Efficient, low‑risk sandstone acidizing stimulation

OneSTEP EF sandstone stimulation solution for production and injection wells

SLB brand art representation of OneSTEP
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A breakthrough in sandstone acidizing

OneSTEP EF™ efficient, low-risk sandstone stimulation solution is suitable for use in conventional injection and production wells with varying mineralogy complexities. This innovative well acidizing treatment restores initial permeability, provides fines migration control, and improves production performance in impaired sandstone reservoirs while minimizing the risk of further formation damage from precipitation.

1

Optimized stage vs. multiple conventional stages

≤50%

Reduction in total fluid volume

2022

World Oil® finalist for Best Oilfield Fluids and Chemicals
  • Production and injection wells
  • Multilayer sandstone formations with high precipitation risk
  • Simple to complex completion configurations

Smarter stimulation, seamlessly connected

StimOps brings every element of your stimulation workflow onto one intelligent, cloud-based platform. From real-time monitoring and AI-driven insights to automated event detection and advanced analytics, StimOps empowers teams to make faster, safer, and more consistent decisions. By integrating treatment and production data, enabling remote collaboration, and replacing legacy systems with advanced digital capabilities, StimOps transforms operations across land, offshore, and vessel environments.

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Reliable production performance

OneSTEP EF solution adapts reliably to complex, unknown mineralogies and provides the flexibility to be bullheaded or pumped through coiled tubing without acid preflush.

  • Proprietary blend of acids and additives into a single-step formulation
  • Acid-sensitive clay compatibility
  • High calcium tolerance

How does this acid stimulation technology work?

OneSTEP EF solution is a single-stage, low-volume, easily deployed acid stimulation solution that removes damage caused by drilling fluids, clays, carbonates, and other aluminosilicates.

What does this stimulation treatment replace?

OneSTEP EF solution replaces conventional sandstone stimulation treatments such as mud acid with acid preflush.

How does OneSTEP EF improve sustainability?

OneSTEP EF solution reduces wellsite operating time and footprint, improves flowback efficiency, and lowers related emissions without compromising well production performance.