Objective
Objectives
The objective of the project is to construct more geologically correct models of fractured hydrocarbon reservoirs, and to
translate those models more effectively into reservoir
engineering models. As it is impossible to run a fine grid
flow model of a fractured reservoir, even with today's
advanced computers, such reservoirs are always represented as dual porosity dual permeability reservoirs. The dual porosity dual permeability approach involves averaging and upscaling. Moreover, one must assume which fractures belong to the
interconnected fracture system and contribute to fracture
flow, and which should be regarded as enhancing the matrix
permeability. Equivalent volume modelling is a term used in
this project to describe the averaging and upscaling
procedures by which the properties of a volume of a specific size in a fractured hydrocarbon reservoir are estimated. The transition from the geologist's explicit representation of a fractured reservoir to equivalent volume procedures and models is seen as the key objective.
Technical Approach
Geological fracture characterization will build on experiences from an earlier EU project with the same partners (JOU2-CT92- 0334) and will be supplied by 3-D fracture modelling. The
correlation of flow properties with fracture properties will be investigated through two phase flow experiments, in which imbibition in fractured models will be carried out. To
evaluate the equivalent volume procedures derived in the
project, the results of the physical experiments will be
compared with dual porosity dual permeability simulations.
Finally, the procedures will be demonstrated by modelling of an actual reservoir - leading, it is hoped, to a better match between the reservoir simulation and the production history.
Expected Achievements and Exploitation
The project will provide a practical method of interfacing the geological description of a fractured reservoir and the
reservoir simulation resulting in:
1. Procedures for creation of 3-D fracture models
incorporating all properties relevant to scaling and to
hydraulic properties of the fracture systems.
2. Representation of 3-D fracture systems in terms of
equivalent volume models for two phase flow.
3. Knowledge of which fracture variables have significant
impact upon reservoir fluid behaviour.
4. Methods for applying 1-D and 2-D reservoir fracture data to 3-D fracture modelling and simulation of multiphase flow in dual porosity dual permeability reservoirs.
5. Documentation of project results in a practical manual for use by practising reservoir geoscientists.
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
- humanities history and archaeology history
- natural sciences chemical sciences organic chemistry hydrocarbons
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Programme(s)
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Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Topic(s)
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Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
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Funding Scheme
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Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Coordinator
2400 KOEPENHAGEN
Denmark
The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.