DosSurf™ 12 Cleaning Agent

Navigating the Nexus of Cleanliness for Unparalleled Bonding

DosSurf™ 12 Cleaning Agent

Redefining Strength in Cement Bonds through Our Oil-Based Mud Cleaning Innovation

DosSurf™ 12 is an advanced chemical cleaning solution designed for incorporation into cement spacer systems. When applied under reservoir temperature conditions, it significantly enhances cement bond performance. DosSurf™ 12 effectively mitigates the adverse impact of oil-based drilling mud on cement integrity, improves mud–cement compatibility, alters formation–casing wettability from oil-wet to water-wet, and reduces interfacial tension (IFT) between drilling fluids and cement systems.

Technical Document

Brochure DosSurf™ 12 Cleaning Agent


SDS DosSurf™ 12 Cleaning Agent


TDS DosSurf™ 12 Cleaning Agent


Spacer Surfactant Screening Test

Robustly Work with Different Types of Invert Emulsion Drilling Fluids

Oil or synthetic based drilling fluids generally comprise invert emulsion fluids, where the continuous or external phase is predominantly organic, and the inverse or internal phase is usually aqueous. DOSAS formulate DosSurf™ 12, a treatment composition that breaks the mud's interfacial rheological properties, it functions as an effective demulsifier that breaks the invert emulsion and facilitates filter cake removal by weakening its bond with the wellbore wall.

DosSurf™ 12 surfactant OBM reverse emulsion test
  • Non-Aqueous Fluid Compatibility

    With its complex formulation, DosSurf™ 12 offers exceptional compatibility with a wide range of base oils—ranging from polar, short carbon chain oils to highly polar, long carbon chain varieties. This versatility makes it an ideal choice for diverse applications.

  • Thermal Stability

    DosSurf™ 12 is a specialized product engineered for reliable performance across a wide temperature range, from 24°C up to 149°C. 


  • Metal Rotor Sleeve

    DosSurf™ 12 is a superior solution for cleaning in the oilfield industry, ensuring effective mud displacement in metal rotor sleeves in just 3 minutes.

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