Chemical Enhanced Oil Recovery Fundamentals - EORC

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This course gives an overview of oil recovery processes that involve the use of polymer, surfactant, alkali, gel, and combination of them. Furthermore, it reviews reservoir engineering fundamentals and describes the principles for variety of chemical enhanced oil recovery processes. The current status of these technologies is discussed and guidelines are presented for initial screening for each process corresponding to particular field conditions. Examples of laboratory and field performances are presented. Simulation exercises are used for each process. One personal computer is provided, at additional cost, for each two participants.

Engineers, geoscientists, management personnel or other technical personnel with at least a B.S. degree with some experience in reservoir engineering. The course benefits the individuals who are responsible for the design, implementation and management of chemical EOR projects. However, the contents of this course are also beneficial for other technical personnel involved in numerical simulation studies, screening, and planning of EOR applications. This course may interest new recruits as well as experienced professionals to gain better understanding of the concepts, practices, benefits, and limitations of chemical EOR methods.

You will Learn:

Participants will learn how to:

  • Evaluate benefits and limitations of different chemical EOR processes
  • Select laboratory tests and perform scoping simulations for pilot and field designs
  • Screen these techniques for particular fields
  • Set expectations on incremental oil recoveries and the economics
  • Determine impact of these recovery techniques on production facilities and personnel training

Course Content:

Review of fundamentals

  • Areal sweep efficiency
  • Heterogeneity and vertical sweep
  • Residual oil saturation
  • Enhanced Oil Recovery (EOR) Methods
  • Chemical EOR Methods

Polymer Flooding

  • Polymers and their properties
  • Laboratory screening
  • Polymer flood field design and example field results
  • Overview of reservoir simulators for polymer flooding
  • Example simulations

Surfactant/polymer (SP) Methods

  • Surfactants
  • Surfactant-brine-oil phase behavior
  • Microemulsion properties
  • Capillary desaturation and oil mobilization
  • Laboratory screening
  • Field examples and designs
  • Reservoir simulators for SP
  • Example simulations

Alkaline/Surfactant/Polymer (ASP) Methods

  • Alkaline flooding - alkaline-surfactant/polymer
  • Effect of alkali on phase behavior
  • Laboratory screening
  • Field examples and designs
  • Reservoir simulators for ASP
  • Example simulations

Performance Control/Water Shutoff Methods

  • Overview of conformance control options (i.e. bulk gel, CDG, PPG, Bright Water)
  • Gel properties
  • Laboratory screening
  • Field examples and designs
  • Reservoir simulators for conformance control methods

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