Automation of Monitoring and Control of Oil Field Development

Modern technology such as computer reservoir simulation is becoming an integral part of the operations of oil producers. Oil field monitoring based on geological filtration models is recognized as a progressive and efficient tool for optimization of oil field development.
In view of this, Wenses company has developed one of the first Russian software suites, the TRIAS system, at a good time.
The system’s multifunctionality based on the generation of three-dimensional geological and hydrodynamic models makes it possible to resolve a wide range of tasks related to the monitoring and control of the development of oil fields. High quality at a reasonable price makes this system attractive for small and medium-sized oil companies, and especially for design institutes.
This innovative system allows for a departure from the traditional structure of dividing companies into geological and development departments, thus enabling cost reductions. TRIAS can allow for a reorganized operating structure including groups of geologists-reservoir engineers. These specialists would be responsible for the analysis of both geological and geophysical data, the selection of development options and the completion of tasks utilizing the software such as the creation of a geological model and the adjustment of hydrodynamic models based on development history. Their responsibilities would also include selection of options for future developments of the field.
The TRIAS suite forms and supports the field database on the basis of modern data management systems and includes many tools to analyze the development of fields and large deposits that involve application of different EOR methods. The system enables mapping, profile generation and creation of 3D block maps, as well as of various histograms, crossplots, graphs and tables.
Utilization of geological filtration models in TRIAS makes it possible to continuously monitor the current status of a field's development, to substantiate the optimal formation treatment technologies and to assess in retrospect the efficiency of performed geological and technical operations (such as determination of the production water cut dynamics, selection of wells for remedial cementing, various types of bottomhole formation zone treatment, cyclic injection and recovery, lateral hole drilling, etc.).
The TRIAS system includes tools for well data import in various user’s formats, as well as the means to determine the quality of new initial data. By classification of current reserves it is possible to identify prospective areas for various geological and technical operations.
The TRIAS designers may be credited with the significant achievement of the development of a 3D three-phase hydrodynamic simulator package. This package makes it possible to perform multi-variant filtration predictive calculations aimed at selection of wells best suited for geological and technical operations. Based on its operating principles and functions, it may be considered a counterpart to the Eclipse simulator.
Application of statistical methods makes a useful alternative to time-consuming multi-variant hydrodynamic calculations. For that, it is necessary to develop a knowledge base, which includes information on previous geological and technical operations.
A real-time geological and field study of productive formations containing unrecovered oil reserves is performed with the help of crossplots, histograms, dynamic visualization of geological data and maps of the oil fields’ geological and production zones. Geological and field information is represented in the form of tables and graphic images of the entire field or of selected areas or well sets. The application of validity criteria and conditional values allows prospective areas to be identified, recommendations to be made for geological and technical operations, and planned operations to be selected. Finally, with the help of the knowledge base, the expected efficiency of geological and technical actions is forecast.

Source: www.wenses.ru

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