Naturally Fractured Reservoirs: An Introduction to their Appraisal and Management

Field work, lectures and hands on software practice are combined to give an overview of the managment of fractured reservoirs. The origins and identification of fractures are outlined and their effects on fluid flow are highlighted via case studies, to give both geologists and engineers an appreciation of why fractures are so important and how to incorporate them effectively into the reservoir modelling and simulation process.

Summary
More than 60% of the world’s proven hydrocarbon reserves lie in naturally fractured reservoirs. Production may be dependent on fractures, assisted by them or inhibited by their presence. Because of the high degree of reservoir heterogeneity, geologists and engineers face particular challenges in the appraisal and management of fractured reservoirs. The course gives the asset team member an overview of the issues faced in managing a fractured reservoir, from characterisation to hydrocarbon production.

The course will enable participants to:

Understand the origin of fractures
Identify fractures from wellbore data
Incorporate fracture data into a static reservoir model
Appreciate the effects that fractures have on reservoir production
Tackle reservoir characterisation from an asset team (shared earth model) perspective


	Participants examine fracture networks in the Bristol Channel

Instructors: Jon Gutmanis (GeoScience Limited) & Oscar Fernandez (Roxar London)

Intended for : Geologists, engineers, managers and other disciplines involved in developing fracture reservoirs

Duration : 5 days Pre-requisite : None

Course Schedule
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Day1	Introduction and overview of fractured reservoirs Key structural geology methods for reservoir characterisation: Basics of stress & strain, fracture types and origins, fracture associations and controls on distribution, fracture attributes, data presentation methods. Case histories from the industry Field trip preview
Day 2	Fracture characterisation at outcrop on the North Somerset Coast
Day 3	Fracture Characterisation in the Wellbore : Essential tools, techniques and data types to identify and characterise fractures, flow and stress. Upscaling and model building: Integrating well and reservoir -scale datasets to develop static and dynamic fracture models for use in reserve estimation, well planning and simulation. Geomechanics of fractured reservoirs: Measuring reservoir stresses and evaluating their importance for fracture permeability and operational issues such as wellbore stability or breakthrough prediction.
Day 4	Reservoir engineering in fractured reservoirs: Assessing reservoir properties and mechanisms and the best operational and modeling approaches to deal with complex fracture and fracture flow systems.
Day 5	Practical reservoir modeling: How to interpret fractures and incorporate these into a reservoir model. Participants will use Roxar's Fracperm software to build a discrete fracture network and permeability field in a reservoir model.

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Reservoir Training

Naturally Fractured Reservoirs: An Introduction to their Appraisal and Management

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