API Spec 13A PDF
$105.00
Drilling Fluids Materials, Nineteenth Edition, Includes Addendum 1 (2020), Addendum 2 (2022), and Errata 1 (2024)
American Petroleum Institute , 10/01/2019
API Spec 13A Nineteenth Edition PDF
API MONOGRAM PROGRAM EFFECTIVE DATE: OCTOBER 1, 2020
This specification covers physical properties and test procedures for materials manufactured for use in oil- and gas-well drilling fluids. The materials covered are barite; hematite; bentonite; non-treated bentonite; attapulgite; sepiolite; technical grade, low-viscosity carboxymethyl cellulose (CMC-LVT); technical grade, high-viscosity carboxymethyl cellulose (CMC-HVT); starch; low-viscosity polyanionic cellulose (PAC-LV); high-viscosity polyanionic cellulose (PAC-HV); and drilling-grade xanthan gum. This specification is intended for the use of manufacturers, distributors, and end users of named products. Annex A (informative) contains information on the API Monogram Program and requirements for the approved use of the API Monogram by licensees.
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