API Spec 13a

Specification for Drilling-Fluid Materials

Org/Number ID	API Spec 13a
Alternate Organization ID / number
Version(s)	Fourteenth Edition, August 1, 1991
Bin #	0044
Comments
Status	Present
Record last updated	February 16, 2022, 2:16 am

This is not the most recent edition of this standard.

Newer edition note: API SPEC 13a (2019)