EL Yasa Gherri

over 20 years of field drilling fluid engineering both oil and water base mud , both on and offshore , over  10 years of drilling fluids supervision, operations, sales and management 

1- drilling fluids 

2- workover and completion fluids 

3- water & oil base fluids 

4- APHRONIC 

5- LMP

6- solids control operations 

7- drilling fluids sales & operations 

bachelor in engineering 

mud school 

advanced well planning 

many courses in various oil & gas subjects 

geology and geophysics