Ayman Abdel Ghany AL-Zahry

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Questions related from Ayman Abdel Ghany AL-Zahry

Is there any viscosifier for water-based drilling fluid which has a very high temperature tolerance i.e. it is stable up to 260°C, 500°F?

Viscosifiers of water based drilling fluids have a very important role to support hole cleaning by a good yield point; but at elevated bottom hole temperature (more than 250°C, 482 °F); this...

28 December 2015 2,577 5 View

What is the best method to extract the Bixin from Annatto seeds?

The main pigments of Annatto seeds are bixin & norbixin. Normally, there are three main methods could be used to extract the pigments from Annatto seeds. I need to know which method will give...

27 December 2015 4,054 4 View