Could you please answer these question? 1) What conditions must be satisfied to conduct a production system analysis? (Select all that apply.) A. The flow into a system element at any given time must be equal to the flow out of that element. B. The analysis must begin at the furthest downstream element of the system. C. Only one pressure can exist at a system element at any given time. D. A surface choke must be included among the system elements.

2) The productivity index represents the dynamic response of the reservoir and its fluid properties _________. A. for wells with similar completion designs B. for all of the wells within a given producing interval C. within the drainage area of a specific well D. within the boundaries of the reservoir

3) What two-phase flow regime is the most efficient for lifting liquid to the surface? A. Plug flow B. Mist flow C. Annular flow D. Bubble flow