GEOSYSTEMS141 PALMER STREET RICHMOND, VIC 3121T +61 3 8420 8950 F + 61 8420 8900GEOSYSTEMS.COM.AU A division of ESS Earth Sciences Pty Ltd, ACN 006 058 395

MINI FRACMini Frac Hydraulic Fracturing System

• Suitable for hydraulic fracturing• Stressdeterminationformining&civilapplications• Tunneling&undergroundexcavationindustry• Coalmining&petroleumindustry• Used in small low cost E-size holes 38mm diameter• Largeranddeepermodelsonrequest

• Fullyselfcontained&portablesystemonwheels• Dualhandpumpsfortest&packerpressurisation• Lightweighttransportcase• Laboratory test frame included• Dualchartrecordersystemwithmechanical&

removableelectronicrecorder&powerpack• Twinhydraulichosemountedonheavyduty

steel reel

• Robust&Reliable• Operatesathighpressures• Impressiontoolwithintegratedelectronic

compassfororientation• Operationaldepthofrequest• ISversion• Largersizepackersavailableonrequest

FEATURESAPPLICATIONS

GEOSYSTEMS141 PALMER STREET RICHMOND, VIC 3121T +61 3 8420 8950 F + 61 8420 8900GEOSYSTEMS.COM.AU A division of ESS Earth Sciences Pty Ltd, ACN 006 058 395

OPERATING PRINCIPLE

The Geosystems CSIRO* Minifrac system is a low cost Hydraulic Fracturing tool for determiningstressinapplicationswhereaquickaquick2Dmeasurementissufficient.Hydraulicfracturingmeasuringtechniquesproduceabiaxialstressmeasurement.

TheMinifracsystemhasbeenusedforstressdeterminationprojectsincludingtheM5TunnelsSydneyAustralia,theMacArthurRiverMineNTAustralia,TorinoLimestoneCavernsTorinoItalyandtheNationalInstituteofRockMechanicsIndia.TheCSIROMinifracsystemissuitableforuseinCollieries.Ourstandarddualrecordersystemsfeaturesaquickreleaseremoveableelectronic&powerpackforoperationsindangerousenvironments.TheMinifracdoesnotcontainaluminiumorplastic,makingitconduciveforoperationinexplosiveenvironments.

Hydraulicfracturinginvolvestheisolationofpartofaboreholeusinganinflatablestraddlepackerandthesubsequentpressurisationoftheholeuntilthewallrockfractures.Ifanaxialfractureisproduced,thepressurerecordobtainedduringthetestcanbeusedtodeterminethemagnitudesofthesecondaryprincipalstressesintheplanenormaltothetestholeaxis.TheMinifracSystemissuppliedinarobusttransportationcase.Thesystemhasbeendesignedtobeselfcontainedandeasilytransportedtositeinanundergroundmine.Systemoptionsincludebothrecordertypes.Mechanical/electronicchart/electronicchartwithdataloggerandadditionalhosefordeepertesting.

MINI FRAC TOOL

DIAMETER 36mm TYPE Handpumps-2stage

OVERALL LENGTH 620mm (2xenerpacpumps)

TEST SECTION LENGTH 160mm MAX PRESSURE 40MPa

WEIGHT 2.4kg MAX FLOW RATE 200ml/min

MAX PACKER PRESSURE(IDEALTESTCONDITIONS)

35MPa TANK CAPACITY FLUID 4 LitreWater/solubleoilbiodegradable oil

IMPRESSION PACKER

DIAMETER OF COLLARS 36mm

DIAMETER OF PACKER 34mm

DIAMETER WHEN WRAPPED

37mm

OVERALL LENGTH 620mm

ACTIVE LENGTH 500mm

WEIGHT 2.5kg

MAX PACKER PRESSURE(IDEALTESTCONDITIONS)

Typicallygreaterthan20MPa

LAB LOAD

HYDRAULIC CYCLINDER Enerpacminicyclinder

MAX PRESSURE 35MPa

CORE LENGTHS Max100mm

MINI FRAC MODULE

L X W X H

WEIGHT WITH COVER 102kg

WEIGHT WITHOUT COVER 60kg

WEIGHT OF REEL WITH 00M HOSE

48kg

TECHNICAL SPECIFICATIONS

MINI FRAC MODULE (PRESSURISATION&RECORDING SYSTEM

Compromising:• TransportationCase• HydraulicTankWithDualHandPumps• InstrumentPanelWithTest&PackerManifolds• 2XPressureGauges(40MPa)• MechanicalChartRecorder&PressureTransducers• 2XVentValves• 2XTest&PackerHoses(5mEach)• OperationManual&InterpretationGuide• SparesKit• Laboratory Test Frame

DOWNHOLE EQUIPMENT

• 2FracturingTools• 2ImpressionToolsWithIntegratedDigitalCompass• 1TestPipe• 100mTwinHydraulicHoseWithReel