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Carbon dioxide miscible flooding

  • Ali Safaei
  • , Mohammadreza Bagheri
  • , Yousef Kazemzadeh
  • , Masoud Riazi
  • Shiraz University

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

Carbon dioxide (CO2) miscible injection is one of the most efficient manners in enhanced oil recovery (EOR). In addition to improving oil recovery, this method can diminish CO2 emissions into the atmosphere. Supercritical CO2 is employed in miscible CO2-EOR for displacing oil from a depleted reservoir. The injection of CO2 improves the oil recovery through mechanisms such as dissolving, swelling, and reducing the oil viscosity. In this chapter, for a miscible CO2-EOR operation, the minimum miscibility pressure, fluid reservoir thermodynamic, fluid reservoir conditions, first-contact miscibility, and multiple-contact miscibility mechanisms are introduced. The application of CO2 injection in some shale oil reservoirs and related field experiences are also reviewed.

Original languageEnglish
Title of host publicationGas Injection Methods
Subtitle of host publicationA volume in Enhanced Oil Recovery Series
PublisherElsevier B.V.
Pages133-170
Number of pages38
ISBN (Electronic)9780128223024
ISBN (Print)9780128223031
DOIs
Publication statusPublished - Jan 1 2022

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 6 - Clean Water and Sanitation
    SDG 6 Clean Water and Sanitation
  2. SDG 9 - Industry, Innovation, and Infrastructure
    SDG 9 Industry, Innovation, and Infrastructure
  3. SDG 13 - Climate Action
    SDG 13 Climate Action
  4. SDG 17 - Partnerships for the Goals
    SDG 17 Partnerships for the Goals

Keywords

  • CO miscible injection
  • condensing gas mechanism
  • First-contact miscibility
  • minimum miscibility injection
  • multiple-contact miscibility
  • vaporizing gas mechanism

ASJC Scopus subject areas

  • General Energy

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