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Topic Review
Polymer Flooding Principles and Mechanisms
Polymer flooding is an enhanced oil recovery (EOR) method used to increase oil recovery from oil reservoirs beyond primary and secondary recovery. Although it is one of the most well-established methods of EOR, there are still continuous new developments and evaluations for this method. This is mainly attributed to the diverse polymers used, expansion of this method in terms of application, and the increase in knowledge pertaining to the topic due to the increase in laboratory testing and field applications. 
  • 184
  • 26 Feb 2024
Topic Review
Polymer Biodegradation for Oilfield Applications
Polymers including guar gum and related compounds, cellulose-based gels, and acrylamide-based polymers (PAM and HPAM) are used in the petroleum industry mainly for increasing viscosity and reducing friction in the reservoirs during water flooding and hydraulic fracturing.
  • 588
  • 24 May 2022
Topic Review
Pickering Emulsion Characteristics and Measuring Techniques
Surfactant-based emulsions require high emulsifier concentrations for stability and often rely on multiple additives to address various factors, which makes the surfactant synthesis and utilization of emulsions quite challenging. Pickering emulsions, which utilize solid particles for emulsion stabilization, have emerged as a promising solution for reservoir conformance control.
  • 2.7K
  • 12 Sep 2023
Topic Review
Mineral Components on Heavy and Shale Oil Transformation
The mineral components of the reservoir system have a significant impact on the formation of hydrocarbon deposits. The composition of minerals changes with the migration of hydrocarbons during the further formation and destruction of the deposit.
  • 361
  • 14 Sep 2022
Topic Review
Microbial Enhanced Oil Recovery
Microbial enhanced oil recovery (MEOR) involves the utilization of microbes and their by-products, such as biosurfactants, biopolymers, biogenic acids, solvents, biogases, biomass, and emulsifiers, to stimulate the production of oil by mobilizing residual reserves.
  • 955
  • 16 Oct 2023
Topic Review
Methods for Enhanced Oil Recovery from Reservoirs
Development systems, placement and choice of operating mode of wells essentially depend on the geological structure of the reservoir, its volume and properties of oils. An important role in this is the construction of a geological model of the production facility. The used hydrodynamic models of development are based on physical laws, about which oil producers sometimes don’t even suspect, and the authors of the models are not always able to convey it to the real producers. 
  • 769
  • 26 Jun 2023
Topic Review
Methods for Chemico-Physical Characterization of Refineries Solid Wastes
In the delayed coker the residues of the vacuum distillation units are cracked into lighter hydrocarbons, producing coker gas oil, but also a solid carbonaceous byproduct which is called “pet-coke”. This is a highly viscous, black, sticky material, it remains liquid as long as it is transported hot, but solidifies otherwise. Its insoluble fraction in n-heptane is called asphaltene, which thus represents the heaviest fraction of crude oil.  The detailed and complete analysis of heavy petroleum fractions requires the use of many different analytical tools because of their chemical complexity and low volatility. However, the molecular weight (MW), the aromaticity and, in general, the chemical functionalities, are the key properties to determine for guiding their processing technology development. In particular, size exclusion chromatography (SEC) and mass spectrometry (MS) are the most eligible techniques for MW determination, while Raman and Fourier Transform Infrared (FTIR) spectroscopy can provide information on aromaticity and chemical functionalities, respectively.
  • 509
  • 09 Jun 2022
Topic Review
Marginal Oil Resources
The term “marginal oil resource” refers to an oil reservoir that has hydrocarbon resource preservation but cannot meet the criteria of resources under the U.S Securities and Exchange Commission (SEC) standards. When oilfields step into their late life, most of their economic petroleum reserves have been well developed, and their focuses need to be switched to their intact marginal resources.
  • 1.0K
  • 14 Mar 2022
Topic Review
Major Synthetic Fuels
A concise yet comprehensive overview of major synthetic fuels currently in production worldwide. The fuels are virtually categorised in an intelligible manner with detailed descriptions of their chemical equations, feedstocks, production processes, applications, and global market leaders.
  • 697
  • 27 Mar 2023
Topic Review
Magnetic Flux Leakage Testing Technique of Oil Pipelines
Magnetic flux leakage testing (MFL) is the most widely used nondestructive testing technology in the safety inspection of oil and gas pipelines. 
  • 215
  • 17 Nov 2023
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