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TERRADRIL® EM Emulsifiers for Oil-based Mud Applications


TERRADRIL® EM invert mud emulsifiers, which are based on esters derived from natural resources, are ideal for use in drilling applications to lower interfacial gravity and enable a liquid to form a stable, homogeneous emulsion of fine droplets.

Emery's TERRADRIL® EM  brand products offer the following benefits: 

  • increased emulsion stability
  • reduced water wetting tendency of insoluble solids
  • rheological stability
  • reduced high temperature, high pressure (HTHP) fluid loss

In response to increasingly demanding global oil and gas exploration activities, Emery's emulsifiers are used to drill reactive geological formations and make it possible to drill highly-deviated wells where borehole stability, lubricity and benign ecological properties are essential. Their unique ecotoxicological properties have dramatically reduced the impact of the drilling fluid on marine environments, even allowing the disposal of drilled cuttings on the sea floor with a clear conscience.

Product Name Appearance Density @20°C (g/cm³) Flash Point (°C) Description
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yellowish liquid approximately  0.88 >180 Co-emulsifier
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dark amber liquid 0.88-0.92 >75 Invert mud emulsifier (amido amine based)
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yellow to brown liquid 0.93-0.95 >100 High temperature stable emulsifier

Technical Support  

Emery technical application labs are state-of-the art. Running extensive drilling fluid testing for evaluation and comparison of chemical solutions is Emery's expertise.  In addition to standard API drilling fluid testing which includes mixing, aging, rheology measurement and filtration, Emery offers lubricity (Falex and EP Tester), cleaner, foamer and shale testing. Further strengths include Emery's innovative Product Development and technical Customer Service teams.

Regulatory Compliance  

To help protect the environment and the health of workers in the operation field and/or on rigs, Emery's oilfield business is committed to providing environmentally-friendly products . Many of our products are Ospar Commission and Cefas approved for use in offshore drilling in accordance with the high standards of North Sea operations. 


Contact Us

Contact us today for more information or to request a sample to begin enhancing the performance of your drilling chemical formulations.

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