Liquid StoneLiquid Stone

Huward FontenotHuward Fontenot

MEEN-3344-001MEEN-3344-001

Spring 2004Spring 2004

BackgroundBackground

Created by BJ Services Created by BJ Services CompanyCompany

Made from Portland Made from Portland Concrete (API Class H)Concrete (API Class H)

Normally begins hydration Normally begins hydration immediately after being mixedimmediately after being mixed

Can be slowed down Can be slowed down

Often irreversibleOften irreversible

CompositionComposition

Suspending agentSuspending agent Kerrigena – keeps viscosity low, makes Kerrigena – keeps viscosity low, makes

pumping easierpumping easier PlasticizerPlasticizer

Maintains fluid state, keeps gel strength Maintains fluid state, keeps gel strength down, keeps low thicknessdown, keeps low thickness

Set RetarderSet Retarder Proprietary organic acid - stops hydration Proprietary organic acid - stops hydration

processprocess

Using Liquid StoneUsing Liquid Stone

ActivatorActivator

Added to the Liquid Stone to initiate hydration Added to the Liquid Stone to initiate hydration processprocess

Returns to Portland Concrete state (maintains Returns to Portland Concrete state (maintains similar properties)similar properties)

If used in high temperature areas, the high If used in high temperature areas, the high temperature can act as the activatortemperature can act as the activator

Optimum temperature range is up to 450Optimum temperature range is up to 450ºFºF

UsesUses

Used in remote Used in remote locationslocations Concrete normally Concrete normally

transported dry and transported dry and mixed on sitemixed on site

Easier to handleEasier to handle

Used in offshore oil rigsUsed in offshore oil rigs No pre-mixing necessaryNo pre-mixing necessary Easily pouredEasily poured

BenefitsBenefits Slurries can be mixed for specific usesSlurries can be mixed for specific uses

Ranges in density (8.1 – 20.0 ppg)Ranges in density (8.1 – 20.0 ppg)

Maintains normal compressive strengthMaintains normal compressive strength

Easily pumpedEasily pumped

Environmentally safeEnvironmentally safe Personnel have minimal exposure to dustPersonnel have minimal exposure to dust

Compatible with other cementsCompatible with other cements

Reduces losses during mixing and transportReduces losses during mixing and transport

Can be stored for several months in liquid stateCan be stored for several months in liquid state

ReferencesReferences

BJ Services Liquid Stone WebsiteBJ Services Liquid Stone Website http://www.bjservices.com/website/liquidstonehttp://www.bjservices.com/website/liquidstone

.nsf/webpages/bjliquidstone?opendocument.nsf/webpages/bjliquidstone?opendocument Article on Liquid StoneArticle on Liquid Stone

http://www.projectsmonitor.com/detailnews.ashttp://www.projectsmonitor.com/detailnews.asp?newsid=7243p?newsid=7243

Article on Use of Liquid StoneArticle on Use of Liquid Stone http://www.eandpnet.com/firstlook/iadc-spe/p1http://www.eandpnet.com/firstlook/iadc-spe/p1

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