Why is the role of the tubing-casing annulus in gas lift production? a. Gas is p

Question

Why is the role of the tubing-casing annulus in gas lift production? a. Gas is pumped from the surface through tubing and oil and gas are produced from the annulus b. The larger casing diameter reduces the pressure in the annulus vs tubing c. Gas is injected in the casing-tubing annulus and enters the production tubing through valves d. none of the above Which of the following is a component of the downstream oil sector? a. Reservoir Simulation b. Drilling c. Refining d. Production Which of the following applies to a rotary steerable directional drilling system? a. No surface drill string rotation b. Entire drill string rotates c. Drilling fluid is used to the bit d. None of the above Which of the following tools converts hydraulic energy to mechanical energy for bit advancement? a. Conventional rotary drilling system b. Mud motor directional drilling system c. Rotary steerable directional drilling system d. None of the above Use Gilbert's equation to calculate the production flow rate in STB/Day for a production system with a 12/64 inch choke, a gas/liquid ratio of 600 standard cubic feet (scf) per stock tank barrel (STB), and wellhead pressure of 5000 psia? a. 1141 STB/D b. 937.5 STB/D c. 5000 STB/D d. 2273 STB/D A production test on an oil well produced an estimated maximum oil production rate of 4223 STB/D, with a bottom hole pressure of 1200 psi and average reservoir pressure of 2000 psi. What is the production rate if the bottom hole pressure is 1800 psi? a. 2114 STB/D b. 1671 STB/D c. 1133 STB/D d. 726 STB/D

Explanation / Answer

27. c. Gas is injected in the casing-tubing annulus and enters the production tubing through valves.

28. d. production

29. d. none of the above

30. b. mud motor directional drilling system.

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