir

AppliedChem, 2023
The residual oil saturation of the matrix near the well zone of a tight reservoir is high due to the tight reservoir’s complex conditions, such as the small pore throat radius and low permeability of the matrix and the development of microfractures ...
Ke Wu, Mingbiao Xu, Shoucheng Wen, Xuefeng Deng   +3 more
doaj   +1 more source

Numerical Simulation of Gas Production Behavior Using Stepwise Depressurization with a Vertical Well in the Shenhu Sea Area Hydrate Reservoir of the South China Sea

Journal of Marine Science and Engineering
Stepwise depressurization is an important depressurization strategy in the development of natural gas hydrates. This work numerically analyzes the effects of different depressurization gradients and constant pressure durations on gas and water production
Tinghui Wan, Zhanzhao Li, Hongfeng Lu, Mingming Wen, Zongheng Chen, Lieyu Tian, Qi Li, Jia Qu, Jingli Wang   +8 more
doaj   +1 more source