Oil field material balance

[@mohammedalharrasi4783]

very useful lecture , many thanks

[@juansalvador5946]

Nice... Make more video please

[@ghadaragab2076]

thanks

[@marvinfranciswamala2966]

How do i get in touch with you Sir, I enjoy your videos

[@BoffyBlunt]

You can write an email to me at [e-mail]

[@ariari8142]

Mister Martin please I need help.. Can we connect

[@BoffyBlunt]

Yes, you can email me on [e-mail]