API RP 13B-2

Recommended Practice for Field Testing Oil-based Drilling Fluids, Fifth Edition, Includes Errata 1 (2014), Errata 2 (2018), and Addendum 1 (2019)

American Petroleum Institute , 04/01/2014

Publisher: API

File Format: PDF

$114.00$229.00


Please note that any addenda or errata may not be included in translated editions of this standard.This recommended practice provides standard procedures for determining the following characteristics of oil-based drilling fluids:a)drilling fluid density (mud weight);b)viscosity and gel strength;c)filtration;d)oil, water, and solids concentrations;e)alkalinity, chloride concentration, and calcium concentration;f)electrical stability;g)lime and calcium concentrations, calcium chloride, and sodium chloride concentrations;h)low-gravity solids and weighting material concentrations.The annexes provide additional test methods or examples that can optionally be used for the determination of:
  • shear strength (Annex A);
  • oil and water concentrations from cuttings (Annex B);
  • drilling fluid activity (Annex C);
  • aniline point (Annex D);
  • lime, salinity, and solids concentration (Annex E);
  • sampling, inspection and rejection (Annex F);
  • rig-site sampling (Annex G);
  • cuttings activity (Annex H);
  • active sulfide (Annex I);
  • calibration and verification of glassware, thermometers, viscometers, retort kit cups, and drilling fluid balances (Annex J);
  • high-temperature/high-pressure filtration using the permeability-plugging apparatus (PPA) (Annex K);
  • elastomer compatibility (Annex L);
  • sand content of oil-based fluid (Annex M);
  • identification and monitoring of weight-material sag (Annex N);
  • oil-based drilling fluid test report form (Annex O).

API RP 13B-2 History

API RP 13B-2

API RP 13B-2

$114.00 $229.00

API RP 13B-2 (R2010)

API RP 13B-2 (R2010)

$70.00 $140.00

API RP 13B2

API RP 13B2

$72.00 $144.00

More API Standards PDF

API Std 20P

API Std 20P

$37.00 $75.00

API RP 1185

API RP 1185

$67.00 $135.00

API Spec 20E

API Spec 20E

$51.00 $102.00

API Std 936

API Std 936

$75.00 $150.00