ad
Reservoir Engineering
Trending

Additives in Acidizing Fluids

Assessment Additives in Acidizing Fluids

1. What should be done to a new string of tubing before acidizing a well?

A .Circulate acid down the tubing and up the annulus.
B .Circulate acid down the annulus and up the tubing.
C .Pump acid down the tubing and then reverse circulate it out.

2. Which iron is considered worse for the formation?

A .Ferrous
B .Ferric

3. It is necessary to control leak off when acid fracturing.

A .True
B .False

4. The bacterium causing the greatest concern to oil producers is the sulfate-reducing organism.

A .True
B .False

5. Before selecting an acid mixture for a simulation treatment, it is important to test the mixture’s compatibility with which of these formation fluids:

A .Oil and water.
B .Oil only.
C .Water only.

6. Which of these fluids is typically used in conjunction with clay-stabilizing materials to combat formation damage?

A .2% KCl
B .4% NaCl
C .3% NH4Cl
D .(A), (B) and (C) can all be used.

7. Corrosion inhibitor is added to all acids before pumping into a well.

A .True
B .False

8. Acid can break down some friction reducers.

A .True
B .False

9. If left unchecked, ferric iron precipitates out of solution when ___________.

A .the pH decreases.
B .the pH increases.

Recommended for You 

Introduction to Acidizing

Hydraulic Fracturing Fundamentals

Production Logging of Multiphase Flow in Horizontal Wells

Previous page 1 2 3 4 5 6 7 8

Related Articles

Leave a Reply

Your email address will not be published. Required fields are marked *

ad
Back to top button