CO2 leakage quantification methods:
advantages and limitations
Anna Korre, Sevket Durucan, Claire Imrie,
F
Franz
May,
M
Kai
K i Spickenbom,
S i k b
Martin
M ti Krüger,
K ü
St f
Stefan
S hlö
Schlömer
Stanley Baubien, Vincent Vandeweijer,
Stefano Picotti, Daniel Praeg, Sergio Persoglia,
L
Lars
Golmen,
G l
Huber
H b Fabriol
F b i l
Outline
Objectives of the study
Tasks and responsibilities
Individual methods review: examples from the report
Groundwater hydrochemistry and flux
Long open path (IP diode lasers) sensing
Regulatory requirements for CO2 leakage
quantification accuracy
What a portfolio can offer
Conclusions
6th IEAGHG Risk Assessment Network Meeting, 21‐23 June 2011 – Pau, France
2
Objectives of the study
Identify and review the potential
methods for quantifying CO2 leakages
from a geological storage site from
the g
ground or seabed surface and
discuss the level of accuracy that is
currently required for site permitting
and accounting purposes
6th IEAGHG Risk Assessment Network Meeting, 21‐23 June 2011 – Pau, France
3
Specific tasks
Identify
Id
if current and
d emerging
i
techniques
h i
that
h can
measure CO2 leakage on shore and off-shore from
potential
po
a point
po
as
a well as
a diffuse
d u sources
ou
Provide a detailed review of the quantification
performance of each method individually including
operational/technical details as wells as cost
implications
Evaluate the improvements in quantifying CO2
leakage through the implementation of a monitoring
portfolio tailored for on-shore and off-shore
environments
6th IEAGHG Risk Assessment Network Meeting, 21‐23 June 2011 – Pau, France
4
Specific tasks
Review
R
i
current and
d proposed
d regulations
l i
and
d
evaluate the required CO2 leakage quantification
accuracy
a
u a y against
aga
the performance
p o a
of
o individual
d dua
leakage monitoring methods and monitoring
portfolios
Provide recommendations for best practice in using
existing CO2 leakage monitoring techniques for
tifi ti
d provide
id recommendations
d ti
quantification
purposes and
for future research and development to address
stakeholder and regulatory
g
y requirements
q
6th IEAGHG Risk Assessment Network Meeting, 21‐23 June 2011 – Pau, France
5