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Excelceor™ EOR Technology

SHEAR RESISTANT, HIGH INJECTIVITY POLYMER TECHNOLOGY

Designed specifically for harsh Enhanced Oil Recovery (EOR) mobility control applications, the Excelceor technology provides more oil, faster, with less polymer compared to traditional polymer floods. This field-proven and customizable technology addresses the problems in shear-inducing environments through a unique triggering mechanism.

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UNLOCK YOUR RESERVOIR

Unlock incremental oil and maximise your ROI with safe, responsible enhanced oil recovery (EOR) solutions from Nalco Champion's EOR team.

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Video: See how we partnered with BP to develop Excelceor™

Shear Resistant, High Injectivity EOR Polymer

OFFSHORE POLYMER FLOODING CHALLENGES

Polymer flooding is an established technology (HPAM) to improve mobility ratio and sweep efficiency, with limited use offshore due to challenges:

  •  Limited injectivity lowers oil production
  •  Shear degradation results in 30-70% higher polymer dosage
  •  Severe conditions and regulations
Excelceor graphic
DELIVER HPAM TO THE RESERVOIR INTACT

Excelceor is a patent-pending polymer technology developed to address offshore challenges. Successful laboratory and scale pilot trials prove benefits over traditional HPAM:

  • Maintain injectivity with water-like viscosity
  • Shear protection to reduce polymer consumption
  • Formulated for North Sea conditions and regulations
Excelceor lab photo
Robust Validation Programme

For the past five years, Nalco Champion scientists and engineers have worked to develop and optimise this technology. Internal and third-party laboratory and pilot testing results verify improvement over conventional HPAM. Refer to 2017 EAGE paper Enhanced Polymer Flooding – Reservoir Triggering Improves Injectivity and Eliminates Shear Degradation.

Laboratory Tests

  • Shear resistance
  • Inversion and injectability
  • Triggering
  • Flow in porous media

Pilot Scale

  • Shear resistance
  • Inversion
Excelceor field trial numbers
Successful Field Trial

The onshore field trial was a joint effort among Nalco Champion, BP and OMV and was completed with no recordable safety incidents.

All KPI goals of the field trial were met or exceeded:

  • 100% shear resistance of the polymer in un-triggered form
  • Un-triggered polymer has water-like viscosity and high injectivity
  • Triggered polymer is indistinguishable from a conventional HPAM
  • Fully customizable, including invertability and triggering kinetics

See SPE paper Successful Field Trial of a Shear-Resistant, High-Injectivity, Reservoir-Triggered Polymer (SPE-188528-MS)

Visit SPE.COM to download the paper