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PESA SA/NT March Technical Luncheon – The Story of the Rundle Oil Shale (for far).

Thursday, 24 March @ 12:00 pm - 1:30 pm (Australia/Adelaide time)

$25.00 – $75.00

Guest Speaker(s): Andrew McKerron

Andrew McKerron is currently employed by Beach Energy working the Cooper Basin Joint Venture. Prior to joining Beach he spent 29 years with ExxonMobil in Melbourne, Jakarta, Houston and London, working on exploration and production projects all over the world. His primary interests are basin analysis, sequence  stratigraphy and reservoir quality prediction.

The Story of the Rundle Oil Shale (for far).

Presented by: Andrew McKerron
Beach Energy

 

Abstract:

The Rundle Oil Shale is an Eocene lacustrine oil shale deposit, contained within a narrow half graben in Central Queensland. Although the deposit was discovered in 1890, serious delineation did not occur until the 1980s, when over 300 wells and 27,000m of core were obtained.

Published resource estimates at the time indicated a probable resource of over 2.5 Billion barrels with an average yield of 105 litres/tonne. Despite numerous pilot projects (including an open cut mine and a purpose built retort), the project could never be commercialised as a mining venture. Subsequent studies focussed on in-situ pyrolysis and well-based recovery techniques, but these did not progress beyond pilot projects either. The deposit is now owned by QER, who also own the adjacent Stuart Oil Shale deposit with its own mine and functioning retort (and visitor centre).

Geological material obtained during delineation of the oil shale provides a unique insight into the stratigraphy and source potential of low latitude, syn-rift, lacustrine shales. The nearly 1000m of lacustrine deposits consist of a classic “lake sandwich”, transitioning from over-filled lacustrine and peat deposits, to balance-filled deposits (that contain the oil shale) and then to an under-filled/evaporitic sequence with limited source potential. The cycle then reverses as the half graben is gradually filled and capped by more peat/coal. Detailed stratigraphic studies reveal that the deposit is composed of numerous sequences 2-3m thick that record cycles of exposure/desiccation and subsequent flooding, with a corresponding variation in fauna, bioturbation, clay content and lake chemistry. Numerous vertebrate remains have been recovered from the deposit, including crocodile, turtle and fish remains. Source studies identified two algal maceral types; a Botryococcus-dominated telalginite and a Pediastrum-dominated lamalginite. From a conventional geochemical perspective, the deposit averages 14%TOC and is a classic type-I, oil-prone, lacustrine shale with high HI’s and limited terrigenous contamination.

Event Details:

Thursday, 24th March 2022
Luncheon: 12 pm for a 12:30 pm start

Place: Ayer’s House, 288 North Tce, Adelaide

Includes a 2-course lunch and drinks

Tickets:
Student Members – $25
Members – $60
Non-members – $75

Bookings close 5pm Monday, 21st March.
Any late bookings will incur an additional $50 fee. Strictly no walk-ins.

Sponsor: Beach Energy, Santos, Vintage Energy, and the Department for Energy and Mining (Government of South Australia)

Speaker:

Details

Date:
Thursday, 24 March
Time:
12:00 pm - 1:30 pm
(Australia/Adelaide time)
Cost:
$25.00 – $75.00
Event Categories:
  • Venue

    Ayers House – Ballroom
    288 North Terrace
    Adelaide, South Australia 5000
    Website:
    http://ayershouse.com.au/

    Organiser

    PESA SA/NT

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