Auto Core Saturator, Model BH-3A
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Auto Core Saturator, Model BH-3A

The Core Saturator for saturation of core samples (saturator)  is intended to saturate the core samples brine, oil or other formation fluids sequential operation vacuum evaporation and saturation.
  • BH-3A


Routine Rock Properties

Auto Core Saturator, Model BH-3A


Auto Core Saturator, BH-3A, is a computer controlled saturator for unattended saturation of multiple plug samples or full diameter samples up to 12 inches in length. An onboard vacuum system allows for programmed vacuum, fill with pressurization and de-pressurization cycles. Short and long cycle vacuum cycles of 4 or 12 hours are available, dependent upon the samples average expected permeability with pneumatic metering valves allowing control of build up and bleed down rates. Samples can be pressured up to 2,000 psi (133 BAR) and maintained at this pressure independent of temperature fluctuations.


The Auto Core Saturator, BH-3A uses a vacuum to remove trapped air and a high pressure liquid pump to make sure the core samples are completely saturated. Dual thermocouples monitor the bath temperature to provide extra protection and prevent from hazardous situation. Pre-installed copper cooling coil cools down the temperature of bath quickly at the end of the test so that time between tests reduces significantly.


Available accessories include plug sample trays, up to 3 of which can be accommodated and dead volume sets. Use of sample containers is recommended to help minimize grain loss and to insure complete saturation of samples by keeping them immersed in saturating fluid when removing them from the Auto Saturator. Dead volume sets reduce the amount of saturate required to fill the Core Saturator when there are insufficient samples to completely fill the system.


Designed for Simple Operation and Minimal Maintenance

The Windows-based program permits the operator to open or close the valves, start and stop the high pressure pump, the vacuum pump, and run automatic saturation cycles. Operator involvement is minimal and the robust machine requires a minimal amount of maintenance.



•  The presence of air pump operated through an air control valve for creating a pressure in the cell and the saturation of the core samples at a pressure up to 150 bar

•  Automatic pneumatic pressure control system

•  Plug sized sample pressure vessel incorporates a large internal diameter for use with full diameter samples when necessary.

•  Wetted materials of construction are 316 Stainless Steel, Teflon™, buna-n, and polyethylene for long lasting corrosion resistant operation.

•  A dead volume set is available for minimizing the amount of saturant necessary when small sample volumes are placed into the pressure vessel.

Scope of Supply:

Saturation Chamber; Maximum Working Pressure 2,000 psig

Control Console incorporating PC

Sample Trays

Dead Volume Set

Vacuum Pump

HPLC Pressurization Pump