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As a Well Engineer, I was searching for courses that’ll help me broaden my skill set before signing up for Dr. Ohia’s Advanced Formation Evaluations course. I found the course to be very informative and useful for any aspiring engineer in the energy sector.

I always thank Google for leading me to Oylex and Dr. Ohia. The pressure was so much on me when I failed to pass PET 207. This meant I will have to retake the exam and because I didn't want failure to repeat itself I searched for help. I took the course afresh on Oylex. After retaking the exam I passed with B grade from F

I have not met a teacher that is as professional as Dr. Ohia. I was really impressed at the rapid improvement in my academics and performance in school. His teaching methods are wonderful and he is very easy to understand.