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API RP 13B-2-2014

$55.90

Recommended Practice for Field Testing Oil-Based Drilling Fluids

Published By Publication Date Number of Pages
API 2014 153
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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-2-2014
$55.90