Ptr Minerals Limited · ASX:PTR
Ptr Minerals — Petratherm — Australian Geothermal Energy Conference 2012
29 slides from Ptr Minerals's conference presentation, Nov 15, 2012
Slide 1: Exploration Manager presents to the annual Australian Geothermal Energy Conference
ASX Release PETRATHERM LIMITED ABN 17 106 806 884 For personal use only Exploration Manager presents to the annual Australian Geothermal Energy Conference Petratherm’s Exploration Manger, Peter Reid will present later today at the annual Australian Geothermal Energy Conference in Sydney. The attache
Slide 2: For personal use only
Yours faithfully Terry Kallis For personal use only Managing Director MEDIA CONTACTS: Terry Kallis Petratherm Ltd 08 8274 5000 Kieran Hall / Tim Hughes Hughes Public Relations 08 8412 4100
Slide 3: The Paralana Engineered Geothermal Project – Results of the Hydraulic Fracture Stimulation
The Paralana Engineered Geothermal Project – Results of the Hydraulic Fracture Stimulation Reid P.W., Messieller M, Hasting M. and Albaric J. For personal use only Australian Geothermal Energy Conference, November 2012 Exploring for Sustainable Energy
Slide 4: Disclaimer and competent persons statement
Disclaimer and competent persons statement Disclaimer Any forward-looking statements included in Petratherm makes no representation or For personal use only this document involve subjective judgment warranty as to the accuracy, reliability or This presentation has been prepared by and analysis and a
Slide 5: Petratherm overview
Petratherm overview For personal use only Our company > Projects spanning Australia, Spain and China > Projects across the spectrum of geothermal technology > Flagship project – Paralana in SA’s northern Flinders Ranges >
Slide 6: Paralana Geothermal Project – The Clean Energy Precinct
Paralana Geothermal Project The Clean Energy Precinct Prominent ® Hill Olympic 5a i ean Energy Precinct Gas Pipeline Transmission Lines MiningDevelopments = > > ~~ Planned 300MW connections i 275 KV j 132KV i 00k i @ Paralana2 1 3 q
Slide 7: Petratherm Project Areas
Petratherm Project Areas For personal use only Northern Flinders Ranges (JV with Beach Energy) Lake Frome
Slide 8: Paralana Hot Springs – 62oC
Paralana Hot Springs – 62oC For personal use only
Slide 9: Paralana Independent Resources Statement – Nov 2011
Paralana Independent Resources Statement – Nov 2011 For personal use only Depth Interval Inferred (PJth) Indicated (PJth) Measured (PJth) Total (PJth) (metres) <3,500 2,400 1,100 3,500 3,500 - 4,000 4,900 4,400 41 9,300 4,000 - 4,500 5,900 5,700 12,000 4,500 - 5,000 6,900 6,700 14,000 Total (PJth) 2
Slide 10: Resource Development Model – HEWI and FABBI
Resource Development Model – Heat Exchanger Within Insulator (HEWI), and Fractures at Basin-Basement Interface (FABBI) For personal use only Targeting Fracture Permeability in › Mesoproterozoic metasediments - bedding / joint surfaces (HEWI model) › Fracture Permeability at Basin / Basement Interfac
Slide 11: 2D seismic interpretation suggests faults and fractures may be regionally extensive
2D seismic interpretation suggests faults For personal use only and fractures may be regionally extensive below a thick quartzite sequence
Slide 12: Paralana – Drilling
For personal use only Paralana 2 – Drilling New Weatherford Owned 2000HP Le Tourneau Lightning Rig 57 metres high ~ 10 Stories 85 Semi-Trailer Loads Spudded June 30, 2009
Slide 13: Paralana well summary
Paralana 2 well summary For personal use only › Depth 4003m (G.L. A.H.D.) › Well cased and cemented to 3725m › Extrapolated bottom hole temperature ~ 190oC › High pressure geothermal brines intersected from 3680m › Zircon dating confirms 1585 ± 11 Ma Reservoir Sequence › Contains numerous fractures
Slide 14: Paralana – Brine Intersected
Paralana 2 – Brine Intersected For personal use only > High torque, intervals of high ROP’s, drilling breaks and increase in well bore deviation > Inflow of over-pressured geothermal brines between 3670 - 3864 m > Shut in pressure indicated ~ 3,300 psi, of overpressure and mud system weighted up to
Slide 15: Passive seismic array
Passive seismic array For personal use only > MEQ - Array Managed by IESE > 1 deep borehole sonde at 1800m in Paralana 1b > 6 borehole sondes ~ 200m > 10 surface seismometers > 4 accelerometers
Slide 16: Injectivity test – January 2011
Injectivity test – January 2011 For personal use only › 15000 litres injected › Pressure ~ 8700 psi › Rates ~ 1.3 and 5.3 l/sec › WHP ~ 4000 psi › > 140 MEQ › Magnitude -1 to 1 (RS) The fracture array cloud measured by the array indicated that it extended 300m by 200m and was approximately 130m thic
Slide 17: Fracture Stimulation – Key Statistics
Fracture Stimulation – Key Statistics For personal use only › 3.1 million litres injected › Injection rates: 3.2 - 27 l/sec › Equilibrium WHP prior and post operation 3940 psi. › Acid treatments allow higher pumping rates. › Sand proppant successfully placed Photo: courtesy Advertiser, July 2011 at
Slide 18: Fracture Stimulation – Pressure and flow rate
Fracture Stimulation – Pressure and flow rate For personal use only Note - This pressure rise is only at surface, not downhole
Slide 19: Paralana – Pumping Day – 2nd Acid Injection
Paralana – Pumping Day 2 – 2nd Acid Injection – 100 bbl 1% HCL For personal use only
Slide 20: Micro-seismic events – main fracture
Micro-seismic events – main fracture For personal use only › MEQ array successfully recorded micro-seismicity: › 11,000 events triggered and located by MIMO › 4,351 events handpicked › Ground motion – acceleration and velocity – always within the safe limits established in the risk management plan.
Slide 21: Induced Seismicity
Induced Seismicity For personal use only •Seismic moment dominated by 4 events •Occuring during fluid injection Data courtesy of J. Albaric of NORSAR
Slide 22: Induced Seismicity
Induced Seismicity For personal use only > Good correlation between predicted and actual seismicity Data courtesy of J. Albaric of NORSAR
Slide 23: Frac and post frac seismic events
Frac and post frac seismic events For personal use only Data courtesy of Hasting Micro-Seismic Consulting End of Frac Events Per Day Flow Test August September October November
Slide 24: Fracture network
Fracture network For personal use only > Focal mechanisms of 4 events (Mw 2.4-2.5) indicate reverse faulting > Fault plane of main event (Mw 2.5) dipping toward the north Data courtesy of J. Albaric of NORSAR
Slide 25: Micro-seismic events
Micro-seismic events N For personal use only 3,200m 4,200m View North 3,200m 10-15 July Injection Data = Red 4,200m 15 July to 29 October 2011 Post Injection Data = Green View West Data courtesy of Hasting Micro-Seismic Consulting
Slide 26: Paralana – Fracture Stimulation
Paralana – Fracture Stimulation For personal use only > A complex frac shape – creating a 3D volume rather than along a plane, which may allow a high heat recovery factor 3,200m > Natural fractures and brines present > The fractured volume is an enhancement of the naturally fractured system > Reserv
Slide 27: Paralana Flow Test, Oct 2011
Paralana Flow Test, Oct 2011 For personal use only > 1.28 million litres produced > Flow rate – 1 – 6 litres/sec > Bottom 200 metres - well fluid temperature 171oC
Slide 28: Key milestones for the Paralana geothermal project
Key milestones for the Paralana geothermal project For personal use only Paralana JV project planned milestones > 3rd Qtr 2011: Main fracture stimulation > 3rd Qtr 2011 : Flow test > 2nd half 2013: drilling of the Paralana 3 deep producer well > Early 2014: Large scale hydraulic stimulation work
Slide 29: For personal use only
For personal use only
Petratherm — Australian Geothermal Energy Conference 2012 on 6ix