Teams of engineers, geoscientists, and petrophysicists collaborate in the field appraisal, development planning, and production forecasting processes. They utilize data gathered from various sources such as cores, outcrops, and wellbores (including wireline logs and routine core analysis) to characterize, model, and simulate hydrocarbon reservoirs formed in continental to shallow-marine depositional environments. The focus lies on identifying, interpreting, and modeling lithofacies, facies associations, and depositional systems based on core, wireline log, and outcrop data.

This approach enables realistic control of rock-property distribution in geocellular models. The course places emphasis on employing stochastic or deterministic methods to accurately model geological features that influence fluid flow. The culmination of teamwork involves evaluating and simulating geocellular models, as well as proposing field development plans aimed at increasing reserves, accelerating field production rates, or achieving both objectives.

Course Objectives:

Participants’ understanding of modeling and their ability to model geological features affecting reservoir performance will improve through the collection, observation, interpretation, and modeling of geologic, petrophysical, and engineering data. Methods for the cooperative collection, analysis, and interpretation of data to most efficiently appraise reservoir size and characteristics will be presented and practiced. Superb outcrops reveal complex but interpretable geologic features influencing reservoir development. Outcrop observations will be incorporated into geocellular models using wireline logs, cores, and petrophysical data collected from nearby boreholes. With this typical subsurface dataset, geocellular and reservoir models will be evaluated and simulated within the five-day course.

Who Should Attend?

This course is designed for petroleum engineers, geologists, geophysicists, petrophysicists, and supervisory personnel who are responsible for executing field development programs focused on primary-, secondary-, or tertiary-recovery projects in conventional terrigenous-clastic reservoirs. The geologic and engineering concepts and practices that are introduced are applicable to reservoirs spanning all depositional settings.

Course Outlines:

Core laboratory, outcrop visits, and field exercises: deltaic & shoreface reservoirs

Deltaic and shoreface sedimentologic and stratigraphic concepts
Core description and wireline-log calibration
Stratigraphic correlation and reservoir zonation

Outcrop visits, field exercises, and initial model construction: deltaic & shoreface reservoirs

Field-scale structure and stratigraphy
Facies association petrophysics, stratigraphic relationships, and dimensions
Controls on vertical- and horizontal-permeability trends

Outcrop visits, field exercises, continued model construction, and team presentations/discussions: fluvial & shoreface reservoirs

Sequence-stratigraphic controls on facies distribution
Methods to optimize model size and cell dimensions
Facies and petrophysical modeling

Outcrop visits, field exercises, and continued model construction: fluvial reservoirs

Fluvial sedimentologic and stratigraphic concepts
Facies modeling: deterministic versus stochastic methods

Geocellular model review and discussion

Modeling exercise using models representing various depositional environments
Effects of geologic representation on history-matching
Forecasting exercise
Team presentations of modeling and simulation results

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