~ 2 min

Enhanced oil recovery: Why measure wettability at high pressures and temperatures?

Studies show the influence of EOR agents on the reservoir rock wettability. Studies are not considering the reservoir conditions i.e. high pressure.

~ 2 min

Enhanced oil recovery: Comparison of oil reservoir wettability measurement techniques

There are three commonly used wettability measurement techniques for oil reservoir characterization; Contact angle, Amott-Harvey, and USBM.

< 4 min

Why is interfacial rheology important?

Interfacial rheology studies the flow properties of liquid interfaces.

> 2 min

What are superhydrophobic surfaces?

Superhydrophobic surface is defined by having the static water contact angle above 150 ° and contact angle hysteresis less than 5 °.

> 2 min

Surface free energy measurements in practice

Surface free energy can be calculated through contact angle measurements. Automated instruments are available.

< 3 min

Contact angle measurements to evaluate plasma treatment efficiency

Plasma treatment is an often-used process prior to coating, printing or gluing to improve the wettability of the material.

> 3 min

Contact angle measurements on superhydrophobic surfaces in practice

There are three contact angle measurement methods for superhydrophobic surfaces; static, advancing/receding and roll-off angle.

< 4 min

How to deposit graphene oxide thin films?

Graphene oxide is hydrophilic and thus dispersible to water. Dispersibility makes the solution-based deposition of graphene oxide possible.

< 3 min

What is required for good adhesion?

Good adhesion is generally required whenever a coating is applied to a surface. A clean surface and good wettability are needed for good adhesion.

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