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Compositional Kinetics for the Lower Cretaceous Eumeralla Formation, Otway Group, Otway Basin, Australia

Geoscience Australia currently uses two commercial petroleum system modelling software packages, PetroMod https://www.software.slb.com/products/petromod and Zetaware http://www.zetaware.com, to undertake burial and thermal history modelling on wells in Australian sedimentary basins. From the integration of geological (age-based sedimentary packages, uplift and erosional events), petrophysical (porosity, permeability, and thermal conductivity) and thermal (downhole temperature, heat flow, vitrinite reflectance, and Tmax) input data, to name the most significant, a best-fit model of the time-temperature history is generated. Since the transformation of sedimentary organic matter (kerogen) into petroleum (oil and gas) is a chemical reaction, it is governed by chemical kinetics i.e. time and temperature (in the geological setting, pressure is of secondary importance). Thus, the use of chemical kinetics associated with a formation-specific, immature potential source rock (where available) from the basin of interest is considered a better practical approach rather than relying on software kinetic defaults, which are generally based on the chemical kinetics determined experimentally on Northern Hemisphere organic matter types.


As part of the Offshore Energy Systems program hydrocarbons from the Lower Cretaceous Eumeralla Formation were selected where available from onshore wells; compositional kinetics (1-, 2-, 4- and 14-component (phase) kinetics) were undertaken by GeoS4, Germany. The phase kinetics approach is outlined in Appendix 1. This report provides the compositional kinetics for potential source rocks from the Lower Cretaceous Otway Group, Otway Basin, Australia. The kinetic data were used in the offshore petroleum system modelling reported in Schenk et al. (2021).

Simple

Identification info

Date (Creation)
2021-10-15T11:00:00
Date (Publication)
2022-03-28T05:53:10
Citation identifier
Geoscience Australia Persistent Identifier/https://pid.geoscience.gov.au/dataset/ga/145962

Citation identifier
Digital Object Identifier/http://http://dx.doi.org/10.11636/Record.2021.039

Cited responsible party
Role Organisation / Individual Name Details
Publisher

Commonwealth of Australia (Geoscience Australia)

Voice
Author

Horsfield, B.

GEOS4 GmbH External Contact
Author

Boreham, C.J.

External Contact
Author

Edwards, D.S.

External Contact
Author

di Primo, R.

GEOS4 GmbH External Contact
Author

Tiem, V.

External Contact
Author

Mahlstedt, N.

GEOS4 GmbH External Contact
Name

Record

Issue identification

GA RECORD 2021/039

Purpose

Data release of kinetic data from the Otway Basin

Status
Completed
Point of contact
Role Organisation / Individual Name Details
Point of contact

Edwards, D.

Internal Contact
Resource provider

Minerals, Energy and Groundwater Division

External Contact
Point of contact

Commonwealth of Australia (Geoscience Australia)

Voice
Spatial representation type
Topic category
  • Geoscientific information

Extent

N
S
E
W


Temporal extent

Time period
2021-10-15 2023-10-16
Maintenance and update frequency
As needed

Resource format

Title

Product data repository: Various Formats

Website

Data Store directory containing the digital product files

Data Store directory containing one or more files, possibly in a variety of formats, accessible to Geoscience Australia staff only for internal purposes

Project
  • Offshore Energy Systems

Keywords
  • Otway Basin

Keywords
  • Bulk kinetics

Keywords
  • Compositional Kinetics

theme.ANZRC Fields of Research.rdf
  • Organic Geochemistry

  • Exploration Geochemistry

Keywords
  • Published_External

Resource constraints

Title

Creative Commons Attribution 4.0 International Licence

Alternate title

CC-BY

Edition

4.0

Website

http://creativecommons.org/licenses/

Access constraints
License
Use constraints
License

Resource constraints

Title

Australian Government Security Classification System

Edition date
2018-11-01T00:00:00
Website

https://www.protectivesecurity.gov.au/Pages/default.aspx

Classification
Unclassified
Language
English
Character encoding
UTF8

Distribution Information

Distributor contact
Role Organisation / Individual Name Details
Distributor

Commonwealth of Australia (Geoscience Australia)

Voice
OnLine resource

Download Record (pdf) [1.6 ]

Download Record (pdf) [1.6 ]

Distribution format
  • pdf

    File decompression technique

    none

OnLine resource

Download Appendix 2 (xls) [129 KB]

Download Appendix 2 (xls) [129 KB]

Distribution format
  • xls

    File decompression technique

    none

Resource lineage

Statement

Geoscience Australia laboratory data and external contractor GEOS4 generated data for public release

Metadata constraints

Title

Australian Government Security Classification System

Edition date
2018-11-01T00:00:00
Website

https://www.protectivesecurity.gov.au/Pages/default.aspx

Classification
Unclassified

Metadata

Metadata identifier
urn:uuid/e9f15b2a-a4cc-410a-9ddd-0e910d5efc47

Title

GeoNetwork UUID

Language
English
Character encoding
UTF8
Contact
Role Organisation / Individual Name Details
Point of contact

Edwards, D.

Internal Contact
Point of contact

Commonwealth of Australia (Geoscience Australia)

Voice

Type of resource

Resource scope
Document
Name

GA Publication: GA Record

Alternative metadata reference

Title

Geoscience Australia - short identifier for metadata record with

uuid

Citation identifier
eCatId/145962

Metadata linkage

https://ecat.ga.gov.au/geonetwork/srv/eng/catalog.search#/metadata/e9f15b2a-a4cc-410a-9ddd-0e910d5efc47

Date info (Creation)
2022-03-28T01:39:50
Date info (Revision)
2022-03-28T01:39:50

Metadata standard

Title

AU/NZS ISO 19115-1:2014

Metadata standard

Title

ISO 19115-1:2014

Metadata standard

Title

ISO 19115-3

Title

Geoscience Australia Community Metadata Profile of ISO 19115-1:2014

Edition

Version 2.0, September 2018

Citation identifier
https://pid.geoscience.gov.au/dataset/ga/122551

 
 

Spatial extent

N
S
E
W


Keywords

Offshore Energy Systems
theme.ANZRC Fields of Research.rdf
Exploration Geochemistry Organic Geochemistry

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