Who Should Attend
Designed For: Development geologists, petroleum engineers,
managers, and technical personnel
You Will Learn
- Use mud gas isotopes to identify and characterize pay
zones
- Use the geochemistry of produced fluids (oil, gas, water)
and/or core material to: identify missed pay, assess reservoir
compartmentalization, allocate commingled production, identify
completion problems (tubing leaks, poor cement jobs, etc.),
characterize induced fractures (e.g., fracture height), monitor the
progression of floods (water, gas, or steam) predict vertical and
lateral variations in fluid viscosity and gravity; identify the
geological processes which control fluid properties in a given
field.
- Use certain key software packages (including, PeakView,
ReserView, OilUnmixer, Excess Pressure calculations, etc.)
About the Course
During field development and production, numerous problems can
be solved through integration of geochemical, geological, and
engineering data (see bullets above). Geochemical approaches for
solving these problems are appealing since:
- They provide an independent line of evidence that can help
resolve ambiguous geological or engineering data. Example:
geochemical data can reveal whether small differences in reservoir
pressure reflect the presence of a barrier between the sampling
points.
- They are far less expensive than engineering alternatives.
Example: geochemical allocation of commingled production costs only
1-5% as much as production logging.
- They have applicability where other approaches do not. Example:
geochemical allocation of commingled production can be performed on
highly-deviated or horizontal wells and on wells with electrical
submersible pumps - well types not amenable to production
logging.
This course explains how geochemistry complements other
reservoir management tools. Case studies and exercises illustrate
key points. Computer-based exercises illustrate the utility of
certain key software packages. Sampling pitfalls and sources of
contamination are discussed. The course will NOT cover PVT
(Pressure-Volume-Temperature) relationships or equation of state
calculations.
Course Content
- Using fluid compositions as "natural tracers" for tracking
fluid movement and compartmentalization
- Understanding processes that cause compositional differences
between fluids (e.g., differences in source facies, source
maturity, biodegradation, water washing, evaporative fractionation,
etc.)
- Integrating geochemical, geological, and engineering data to
identify missed pay, characterize reservoir compartmentalization,
allocate commingled production, identify well completion problems,
predict fluid viscosity/gravity, and monitor floods
- Basics of oil, water, gas and mud gas compositional
analyses
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