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PESA NSW December 2017 Christmas Party

Thursday, December 7, 2017 @ 12:00 - 15:00

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Guest Speaker: Andre Coffa

Andre A Coffa has a PhD in basin analysis, sedimentology and stratigraphy. He has twenty years’ experience in the energy sector beginning his career with Shell International’s research labs. He subsequently worked in deep water exploration, onshore development, near shore appraisal in diverse operating countries such as the USA, Egypt, Oman, The Netherlands, Malaysia and Brazil. He has conducted Play Based Exploration studies for large, medium and small companies in the Middle East, Brazil, Indonesia, The Philippines, Australia, New Zealand and Myanmar. He is currently Principal Exploration Geologist for Bridgeport Energy, focusing on the onshore Cooper-Eromanga, Surat and Otway basins of Australia.

Academic Degrees

  • 1997: Ph.D. Geology; Monash University, Australia in conjunction with the Russian Academy of Sciences, Moscow, Russia
  • 1993: B.Sc. Geology; Zoology, Monash University, Australia


  • 2014-Present: Bridgeport Energy, Lead Exploration Geologist, Australia
  • 2013-14: RMA Energy, Geosciences Manager, Manila, Philippines
  • 2011-13: Cue Energy Resources, Senior Geologist and Operations, Australia
  • 2009-11: Benaris Group, Lead Geoscientist, Australia, Indonesia, Malaysia
  • 2007-15: Monash University, Honorary Research Fellow, Australia
  • 2006-09: Royal Dutch Shell, Senior Geologist, Santos Basin, Brazil
  • 2005: Royal Dutch Shell, Geoscience FDP Lead, Gumusut Development, Malaysia
  • 2004: Royal Dutch Shell, Development Geologist, Pinedale Development Team, Rocky Mountain, Denver, Colorado, USA
  • 2002-03: Royal Dutch Shell, Appraisal Geologist, Great White Appraisal Team, Houston, Texas, USA
  • 2000-01: Royal Dutch Shell, Exploration Geologist, GoM New Ventures Team, Houston, Texas, USA
  • 1997-99: Royal Dutch Shell, Geologist, Turbidite Research Team, Rijswijk, Netherlands

PESA NSW Christmas Party Thursday 7th December 2017

Presented by Dr Andre Coffa

Toolebuc’ing the Trend of Unconventional Shale Analysis with Play Based Exploration


The Early Cretaceous Toolebuc Formation shale is laterally extensive throughout most of the Eromanga and Carpentaria Basins. The unit is reputedly one of the richest source rocks in Australia, which would make it ideal as an unconventional shale play. When penetrated in wells, high mud gas and drilling cuttings fluorescence is observed. As a result, E&P companies have considered the Toolebuc as a potential unconventional play for years. Several regional assessments have focussed on mapping depth, thickness, maturity, total organic carbon (TOC), mineralogy, and gas composition. A majority of these assessments have found the shale to be immature, possibly due to the formation being shallower than 800 meters (SS) through most of its extent.  Hence, the trend up to this point has been to ignore the Toolebuc as an exploration target.

Recent studies and well penetrations closer to the centre of the underlying Cooper Basin have shown the Toolebuc to be deep and thick enough to be mature and prospective as an unconventional shale play target. In order to effectively explore for and develop the huge potential resource, highly prospective regions of the Toolebuc play trend must be tested. The best way to effectively target the extensive Toolebuc formation is through “sweet spot” mapping. The ‘play-based exploration’ methodology, usually reserved for conventional plays, can be adapted for the evaluation of unconventional resources. This approach can be used to effectively identify “sweet spots” and results in ‘chance-of-success’ maps for hydrocarbon generation, retention, and pore volume. The resultant maps can be combined with other maps (i.e., surface access, suitability for stimulation, etc.) to assess the best areas to explore and test this potentially prolific unconventional hydrocarbon reservoir.

Date & Time:      
Thursday 7th December, 12pm for a 12:30pm start.

PESA Members:                               $55.00 (Members must Log on to the PESA website to see the member prices)

Non-members:                                 $70.00

PESA Students Members:              $10.00 (Members must Log on to the PESA website to see the member prices)

Castlereagh Boutique Hotel, 169 Castlereagh St, Sydney, NSW

Bookings close Monday 4th December 2017 for venue and catering purposes.


Thursday, December 7, 2017
12:00 - 15:00


Castlereagh Boutique Hotel
169 Castlereagh St, Sydney, NSW 2000 Australia
+ Google Map
+61 2 9284 1000


PESA NSW Secretary
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