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EOR Polymer Flooding - Lessons learnt from Field Applications (PRO15)

  • 2-6 October 20175 daysVienna, AustriaCourse Fee: 3250 EUR + VAT

Description

Polymer flooding has been recognised as an effective Enhanced Oil Recovery (EOR) method for many years. This course is focused on the realisation of a polymer field project and will discuss different failures and successful field projects worldwide in detail.
The course covers a review of the basic principles of polymer flooding, description of water soluble polymers, screening procedures and other lab tests for product quality, retention/adsorption control and polymer selection. Other features include microbial and oxygen impact on field applications as well as mixing with produced water, injection control and surveillance guidelines for the whole project. Several international field projects including their current status will also be highlighted.

Course Level: Advanced
Instructor: Wolfram Kleinitz

Designed for you, if you are...

  • An engineer, project manager, chemist or field operational staff currently or potentially involved in EOR
  • A professional seeking an overview of sustainable application of polymers in EOR

How we build your confidence

The course focuses on cases studies of different polymer projects using water-soluble products. A workflow regarding the polymer screening procedure is part of the discussed lab phase and engineering flowcharts bridge the gap to technical application.

The benefits from attending

By the end of the course you will feel confident in your understanding of:

  • The status of EOR application worldwide
  • The appraisal of different polymer field projects
  • Types of water soluble polymers for EOR
  • Lab screening methods for water soluble polymers
  • Polymer retention: Lab vs. field
  • Selecting the mixing water (sea water, bank filtrate, source & produced water)
  • Powder product vs. emulsion / broth
  • Biocides and their screening for EOR projects
  • Technical approach of onsite polymer handling, mixing and injection
  • Importance of water quality for polymer injection
  • Monitoring systems during the flood
  • The effects of polymer breakthrough on the fluid treatment system

Topics

  • EOR Status
  • Appraisal of polymer field projects
  • Introduction to petrophysics
  • A current international project status
  • Living conditions of sulphate reducing bacteria (SRB)
  • Rules of biocides in polymer projects
  • Impact of microorganism on polymer degradation
  • Well interference tests in the selected polymer area & rules of tracer application

  • Polymer stability and retention vs. adsorption
  • Selection of make-up water for polymer injection
  • Impact of oxygen on polymer fluid stability
  • Screening and application of oxygen scavenger
  • Polymer dissolution procedure and rheological analyses of the prepared fluid
  • Screening criteria of polymer solutions including guidelines for quality testing
  • Polymer solution control by standard sand pack tests
  • How to calculate the shear rate and apparent viscosity in porous media
  • Field application of PHPAA and xanthan projects
  • Polymer powder vs. broth or emulsion in project application technique
  • Injection well surveillance and injection fluid specifications
  • Start-up activites for polymer injection projects

  • Discussion of flow charts of different polymer field installations
  • Polymer pumping and metering systems
  • Application of valve-less pumps
  • Focus on the importance of polymer mixing
  • Types and selection of effective static fluid mixer
  • Chemical dosage systems and pH reduction for injection water
  • Polymer solution detanglement by different shearing methods
  • Polymer sampling procedures for onsite handling

  • Definition of water quality ratio (WQR) for injection
  • Importance of the injection well completion of polymer application
  • Stimulation procedure for polymer injection wells
  • How to calculate the shear rate and pressure distribution during injection
  • Importance of heating the polymer injection solution
  • Monitoring and surveillance program in field projects

  • Focus on production wells during polymer flooding
  • Onsite methods to control polymer breakthrough
  • Impact of produced polymers on the treatment process
  • Surface activity of broth application compared to powder
  • Application of a particle charge detector for controlling polymer breakthrough

Customer Feedback

"The instructor has a lot of experience and he shared his knowledge with the group. The field trip was excellent" - Researcher at PDVSA Intevep
"Very good overview over different field trial examples and their hurdles" - Engineer at Wintershall


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