Economic Potential of DACCS and Global CCS Progress
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UNDISCOVERED
DISCOVERED
COMMERCIAL
TOTAL STORAGE RESOURCES
PROSPECTIVE
SUB-COMMERCIAL
CONTINGENT
CAPACITY
INJECTED
FINAL INVESTMENT DECISION
Have the storable quantities
Y
Y
Is the project actively injecting?
Does the project have all the
been injected into the formation?
N
necessary approvals for development?
ECONOMIC VIABILITY
→ →
333
YH STORED
ON INJECTION
APPROVED FOR DEVELOPMENT
NJUSTIFIED FOR DEVELOPMENT
YDEVELOPMENT PENDING
Can a commercial development be
progressed without a significant delay?
N DEVELOPMENT ON HOLD
Does the project hold
N DEVELOPMENT UNCLARIFIED
Are the storable quantities considered
commerical with a firm intention
to proceed?
DISCOVERY
a storage license?
Is there an active appraisal
or evaluation plan?
Can the resource be accessed with
existing physical or regulatory
Nconstraints?
Are the storable quantities the
subject of a viable drilling target?
N→ DEVELOPMENT NOT VIABLE
NINACCESSIBLE
YPROSPECT
NLEAD
ECONOMICALLY NOT VIABLE ECONOMICALLY VIABLE
INCREASING CHANCE OF COMMERCIALITY
HIGHLY SUITABLE
■SUITABLE POSSIBLE UNLIKELY
APPENDIX FIGURE 4: RESULTS FROM ASSESSMENT CYCLE 3 OF THE CO₂ STORAGE RESOURCE CATALOGUE.
SOURCE: OGCI ET AL. (2022)
Have the storable quantities
been discovered?
Has a nominal storge site
been identified?
Has the evaluation specified a
geological sequence by name?
Can the resource be accessed
with existing physical or
Nregulatory constraints?
NSEQUENCE PLAY
N➡ BASIN PLAY
NINACCESSIBLE
APPENDIX FIGURE 3: THE STORAGE RESOURCE MANAGEMENT SYSTEM CLASSIFICATION SYSTEM FOR CO₂
STORAGE RESOURCES. FOLLOW THE QUESTION FLOW CHART (BLUE BOXES) TO GUIDE YOUR RESOURCE
CLASSIFICATION. SOURCE: OGCI ET AL. (2022)
Assessment cycle 3 increased the number of storage sites to 852 and the number
of assessed countries to 30. Appendix figure 4 shows the total discovered and
undiscovered storage resource. Just over 577 Gt of storage resources (or 4.1 per cent of
the total global resource base) have been discovered - meaning they have been proven
with subsurface data such as a well and seismic surveys. Unfortunately, only a very
small fraction of the total global storage resource base can be considered commercial
resources - just 253 MtCO2 (or 0.002 per cent). Commercial resources must be ready
for a storage operation to proceed and have:
The third annual assessment cycle ("Cycle 3" in OGCI et al. (2022)) was completed
in March 2022 and added approximately 1,000 gigatonnes of CO2 (GtCO2) of storage
resources to the global resource base, which stands at 13,954 GtCO2.
.
a legal and regulatory framework that enables CO2 storage
.
a thorough technical assessment and understanding of the storage complex
•
a notional project development plan
•
no significant barrier causing delay in development of the project.
GLOBAL CCS
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