1、Recommended Practices for Testing High-Strength Proppants Used in Hydraulic Fracturing Operations API RECOMMENDED PRACTICE 60 SECOND EDITION,DECEMBER 1995)American _.l,PetroleumInstitute Recommended Practices for Testing High-Strength Proppants Used in Hydraulic Fracturing Operations Exploration and
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15、erican Petroleum Institute ii CONTENTS Page 1 SCOPE.1 1.1 Scope.1 1.2 Objective.1 1.3 Test Procedures.1 2 REFERENCES.1 2.1 Standards.1 2.2 Other References.1 3 RECOMMENDED PROPPANT SAMPLING PROCEDURE.1 3.1 Description.1 3.2 Equipment.1 3.3 Recommended Number of Samples.1 3.4 Sampling(Bulle Material)
16、.2 3.5 Sampling(Sacked Material).2 4 RECOMMENDED SAMPLES HANDLING AND STORAGE.2 4.1 Sample Reduction(Sacked Material).2 4.2 Sample Splitting.4 4.3 Sample Retention and Storage.4 5 RECOMMENDED PROPPANT SIZES.4 5.1 Sieve Analysis.4 5.2 Recommended Proppant Size.56 PROPPANT SPHERICITY AND ROUNDNESS.56.1 General.56.2 Sphericity.6 6.3 Roundness.6 6.4 Recommended Sphericity and Roundness.6 6.5 Alternative Method for Determining Average Sphericity and Roundness.6 7 ACID SOLUBILITY CONSIDERATIONS.7 7.1
