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
