1-when take surface fluid sample, what is the condition of choke (i mean increase or decrease opening)???

2-after a long production life from wet gas reservoir, there will be two phase flow . (yes or No and why????)

3-what is meant by "constant volume depletion" for gas reservoir??which gas reservoir type is recommended for CVD and when????

4-is sand production considered a well damage ???

5-what is effect of separator pressure on pipeline pressure???

6-Straight line IPR is better than Vogel IPR for the artificial lifting systems (Yes or No and why???????)

7-Pressure gradient curves affected by the well bore deviation. (Yes or No and why???)


8-gas lift is the most common artificial lift method in offshore. (Yes or NO)