Free Water and Suspension Additives

Slurry performance can be enhanced with additives that control free water and prevent solids from settling.  Free water and suspension additives can help particles and solids in the slurry to remain suspended.  They also help overcome the potential for fluid to develop at the top of a slurry column or on the high side of deviations in a highly deviated well  or a horizontal wellbore.

FWCA™/WG-17™ Additive
Used to prevent solids from settling, control free water, mildly retard slurries, and increase slurry viscosity which is effective from 130°F (54.4°C) to 200°F (93.3°C).
Suspend HT™ Additive
A suspending aid and free-water-control agent that yields at high temperatures to suspend downhole solids which is effective from 250°F (121.1°C) to 350°F (176.7°C).
SA-541™ Control Agent
A suspending aid and free-water-control agent that yields at temperatures greater than 150 °F to suspend downhole solids which is effective up to 350°F (176.7°C).

Free Water and Suspension Additives

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Summary Summary Suspend HT Additive - Suspending Agent
Suspend HT Additive is a suspending aid and free-water control agent. It can be used to counteract the thermal thinning of cement slurries so that the slurry viscosity profile is not affected by temperature.
Summary Summary Bentonite (Halliburton Gel)
Bentonite (Halliburton Gel) is a colloidal clay mineral composed primarily of smectite. It may also contain accessory minerals, such as quartz, feldspar, and calcite. In fresh water, bentonite swells to approximately 10 times its original volume.
Summary Summary Dual Spacer System ,CFR-6 Cement Friction Reducer
Dual Spacer system's primary application is as a low-viscosity, weighted spacer (flush) for primary and secondary cementing operations. Dual Spacer system can also be designed to displace water- and oil-based muds.
Summary Summary SA-541™ Suspending Aid
When cement slurries containing SA-541™ suspending aid are heated to temperatures greater than 150°F (65.5°C), the material yields to suspend downhole solids.
Summary Summary Dual Spacer (Russian)
Dual Spacer in Russian
Summary Summary Dual Spacer Mixing Aid
The Dual Spacer™ Mixing Aid additive is a light brown liquid gel disposed in a low-toxicity oil.
Summary Summary Dual Spacer System A4
Dual Spacer system's primary application is as a low-viscosity, weighted spacer (flush) for primary and secondary cementing operations. Dual Spacer system can also be designed to displace water- and oil-based muds.
Summary Summary SA-541™ Suspending Aid - A4
When cement slurries containing SA-541™ suspending aid are heated to temperatures greater than 150°F (65.5°C), the material yields to suspend downhole solids.
Summary Summary Attapulgite
Attapulgite suspending agent is a colloidal clay mineral composed primarily of magnesium silicate, silica, and crystalline quartz. In salt water, attapulgite suspending agent swells to approximately 10 times its original volume.
Summary Summary Bentonite (Halliburton Gel) A-4
Bentonite (Halliburton Gel) is a colloidal clay mineral composed primarily of smectite. It may also contain accessory minerals, such as quartz, feldspar, and calcite. In fresh water, bentonite swells to approximately 10 times its original volume.
Summary Summary FWCA™ Free Water Cement Additive - A4
FWCA™ free-water cement additive is a solidssuspending agent.
Summary Summary FWCA™ Free Water Cement Additive
FWCA™ free-water cement additive is a solidssuspending agent.
Summary Summary Suspend HT™ Additive
Suspend HT™ additive is a suspending aid and free-water control agent. It can be used in temperatures from 250° to 400°F (121° to 204°C).
Summary Summary Suspend HT™ Additive -A4
Suspend HT™ additive is a suspending aid and free-water control agent. It can be used in temperatures from 250° to 400°F (121° to 204°C).
Summary Summary Econolite Additive
Halliburton's Econolite additive is used in oilwell cementing to increase volume, decrease density, provide a detergent action, and reduce costs; the resulting slurries are widely used as filler cement. The additive is dry-blended, in finely ground powder form, with API cement Classes A, C, H, and Halliburton LIGHT cement at the rate of 1 to 3% by weight. Econolite additive cannot be used with calcium chloride (accelerator).
Summary Summary Econolite Additive A-4
Halliburton's Econolite additive is used in oilwell cementing to increase volume, decrease density, provide a detergent action, and reduce costs; the resulting slurries are widely used as filler cement. The additive is dry-blended, in finely ground powder form, with API cement Classes A, C, H, and Halliburton LIGHT cement at the rate of 1 to 3% by weight. Econolite additive cannot be used with calcium chloride (accelerator).
Summary Summary Dual Spacer™ Mixing Aid A-4
Dual Spacer Mixing Aid additive is a lightbrown liquid gel disposed in a low-toxicity oil. It minimizes solids setting, which frequently occurs when Dual Spacer system is mixed in a low-sheer environment, such as an offshore sludging pit.
Summary Summary GasCon 469™ Additive - A4
GasCon 469™ is a liquid cement additive designed to help increase slurry stability and control free water. This additive can be used at bottomhole circulating temperatures (BHCTs) between 40° and 300°F (4° and 149°C).
Summary Summary Silicalite™ Cement Additive - A4
Silicalite™ cement additive is made from a finely divided, high surface-area silica.
Summary Summary GasCon 469™ Additive
GasCon 469™ is a liquid cement additive designed to help increase slurry stability and control free water. This additive can be used at bottomhole circulating temperatures (BHCTs) between 40° and 300°F (4° and 149°C).
Summary Summary Silicalite™ Cement Additive
Silicalite™ cement additive is made from a finely divided, high surface-area silica.
Summary Summary Microblock® Cement Additive
Microblock liquid cement additive is made from a finely divided, high surface-area silica. Microblock® cement additive is a product from Elkem AS. Microblock is a registered trademark owned by Elkem AS.
Summary Summary WG-17™ EXP
WG-17™ EXP additive is a non-aqueous suspension of a cellulose-based free-water control agent.
Summary Summary FWCA™/WG-17™ Additive
Used to prevent solids from settling, control free water, mildly retard slurries, and increase slurry viscosity which is effective from 130°F (54.4°C) to 200°F (93.3°C).
Summary Summary Suspend HT™ Additive
A suspending aid and free-water-control agent that yields at high temperatures to suspend downhole solids which is effective from 250°F (121.1°C) to 350°F (176.7°C).
Summary Summary SA-541™ Control Agent
A suspending aid and free-water-control agent that yields at temperatures greater than 150 °F to suspend downhole solids which is effective up to 350°F (176.7°C).
Summary Summary Free Water And Suspension Additives
Freewater or suspension additives assist with cement slurry integrity and controlling free water in lower density slurries.
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