API SPEC 13A
Specification for Drilling-Fluid Materials
| Organization: | API |
| Publication Date: | 1 November 2006 |
| Status: | inactive |
| Page Count: | 88 |
scope:
This International Standard covers physical properties and test
procedures for materials manufactured for use in oil- and gas-well
drilling fluids. The materials covered are barite, haematite,
bentonite, nontreated bentonite, OCMA grade bentonite, attapulgite,
sepiolite, technical grade low-viscosity carboxymethylcellulo
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