ISO 10426-4:2004 PDF

Name: ISO 10426-4:2004 — Petroleum and natural gas industries — Cements and materials for well cementing — Part 4: Preparation and testing of foamed cement slurries at atmospheric pressure
SKU: ISO 10426-4:2004
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Petroleum and natural gas industries — Cements and materials for well cementing — Part 4: Preparation and testing of foamed cement slurries at atmospheric pressure

Название (английский):

ISO 10426-4:2004

Petroleum and natural gas industries — Cements and materials for well cementing — Part 4: Preparation and testing of foamed cement slurries at atmospheric pressure

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 13
Дата публикации:: 26 февраля 2004 г.
Издание:: ISO IS 10426 edition 1 version 1
ICS:: 75.020

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Описание (английский):

ISO 10426-4:2004 defines the methods for the generation and testing of foamed cement slurries and their corresponding unfoamed base cement slurries at atmospheric pressure.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

ISO 10426-4:2004 - "Petroleum and natural gas industries - Cements and materials for well cementing - Part 4" specifies laboratory methods for the preparation and testing of foamed cement slurries at atmospheric pressure. The standard defines sampling, slurry calculations, apparatus, mixing procedures and atmospheric testing for foamed cement and its corresponding unfoamed base slurries, with emphasis on repeatable laboratory practice for well cementing operations.

Key Topics and Requirements

Scope and purpose: Methods for generation and testing of foamed cement slurries at atmospheric pressure; applicable to well cements, cement blends and speciality cements used in foamed cement slurry designs.

Sampling: Guidance to ensure laboratory materials (cement, additives, water) match well-site materials; references ISO 10426-2 sampling techniques.

Slurry calculations: Procedures and equations to calculate:

mass fraction of surfactant(s),
base slurry density,
mass and volume of unfoamed slurry required for a target foamed density or gas volume fraction (foam quality).

Apparatus: Required equipment includes a sealed blending container (threaded cap, O‑ring, vent plug), mixing blade assemblies (single or multi‑blade) and calibrated speed control. The blending container volume must be determined and periodically verified.

Mixing and preparation:

Base slurry prepared with all additives except surfactant(s).
Surfactant(s) added after initial mixing; sealed mixing and high-speed agitation used to generate foam (e.g., high rpm brief mixing).

Testing and calibration:

Density and other properties measured per procedures in the standard and ISO 10426-2.
Temperature control and measurement guidance (sample temps within ±2 °C where practicable).
Rotational speed calibration tolerances specified for blending assembly.

Applications

Lab validation of foamed cement slurry designs prior to field deployment.

Determining slurry density, foam quality, and surfactant dosing for well cementing programs.

Quality assurance and comparative testing of cement blends and foaming agents.

Supporting slurry design for gas migration control, lightweight cementing and specialized completion scenarios.

Related standards

ISO 10426-2:2003 - Testing of well cements (normative reference)

ISO 10426-1, -3, -5 - Other parts of the ISO 10426 series covering specification, deepwater testing and shrinkage/expansion

Keywords: ISO 10426-4:2004, foamed cement slurries, well cementing, slurry preparation, atmospheric pressure testing, surfactant calculations, blending container, slurry density.

ISO 10426-4:2004 PDF

Abstract

Похожие стандарты

Overview

Key Topics and Requirements

Applications

Who uses this standard

Related standards

Технические детали

ISO 10426-2:2003

Petroleum and natural gas industries — Cements and materials for well cementing — Part 2: Testing of well cem…

ISO 10426-2:2003/Amd 1:2005

Petroleum and natural gas industries — Cements and materials for well cementing — Part 2: Testing of well cem…

ISO 10426-1:2009/Cor 2:2012

Petroleum and natural gas industries — Cements and materials for well cementing — Part 1: Specification — Tec…