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Assessment Fracture Acidizing
1. A higher viscosity fluid is more desirable for an acid fracture.
A .True ✔
B .False
2. The pre-flush for an acid fracture is _ viscosity.
A .high ✔
B .low
3. Acid type, acid concentration and rock type determine the reaction kinetics of an acid fracturing treatment.
A .True ✔
B .False
4. Low viscosity acid spends faster than high viscosity acid.
A .True ✔
B .False
5. Acid fracturing is applied to _____ formations.
A .sandstone
B .carbonate ✔
C .both sandstone and carbonate
6. In general, acid fractures are _________ propped fractures.
A .shorter than ✔
B .longer than
C .equal in length to
7. A low injection rate is more desirable for an acid fracture.
A .True
B .False✔
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