problem 1) What do you formation damage? Describe in detail plugging caused by fluid filtrates and by particle migration.

problem 2) What is acidizing? describe sandstone acidizing in detail.

problem 3) What are fracture fluids? Give their uses and use of various fracture fluids in different formations.

problem 4) describe in detail causes of scale deposition and describe how scales are removed chemically and mechanically.

problem 5) prepare detail notes on the following:

a) Coiled Tubing system.

b) Transient pressure test.

c) Factors affecting gun perforating results.

d) Low-Fluid-Loss cement squeezing

problem 6) describe in detail sand control mechanism.

problem 7) What is corrosion? Describe sweet and sour corrosion in detail.

problem 8) Describe the following:

a) Prevention of well damage with the help of surfactants.

b) Geologic factor affecting reservoir properties in carbonate reservoir.

c) Cement additives.