P, S1 & S2 ACOUSTIC VELOCITY MEASUREMENT IN ROCK CORE, UNDER TRIAXIAL LOADING CONDITIONS AND ANCILLARY VACUUM / PRESSURE SATURATOR AND PORE PRESSURE UNITS ©

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Pressure Vacuum Saturator Unit

Pore Pressure Application Unit

2" Core Cell Triaxial Test Setup in 200 kN Load Frame

1) 2 Channel 200 Msps Digital Sampling Oscilloscope.

2) Acoustic Transducer Unit (ATIU)

3) Transducer Interface Unit (TIU)

Multi-pin connector for P1, S1 & S2 (Transmitter) relay driver Switching & “Pinging” mounted inside TOP Axial Load Platen

Pore Pressure male connector 2 off at 180°apart

LVDT B

Axial Load Cell

Spherical Seat

Top cross bar

"Bulls Eye" Spirit level

Telescopic Jig mounted in individual plastic Extension Supporting Legs

LVDT A

Pore Pressure male connector 2 off at 180°apart

"Snorkel Unit"

Confining Pressure Transducer

Pore Pressure Transducer

Load Cell

Spherical Seat

LVDT A

LVDT B

1) 150 MHz 2 Channel 200 Msps Digital Sampling Oscilloscope.

2) Acoustic Transducer Unit (ATIU)

3) Transducer Interface Unit (TIU)

Triaxial cell body installed on nylon extension legs with optional ( Ø 1" to Ø 2" ) with pressure port jacket available

Header Tank De-airing Vessel 2.5L Capacity

250 Bar Pressure Gauge

Combination air pressure regulator /filter /oil mist lubricator unit

McLeod Vacustat

2L Capacity (4 Sample) Saturator Vessel (207Bar)

700Bar pressure transducer (Hastelloy C-276 wetted parts )

Oil fill Port

Process Line "T" For Ø1/8" tubing To male connector in TOP axial platen

Floating Piston Transfer Barrier Unit (700bar) (0.2L approx.)

Bar stock shut off valves

Vacuum Pump

Hydraulic Pump

Air Hydraulic Pump

ErgoTech
Unit 3 Cae Ffwt Business Park Glan Conwy Conwy
LL28 5SP UK

This drawing is copyright (c) and the associated procedure is the property of ErgoTech. It is issued confidentially to parties interested in acquiring the process and to authorised/licensed clients using it. The drawing is not to be reproduced or circulated by any parties without the written consent of ErgoTech which will not be unduly withheld. The drawing must not be mounted on any display boards or reproduced in reports without the written consent of ErgoTech. When permission is granted the reproduction must be identical to the original and the ownership of the drawing and the process embodied acknowledged to ErgoTech by displaying "ErgoTech (c)"

Pore Pressure male connector 2 off at 180°apart

ErgoTech
Tel. (44) (0)1492 592684
Fax. (44) (0)1492 592685