API RP 56-1995
Recommended Practices for Testing Sand Used in Hydraulic Fracturing Operations (Second Edition)

Standard No.

API RP 56-1995

Release Date

1995

Published By

API - American Petroleum Institute

Latest

API RP 56-1995

Scope

Turbidity in water is the result of suspended clay, silt, or finely divided inorganic matter being present. Frac sand samples can be placed in distilled water and the turbidity of the resulting liquid measured. Properly washed and processed frac sand

API RP 56-1995 history

• 1995 API RP 56-1995 Recommended Practices for Testing Sand Used in Hydraulic Fracturing Operations (Second Edition)
• 1983 API RP 56-1983 RECOMMENDED PRACTICES FOR TESTING SAND USED IN HYDRAULIC FRACTURING OPERATIONS FIRST EDITION