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KRÜSS - Model DSA 100 HP1750 -High Pressure Drop Shape Analyzer

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Wetting and interfacial tension under pressure conditions of reservoir stimulation.

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oil recovery
pressure monitoring
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The DSA100HP1750 performs precise measurements of contact angle as well as surface tension and interfacial tension at pressures of up to 1750 bar and temperatures of up to 250 °C. The main focus of the instrument lies in the optimization of reservoir stimulation in oil recovery by influencing both wetting of rock and water/oil phase interactions. The DSA100HP1750 combines our expertise in the field of optical drop shape analysis and the know-how of our partner EUROTECHNICA in high pressure applications.

Measuring methods

  • Contact angle of a drop on a solid surface

  • Contact angle using a gas bubble beneath a solid surface in a liquid

  • Surface or interfacial tension using the curvature of a drop or bubble at the tip of a needle

Measuring results

  • Surface tension of a liquid

  • Interfacial tension between two liquids

  • Static contact angle

  • Contact angle using a bubble in a liquid

  • Surface tension of stimulation fluids and their interfacial tension with oil under storage conditions

  • Wettability of reservoir rock in air as well as wetted by oil