US ISO 13500:2008, Petroleum and natural gas industries — Drilling fluid materials — Specifications and tests

This Uganda 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 carboxymethylcellulose (CMC-LVT), technical-grade high-viscosity carboxymethylcellulose (CMC-HVT), starch, low-viscosity polyanionic cellulose (PAC-LV), high-viscosity polyanionic cellulose (PAC-HV) and drilling-grade Xanthomonas campestris (Xanthan gum).

Source of regulation
The Uganda National Bureau of standards 
Publication of regulation
The Uganda Gazette 22 January 2016: General Notice No. 45 of 2016 
Date of implementation
15 December 2015 
Regulation file