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/ AssurEOR STIM®

Unlock Trapped Oil and Extend Production

Biosurfactant EOR solutions that mobilizes hydrocarbons in micro- and nanopores for sustained recovery

What Is AssurEOR STIM®?

AssurEOR STIM® is a biosurfactant-based enhanced oil recovery solution designed to mobilize hydrocarbons that remain trapped after primary and secondary recovery. It improves how fluids interact within the reservoir—enabling access to oil in micro- and nanopore structures and extending production beyond conventional limits.

Primary Applications

Enhanced Oil Recovery (EOR)
Mobilize trapped hydrocarbons and extend production from existing wells
Post-Frac Optimization
Access bypassed zones and improve recovery after initial completion
Mature & Conventional Wells
Increase recovery from depleted formations by mobilizing remaining oil
Chemical & Surfactant Flooding
Improve sweep efficiency and mobilize residual oil through enhanced fluid interactions and displacement control
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Product Resources

How AssurEOR STIM® Works

AssurEOR STIM® improves recovery by changing how fluids interact within the reservoir to mobilize oil that conventional methods leave behind.

Nanopore Penetration

Nanopore Penetration

Small micelles access micro- and nanopore networks within the reservoir
IFT Reduction

IFT Reduction

Reduces interfacial tension to release hydrocarbons trapped in pore spaces
Capillary Pressure Reduction

Capillary Pressure Reduction

Reduces trapping forces to enable sustained oil flow
Wettability Restoration

Wettability Restoration

Shifts rock toward water-wet conditions to improve hydrocarbon mobility

Field-Proven Stimulation Uplift

Operators have achieved:

  • Significant early oil-rate improvement
  • Sustained uplift from months to years
  • Flatter decline curves and higher EUR
  • Rapid payout and improved per-well economics

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Frequently Asked Questions

AssurEOR STIM® is a biosurfactant-based enhanced oil recovery (EOR) treatment designed to mobilize residual oil trapped in the reservoir.

It targets oil that conventional methods leave behind by:

  • Reducing interfacial tension between oil and water
  • Altering rock wettability to release trapped oil
  • Penetrating micro- and nanopores using nanoscale micelles

This allows access to oil that standard chemistry cannot reach.

Oil becomes trapped due to:

  • capillary forces
  • water blocking
  • oil-wet rock surfaces

AssurEOR STIM is designed specifically to overcome these physical barriers.

Conventional EOR:

  • Often relies on bulk fluid movement (water, gas, polymers)
  • Limited penetration into tight rock

AssurEOR STIM:

  • Works at the interfacial level
  • Accesses smaller pore spaces
  • Improves recovery without major infrastructure changes

Biosurfactants exhibit strong adsorption/desorption behavior, allowing treatments to continue working over extended periods.

  • Mature wells with declining production
  • Tight or unconventional reservoirs
  • Fields with significant residual oil saturation

Wells with minimal remaining movable oil or strong natural drive mechanisms may see limited uplift.

Unlock Meaningful Stimulation Uplift with AssurEOR STIM®

Mobilize trapped hydrocarbons and deliver sustained, field-proven recovery.