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PESA QLD: Evening Presentation, 21st April – Dr Grazia Gargiulo & Dr Julie Pearce

Thursday, 21 April, 2022 @ 5:00 pm - 7:00 pm (Australia/Brisbane time)

$15.00 – $45.00

Guest Speaker(s): Dr Grazia Gargiulo & Dr Julie Pearce

    Dr Grazia Gargiulo, Terra Sana Consultants Dr Grazia Gargiulo is a consultant with more than 15 years’ experience in the oil and gas industry. Grazia specialises in gas risk assessment including compliance and legal investigations, transport of contaminants in gaseous system, and gas safety in the Coal Seam Gas (CSG) industry. Grazia’s experience includes working with and for international research centers and universities, international consulting firms and state government agencies. With this strong background of experience, Grazia decided to commence her journey to shape the future of the industry in Australia founding Terra Sana Consultants, an environment, health and safety consulting firm that focuses on innovative solutions for the oil and gas industry.   Dr Julie Pearce, University of Queensland Centre for Natural Gas, and School of Earth and Environmental Sciences Dr Julie Pearce is a geochemist with international experience in the UK, Japan, and Australia on interdisciplinary projects.  She is currently a Research Fellow with the University of Queensland Centre for Natural Gas, and School of Earth and Environmental Sciences.  Pearce has worked with the CO2CRC and ANLEC R&D to understand the potential impacts of CO2 storage.  Pearce is an expert on gas-water-rock interactions with a focus on the Surat Basin, QLD, Australia. She is additionally working on field monitoring techniques for measurement of methane and understanding its sources through isotopic techniques, and additionally geochemical processes in gas and oil shale.  Pearce has published 40 articles in peer reviewed international journals, including three in the top 3% cited for the field of geochemistry.  She has collaborated in research projects with Dirk Kirste, SFU, Canada, Arrow Energy, Origin, Santos, CTSCo Pty Ltd, and provided expert opinion to the Queensland Government.  Pearce has secured over $ 4.8 million in nationally and internationally competitive funding.    

This event has been postponed.

Refunds will be organised for those who have already booked.

This month, PESA QLD is happy to welcome  Dr Grazia Gargiulo & Dr Julie Pearce to present an evening technical talk entitled “Quantification of Gas in Groundwater”.

The Evening Presentation will be held at the Transcontinental Hotel, on the Platform level with drinks and finger food served in the Dining Hall and Deck Area.

Please note the Early Bird ticket pricing cut-off times described below.

Presentation: Quantification of Gas in Groundwater
Venue: Transcontinental Hotel,  482 George Street, Brisbane QLD 4000
Platform Level
Date & Time: Thursday, 21st April 2022,    5:00 pm

 

Presentation Abstract:

Quantification of Gas in Groundwater

Baseline bore assessments suggest the use of a gas stripper or separator, or filling an inverted container in a bucket to measure gases such as methane, referring to documentation from 13+ years ago.  Current standard bore monitoring however often tends to involve the simple filling of a vial container with water, with the methane extracted in the lab for measurement.  However akin to opening a can of coke, dissolved gases can desorb and escape to atmosphere when pumped from depth.

Gas and water samples were collected from coal seam gas (CSG) wells, and from aquifer and alluvium water bores in the Surat Basin.  We collected samples for methane concentrations with three methods in the field: vials, IsoFlasks, and the Terra Sana gas-water separator.  We found that the currently used “open” vial sampling method may lose gases to atmosphere and be underestimating gas concentrations especially in gassy bores.   

In addition, stable isotopes of gases and waters, and other isotopic tracers were measured to understand sources of methane.  The majority of the sampled water bores had methane, CO2 and water stable isotopic signatures distinct from CSG wells, suggesting methane was produced in-situ. However, a minority of samples from gassy bores could not be clearly distinguished from CSG signatures, and methane migration could not be ruled out.

 

                                Terra Sana Consultants

 

Tickets can be purchased below.

Please be advised of the early bird cut-off date.

Early bird pricing will remain available up until

Wednesday, 13th of April, 5:00 PM

after which, standard pricing will come into effect.

Final numbers to venue required by

Monday, 18th of April, 12:00 PM

To avoid disappointment please register before that date and time.

 

Early Bird Ticket Price Standard Ticket Price
PESA Members – $30
Non-Members – $35
Student / Retired Members – $15		 PESA Members – $35
Non-Members – $45
Student / Retired Members – $15

 

 

 

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Click here to view PESA QLD Events Calendar on the webClick here to subscribe to PESA QLD Events by adding it to your Google Calendar

 

Details

Date:
Thursday, 21 April, 2022
Time:
5:00 pm - 7:00 pm
(Australia/Brisbane time)
Cost:
$15.00 – $45.00
Event Categories:

    • Organiser

    PESA QLD Branch
    Email:
    qld-treasurer@pesa.com.au

    Venue

    Transcontinental Hotel
    482 George Street
    Brisbane, QLD 4000 Australia     + Google Map
    View Venue Website

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