Ptr Minerals Limited · ASX:PTR
Ptr Minerals — Petratherm — World Geothermal Congress 2010
17 slides from Ptr Minerals's conference presentation, Apr 30, 2010
Slide 1: Developing Large Scale, Base Load EGS Power - The Paralana Project, South Australia
For personal use only Developing Large Scale, Base Load EGS Power -The Paralana Project, South Australia World Geothermal Congress 2010 Authors: Peter W. Reid, Betina R. Bendall, and Louise McAllister Thursday, April 29, 2010
Slide 2: Disclaimer
Disclaimer For personal use only This presentation has been prepared by Any forward-looking statements included in Petratherm makes no representation or Petratherm Limited (Petratherm). The this document involve subjective judgment warranty as to the accuracy, reliability or information contained in
Slide 3: Exploring for Heat – Paralana Project
Exploring for Heat – Paralana Project For personal use only 62uWm-3 22uWm-3 Insulator Up to 20 times normal granite: average = 8 times Permian Mt Painter Basement Adelaidean Curnamona Mt Painter Basement Basement Normal basement Early modelling indicated 180oC - 200oC at approximately 4 km
Slide 4: Poontana Basin heat flow and modeled temperatures
Poontana Basin For personal use only 109oC Heat flow of 113 mWm-2 Modeled 180oC-200oC at ~ 4 km (Seismic Line 84 SPG)
Slide 5: Development Model – Heat Exchanger Within Insulator
Development Model – Heat Exchanger Within Insulator For personal use only Higher Permeability Chemically Stable Lower Frac Challenge? Adelaidean – bedding / joint surfaces = Cheaper Power!
Slide 6: Paralana Project – Commercial Overview
Paralana Project – Commercial Overview For personal use only Commercially viable at all stages. Small off grid market (5-30MWe) (Heathgate) followed by large on grid development (260 MWe+) Expenditure well leveraged for proof of concept, then potentially fully funded to initial commercial demonstrat
Slide 7: Passive Seismic Array
Passive Seismic Array For personal use only MEQ - Array Managed by IESE
Slide 8: Recording Period April – June
Recording Period April 08 – June 09 For personal use only
Slide 9: Pre-stimulation Seismic Events
Pre-stimulation Seismic Events For personal use only Recording Period April 2008 – June 2009 Array detecting small events
Slide 10: Paralana – Drilling
For personal use only Paralana 2 – Drilling New Weatherford Owned 2000HP Le Tourneau Lightning Rig 57 metres high ~ 10 Stories Arrived at Port Pirie 11 May 09 85 Semi-Trailer Loads Spudded June 30, 2009
Slide 11: Paralana - Operations
Paralana 2 - Operations For personal use only Petratherm/Beach – extensive stakeholder and community consultation – Adnyamathanha Community, Beverley Uranium Mine , Epic Pipe line, Arkaroola Village Beach Petroleum – Manager of Drilling Operations HSE - no lost time injuries Only minor shake down is
Slide 12: Scenario Planning vs. Murphy's Law
Scenario Planning vs. Murphy’s Law For personal use only
Slide 13: Paralana – Drilling
For personal use only Paralana 2 – Drilling Very Hard Rock Formations – slow ROP 1-3 m/hr Tested several BHA arrangements to optimise ROP
Slide 14: Paralana - Drilling Completed to 4012 M – Nov 2009
Paralana 2 - Drilling Completed to 4012 M – 9 Nov 2009 For personal use only First well designed following low-risk, standard operating methods Steady but slow drilling due to hard formations Conservatively drilled to ensure success to 4012m Wireline and LWD logging completed Well cased and cemented
Slide 15: Paralana – Reservoir Characteristics
Paralana 2 – Reservoir Characteristics For personal use only Inflow zones from 3690m Zr dataing confirms old 1590Ma Reservoir Sequence Contains numerous fractures and faults High pressure geothermal brines intersected 2D Seismic suggests fractured reservoir sequence is regionally extensive
Slide 16: Current Planned Future Work Program
Current Planned Future Work Program For personal use only 2nd Qtr 2010: Perforation and Injectivitiy test 3rd Qtr 2010: Fracture stimulation – link into over pressured zone! 4th Qtr 2010/1st Qtr 2011: Drilling of the Paralana 3 deep producer well 2nd Qtr 2011: Circulation Test – Proof of Concept Lat
Slide 17: www.petratherm.com.au
For personal use only www.petratherm.com.au