Residual Oil Zones: Review of current practice and experience

This Record forms part of a study under the Exploring For The Future (EFTF) program (2020-2024). The Residual Oil Zone Project was designed to understand and identify residual oil zones in Australia, with the aim of developing this potential hydrocarbon and CO2 geological storage resource through CO2–Enhanced Oil Recovery. The work presented here is a collaborative study between Geoscience Australia and GeoGem Consultants.


Residual Oil Zones (ROZ) represent a new and potentially viable oil resource for Australia, while at the same time providing a means to use and store carbon dioxide (CO2) through the application of CO2 enhanced oil recovery (CO2-EOR). These naturally water-flooded and water-saturated reservoirs, which contain a moderate amount of residual oil, can be associated with conventional fields (brownfields) or occur with no associated main pay zone (greenfields). Both types of ROZ are currently produced commercially through CO2-EOR in the USA, and are of growing interest internationally, but have not yet been explored in Australia.


CO2-EOR has been in widespread practice in the USA since the oil shocks of the 1970’s. While tertiary CO2 injection usually targets oil remaining in fields that have been subject to water-flooding, there has been a parallel adoption of practices to recover vast amounts of paleo-oil that existed when many of these reservoirs were much fuller, before relatively recent (in geologic time) events caused structural and seal changes, resulting in natural water-flooding and/or migration of much of the oil out of the reservoir. The Permian Basin in Texas contains many examples where such Residual Oil Zones (ROZ’s) were found beneath conventional oil reservoirs. These ROZ are unproductive to conventional water flood operations but offer the possibility of an extra 9-15% recovery (of the ROZ OIP at discovery). This work reviews the lessons or insights that can be gained from the USA regarding ROZ field developments.

Simple

Identification info

Date (Creation)
2021-11-09T11:00:00
Date (Publication)
2022-05-05T05:44:54

Identifier

Codespace

Geoscience Australia Persistent Identifier

Cited responsible party
Role Organisation / Individual Name Details
Publisher

Commonwealth of Australia (Geoscience Australia)

 Voice
Purpose

Publication as GA Record for EFTF AFER Project Module 3 - CO2-EOR and Residual Oil Zones.

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

Kalinowski, A.

 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
2021-11-09 2021-11-09
Maintenance and update frequency
As needed

Resource format

Title

Product data repository: Various Formats

Protocol

FILE:DATA-DIRECTORY

Name of the resource

Data Store directory containing the digital product files

Description

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

Project

  • enhanced oil recovery

Project

  • residual oil zone

Project

  • energy resources

Project

  • CO2 storage

Project

  • CCS

Keywords

  • Enhanced oil recovery,

Keywords

  • CCS

Keywords

  • residual oil zone

Keywords

  • CCUS

Keywords

  • CO2

theme.ANZRC Fields of Research.rdf

  • Petroleum and Coal Geology

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

Associated resource

Association Type
Generated
Title

HPRM Product Management

Citation identifier
D2021-66957

Website

URL Link to D2021-66957

Link to HPRM Document

Associated resource

Association Type
Series
Title

CO2-EOR Storage Methodology for Residual Oil Zones

Citation identifier
145932

Citation identifier
82db9c63-47d2-46eb-95ed-e835e1fae5dd

Website

https://pid.geoscience.gov.au/dataset/ga/145932

Link to eCat metadata record landing page

Language
English
Character encoding
UTF8

Resource lineage

Statement

This record is based on a report completed by GeoGem Consultants, commissioned for the EFTF AFER Project Module 3 - CO2-EOR and Residual oil zones.

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/27e9f565-01dd-4ca3-9fd8-fa9f8df80183

Title

GeoNetwork UUID

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

Kalinowski, A.

 Internal Contact
Point of contact

Commonwealth of Australia (Geoscience Australia)

 Voice

Type of resource

Resource scope
Dataset

Alternative metadata reference

Title

Geoscience Australia - short identifier for metadata record with

uuid

Citation identifier
eCatId/146077

Metadata standard

Title

AU/NZS ISO 19115-1:2014

Metadata standard

Title

ISO 19115-1:2014

Metadata standard

Title

ISO 19115-3

 
 

Spatial extent

N
S
E
W


Keywords

CCS CO2 storage energy resources enhanced oil recovery residual oil zone
theme.ANZRC Fields of Research.rdf
Petroleum and Coal Geology

Provided by

Access to the portal

Associated resources

Not available