API RP 13B-1

Detail information

Designation: API RP 13B-1

Publication date: 01/01/2026

Pages: 144

Country: American technical standard

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Anotation

This recommended practice 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) static 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;k) low-gravity solids and weighting material concentrations;l) static filtration at high-temperature and high-pressure through permeability plugging testing. See more