API RP 13B-1

Description

This part of ISO 10414 provides standard procedures for determining the following characteristics of water based drilling fluids:
a) drilling fluid density (mud weight);
b) viscosity and gel strength;
c) filtration;
d) water, oil and solids contents;
e) sand content;
f) methylene blue capacity;
g) pH;
h) alkalinity and lime content;
i) chloride content;
j) total hardness as calcium.
Annexes A through K provide additional test methods.
This edition of API 13B-1 is the identical national adoption of ISO 10414-1:2008, Petroleum and natural gas industries—Field testing of drilling fluids—Part 1: Water-based fluids.