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API RP 13B-2
Field Testing Nonaqueous-based Drilling Fluids, Sixth Edition, Includes Addendum 1 (2025) and Errata 1 (2025)
Translate name
STANDARD published on 1.7.2023
The information about the standard:
Designation standards: API RP 13B-2
Publication date standards: 1.7.2023
SKU: NS-1250283
The number of pages: 164
Approximate weight : 523 g (1.15 lbs)
Country: American technical standard
Category: Technical standards API
Annotation of standard text API RP 13B-2 :
This recommended practice provides standard procedures for determining the following characteristics of nonaqueous drilling fluids (NADFs):
- • drilling fluid density (mud weight);
- • viscosity and gel strength;
- • filtration;
- • nonaqueous fluid (NAF), water, and solids concentrations;
- • alkalinity, chloride concentration, and calcium concentration;
- • electrical stability (ES);
- • lime and calcium concentrations, calcium chloride, and sodium chloride concentrations;
- • low-gravity solids and weighting material concentrations;
- • sand content;
- • high-temperature, high-pressure (HTHP) filtration using the permeability plugging apparatus (PPA). See more
These adjuncts apply to this standard:
API RP 13B-2/Add1
Adjunct of the standard
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Addendum 1 to Field Testing Nonaqueous-based Drilling Fluids, Sixth Edition
Adjunct of the standard published on 1.4.2025
Selected format: English - electronic (protected pdf) (ON REQUEST)
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API RP 13B-2/Err1
Adjunct of the standard
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Errata 1 to Field Testing Nonaqueous-based Drilling Fluids, Sixth Edition
Adjunct of the standard published on 1.10.2025
Selected format: English - electronic (protected pdf) (ON REQUEST)
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API RP 13C/Err1
Adjunct of the standard
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Errata 1 to Drilling-fluid Processing Systems Evaluation, Sixth Edition
Adjunct of the standard published on 1.6.2026
Selected format: English - electronic (protected pdf) (ON REQUEST)
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