Results 21 to 30 of about 745 (180)
Oil & Gas Science and Technology, 2019 The depletion of oil reservoirs and increased global oil demand have given impetus to employ various secondary and tertiary oil recovery methods. Gas injection is widely used in both secondary and tertiary modes, though the major problem associated with ...
Mahmoudvand Saba +3 more
doaj +1 more source
A Novel Method for Mitigation of Asphaltene Deposition in the Wellstring [PDF]
Iranian Journal of Chemistry & Chemical Engineering, 2010 Asphaltene precipitation and deposition is a serious problem in many Iranian fields. The deposited asphaltene results in partial or total blockage of the wellbore and wellstring reducing or completely seizing oil production.
Bahram Soltani Soulgani +3 more
doaj
Numerical Validation of Asphaltene Precipitation and Deposition during CO2 miscible flooding
Petroleum Research, 2020 Asphaltene precipitation, flocculation, and deposition can significantly reduce oil production by impacting wellbores, flowlines, and more importantly, formations’ pore space around the well.
Fahad I. Syed +3 more
doaj +1 more source
Petroleum Science, 2019 Cubic equation-of-state solid models are one of the most widely used models to predict asphaltene precipitation behavior. Thermodynamic parameters are needed to model precipitation under different pressures and temperatures and are usually obtained ...
Aktham E. Shoukry +2 more
doaj +1 more source
Recent Advances in the Utilization of Imidazolium-Based Ionic Liquids for Chemical-Enhanced Oil Recovery: A Comprehensive Review. [PDF]
Chem RecThis review highlights the recent advancements in imidazolium‐based ionic liquids for enhanced oil recovery (EOR), focusing on their ability to reduce interfacial tension, alter wettability, and stabilize emulsions. Their tunable chemistry, thermal stability, and recyclability position them as effective and sustainable alternatives to conventional EOR ...
Mousa N, Abu-Jdayil B, Zekri AY.
europepmc +2 more sources
Solving asphaltene precipitation issue in vertical wells via redesigning of production facilities
Petroleum, 2015 Precipitation of heavy hydrocarbon components such as Wax and Asphaltenes are one of the most challenging issues in oil production processes. The associated complications extend from the reservoir to refineries and petrochemical plants.
Mahdi Zeinali Hasanvand +2 more
doaj +1 more source
The Canadian Journal of Chemical Engineering, EarlyView.Mechanism of wettability alteration, interfacial tension reduction, and oil recovery by novel nanocomposite. Abstract The development of stable nanofluids (NFs) for enhanced oil recovery (EOR) relies on optimizing interactions between reservoir rocks and fluids.
Ehsan Jafarbeigi +2 more
wiley +1 more source
Youqi dizhi yu caishouluDuring the development of heavy oil reservoirs in the eastern South China Sea， asphaltene precipitation can cause blockages in reservoir throats， wellbores， and pipelines， leading to a decrease in the productivity of oil wells.
TU Yi +5 more
doaj +1 more source
The Canadian Journal of Chemical Engineering, EarlyView.Key improvements obtained by incorporating nanoparticles into a lab‐scale SAGD process configuration. The bar plots show enhanced oil recovery, reduced viscosity, and increased asphaltene adsorption in nanoparticle‐assisted scenarios compared with conventional SAGD.
Luis Prada +6 more
wiley +1 more source
Shiyou shiyan dizhiSolid-phase asphaltene precipitation and deposition, commonly occurring during reservoir development, lead to reservoir damage and production well blockage, seriously affecting crude oil exploitation and reducing economic efficiency.
Yang YANG +6 more
doaj +1 more source