API RP 13C PDF

This recommended practice specifies procedures for assessing and modifying the performance of solids control equipment systems commonly used in the field in petroleum and natural gas drilling-fluids processing.

The procedures described in this standard are not intended for the comparison of similar types of individual pieces of equipment.

The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.

API Recommended Practice 13B-1, Field Testing Water-based Drilling Fluids

API Recommended Practice 13B-2, Field Testing Nonaqueous-based Drilling Fluids

ASTM E11 1, Standard Specification for Woven Wire Test Sieve Cloth and Test Sieves