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.

 For new fields, models may help development by identifying the number of wells required, the optimal completion of wells, the present and future needs for artificial lift, and the expected production of oil, water and gas.

For ongoing reservoir management, models may help in improved oil recovery by hydraulic fracturing. Highly deviated or horizontal wells can also be represented. Specialized software may be used in the design of hydraulic fracturing, then the improvements in productivity can be included in the field model. Also, future improvement in oil recovery with pressure maintenance by re-injection of produced gas or by water injection into an aquifer can be evaluated. Water flooding resulting in the improved displacement of oil is commonly evaluated using reservoir simulation.

  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 recognized 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 formulation 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, 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.

Слова и выражения для сдачи наизусть:

1. oil field development –             разработка нефтяного месторождения

2. computer reservoir simulation –     электронное моделирование нефтяного пласта-

                                                             коллектора

3. oil producer –                                 нефтедобывающая компания

4. progressive and efficient tool for – передовой и эффективный инструмент для …

5. optimal completion of wells –        оптимальное заканчивание скважин (крепление

                                                             эксплуатационной части скважины, освоение её и

                                                             оснащение эксплуатационным оборудованием)

6. needs for artificial lift –            потребность в механизированной эксплуатации

                                                             скважины (искусственный подъём нефти)

7. hydraulic fracturing –                    гидравлический разрыв пласта (посредством

                                                             закачки в него жидкости под большим давлением)

8. improvement in oil recovery –       повышение нефтеотдачи

9. pressure maintenance –                  поддержание давления (в нефтегазовом пласте)

10. re-injection of produced gas –       повторная закачка добываемого газа

11. displacement of oil –                      вытеснение нефти

12. to develop a software suite –         создать пакет программного обеспечения

13. three-dimensional model –             трёхмерная модель

14. to resolve a wide range of tasks –  решать широкий ряд задач

15. at a reasonable price –                    по разумной / приемлемой цене

16. design institute –                            проектный институт

17. departure from … –                      отклонение от …; уход от …

18. cost reduction –                             снижение цен

19. reservoir engineer –                        инженер-разработчик нефтегазовых месторождений

20. to be responsible for … –              нести ответственность за …

21. to utilize the software –                 применять программное обеспечение

22. application of EOR (Enhanced Oil Recovery) methods – использование методов

                                                                                         повышения нефтеотдачи

23. crossplot –                                      график зависимости одной величины от другой

24. the current status of a field’s development – текущая стадия разработки месторождения

25. to substantiate treatment technologies – обосновать / подтвердить технологии

                                                             переработки (нефти и газа)

26. to assess the efficiency –               оценить эффективность

27. production water cut dynamics –  динамика разжижения промывочной жидкости (при

                                                             прорыве в скважину пластовой воды или газа)

28. remedial cementing –                     ремонтно-изоляционные работы в скважине

29. bottomhole formation zone –         призабойная зона пласта

30. cyclic injection –                       циклическая закачка жидкости в пласт

Text 2 . HOME READING № 2 (семестр 3).