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Pressures
and Overpressure in the Subsurface
Three-day training course
Course description
The principal objective of the course is
to teach participants how pressure data relate to the safe
and efficient exploration and exploitation of petroleum reservoirs.
Overpressure
is experienced in most sedimentary basins where reservoirs
are associated with fine-grained
lithologies (such as shales), in particular at depths of
2.0km or greater
below sea-bed.
Recent advances in the understanding of
overpressure, in particular the magnitude of overpressure
resulting from
each of the main mechanisms under realistic basin conditions,
gives improved confidence in estimating pore pressures.
The course teaches participants:
- Pore pressure prediction -
methods and limitations
- Recognition
of abnormal pressures and principal causes
- Influences of
abnormal pressures on trap integrity, sealing capacity, reservoir
quality and maturation/migration efficiency in petroleum
systems
Course content
- Overpressure: worldwide
context, origins and mechanisms
- Pressure
data and data display - use of pressure vs. depth/mudweight
plots
- Determination
of fluid gradients
- Pore pressure prediction -
seismic, wireline, drilling and modelling methods, strengths
and
weaknesses, limitations
and pitfalls
- Influence of overpressure
on the petroleum system (trap integrity, reservoir quality,
source
rock
maturation
and petroleum migration)
- Relationship
between overpressure, seals and column heights
- Compartmentalisation of overpressured
reservoirs - fault and seal characteristics
- Overpressure
in deep water, including well design issues
Case studies used in the course are mainly
from the Gulf of Mexico, North Sea, and South East Asia basins
plus other classic overpressured basins such as South Caspian
Sea, West Africa, Trinidad and mid-Norway.
Training
instructor
The training courses we offer are instructed
by the Managing Director of GeoPressure Technology, Dr Richard
Swarbrick and Dr. Rick Lahann.
As a world expert in oilfield pressures, Richard
is also an instructor for the Geoscience Training Alliance
and the AAPG Continuing Education Program. Dr. Rick Lahann is an independent consultant with a long-term relationship with GeoPressure Technology. He has 23 years experience with ConocoPhillips,
was responsible for fluid and fracture pressure prediction and drilling support for many international wildcat wells
Click
here for further information.
Who should attend
This training course is designed for geologists,
geophysicists, petrophysicists and reservoir/drilling engineers
with an interest in overpressure and high-pressure reservoirs,
i.e. anyone who wants to understand overpressure and to know
about the tools to predict it ahead of the bit.
A familiarity
with oilfield practices will be an advantage.
How to apply
To apply for the course, contact us directly:
GeoPressure Technology Ltd
Mountjoy
Research Centre
Stockton Road
Durham
DH1 3SW
United Kingdom
Tel/Fax +44 (0) 191 334 2191
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