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About This Item

 

Full Description

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).
 

Document History

  1. API RP 13B-2


    Recommended Practice for Field Testing Nonaqueous-based Drilling Fluids, Sixth Edition

    • Most Recent
  2. API RP 13B-2

    👀currently
    viewing


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

    • Historical Version
  3. API RP 13B-2 (R2010)


    Recommended Practice 13B-2, Recommended Practice for Field Testing of Oil-based Drilling Fluids, Fourth Edition

    • Historical Version
  4. API RP 13B2


    Recommended Practice Standard Procedure for Field Testing Oil-Based Drilling Fluids

    • Historical Version
 

Amendments, rulings, supplements, and errata

  1. API RP 13B-2 Addendum

    Free
    Download


    Addendum to Recommended Practice for Field Testing of Oil-based Drilling Fluids, Fifth Edition

  2. API RP 13B-2 Errata 2

    Free
    Download


    Errata 2 to Recommended Practice for Field Testing of Oil-based Drilling Fluids, Fifth Edition

  3. API RP 13B-2 Errata

    Free
    Download


    Errata to Recommended Practice for Field Testing of Oil-based Drilling Fluids, Fifth Edition