Results 11 to 20 of about 19,163 (249)

Experimental Study on Migration Characteristics and Profile Control Performance of Gel Foam in Fractured-Vuggy Reservoir [PDF]

open access: yesGels
Gel foam exhibits excellent applicability in fractured-vuggy reservoirs, effectively plugging flow channels and enhancing oil recovery. However, due to the harsh high-temperature environment and the complex and variable fracture-vuggy structure in ...
Yan Xin   +5 more
doaj   +2 more sources

Water-Gas Imbibition Relative Permeability: Literature Review, Direct versus Indirect Methods and Experimental Recommendations [PDF]

open access: yesE3S Web of Conferences, 2023
When an active aquifer encroaches into a gas bearing reservoir or when an oil rim sweeps gas during late depletion of the gas cap, gas displacement by liquid is important for estimating the gas recovery.
Pairoys Fabrice, Caubit Cyril
doaj   +1 more source

Numerical Simulation and Experimental Study on Liquid Holding Capacity of Eeddy Current Tools [PDF]

open access: yesE3S Web of Conferences, 2021
In view of the problems existing in the field application of eddy current tools, the research on eddy current tools drainage gas recovery was carried out.Based on Fluent software and ground experiments, the optimal structure size of the eddy current ...
Du Xiaolei, Tian Jihong, Yao Fengsheng
doaj   +1 more source

Evaluation and improvement of CO2 assisted gravity drainage for enhanced oil production in China

open access: yesEnergy Reports, 2023
In view of the diversity of petroleum reservoir types, most petroleum reservoirs have very strong heterogeneity in properties. For many water flooding reservoirs, with the continuous water injection process, the effect of enhancing oil recovery begins to
Wenkuan Zheng   +6 more
doaj   +1 more source

Quantitative Evaluation of Imbibition Damage Characteristics of Foaming Agent Solutions in Shale Reservoir

open access: yesEnergies, 2022
Shale reservoirs are characterized by extremely low porosity and permeability, poor connectivity, and high content of clay minerals. This leads to the reservoir being vulnerable to imbibition damage caused by foaming agent solutions during foam drainage ...
Liangbin Dou   +6 more
doaj   +1 more source

Experimental Characterization of Oil/Gas Interface Self-Adjustment in CO2-Assisted Gravity Drainage for Reverse Rhythm Reservoir

open access: yesEnergies, 2022
Worldwide practices have proven that gas-assisted gravity drainage can obviously enhance oil recovery, and this technology can be especially effective for reservoirs with a thick formation and large inclination angle. For the successful implementation of
Haishui Han   +7 more
doaj   +1 more source

About trends of improvement of technological schemes for methane recovery from the rock-coal massif [PDF]

open access: yesE3S Web of Conferences, 2019
Purpose of the research was to improve efficiency of underground gas drainage from the rock-coal massif. It is substantiated that most promising solution of the problem of increasing efficiency of gas drainage from the massif is to mine additional gas ...
Kurnosov Serhii, Zerkal Volodymyr
doaj   +1 more source

Analysis of Influence Mechanism of Interference Mode Between Drainage Wells on CBM Extraction Based on LBM Method

open access: yesMeikuang Anquan, 2020
It is of great significance to find out the mutual interference mechanism between CBM drainage wells to rationally arrange well networks and improve CBM recovery.
ZHENG Junling, JIN Yi, LI Weina, LIU Xiaokun, WANG Cheng
doaj   +1 more source

Research on the Application of Double-Tube Gas Lift Drainage Recovery in Coalbed Methane Wells: A Case Study of the Hancheng Block, China

open access: yesLithosphere, 2022
The key point in coalbed methane (CBM) wells is to pump out the confined water to produce gas. Traditional drainage coalbed methane recovery methods have different limitations and characteristics. A new drainage gas recovery method called double-tube gas
Chen Li   +4 more
doaj   +1 more source

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