MULTI MARLS
Predicting into the
Unknown with Source-to-
sink Scaling Relationships
DATUM-2
Source-to-sink scaling relationships are
emerging as a valuable predictive tool
in frontier basins. This article outlines
the method, applies it to the mid-
Cretaceous MSGBC Basin, and discusses
the potential pitfalls that exploration
geologists need to consider.
Controlling parameters:
DATUM-2
Seismic
04 Accommodation
Conceptual model (2D/3D)
Outcrop
Unravelling the Potential of
the Namibe Basin
Wells
u a
Sediment flux
Sediment transport
l
Data (1D/2D/3D)
Ahead of Angola’s 2019 offshore license round,
we discuss the hydrocarbon potential of the
Namibe Basin. Using the Neftex ® Insights
portfolio, we pre-screen the blocks on offer,
and identify the main play types and their
associated risks, taking a closer look at the
most prospective reservoirs — Cretaceous
carbonates.
r u
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o f co n c e p
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CONTENTS
Processes
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Editor
Rebecca Head
Editorial Advisors
Subsurface iterative interpretation workflow
Mike Simmons
Big Picture Thinking to Highlight
Exploration Risks Efficiently
CLICK THE MAPS ABOVE TO EXPLORE SOLUTIONS
Have you considered following a holistic Earth system science
approach to highlight and understand the risks in the early
exploration phases?
Thomas Jewell
Design and Circulation
Stefanie Clayton
On the cover: Sunset over the river, Nigeria. Image
from Getty Images.
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Impedance
Machine Learning in
Petrophysics
We have developed the Assisted Lithology
Interpretation tool, which leverages
geoscientists’ knowledge to generate
accurate, rapid and consistent lithology
interpretations from downhole petrophysical
logs. It uses a supervised machine learning
pipeline, which was built and tested using
wells from the North West Shelf, Australia,
and the Permian Basin, United States.
21
The Exploration Handbook
— Forward Stratigraphic
Modeling
Numerical forward stratigraphic models
support subsurface geological interpretation.
They quantify the interaction of sediment
supply and accommodation, and their
effect on stratigraphic architecture, and
are applicable both at the exploration and
production scale. They form an essential part
of the multi-proxy, iterative interpretation
loop of the geology of the subsurface.
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