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COMPLEX CARBONATE RESERVOIRS DEVELOPMENT OPTIMIZATION AND INCREASING THE EFFICIENCY OF HORIZONTAL WELL OPERATION
Abstract
This paper presents the simulation results of field development optimization of low permeability carbonate reservoirs containing high viscous oil by the system of horizontal wells. The wells are located in special way to take into account the geological features of this field, the water injection at certain moments of time and all potential water breakthroughs from the WOC area. Multivariant reservoir simulation runs were performed in order to identify the optimal well density, the optimal length of horizontal sections, the well trajectory, as well as variants with a modified horizontal wells design. It was shown the significant increase of horizontal well operation effectiveness with the technology of separately-alternate work of different parts of horizontal wells in comparison with traditional methods of horizontal well operation. Thus, on the basis of the analysis of geological, technological and economic parameters, the best option was found for the further exploitation of not only the considering field, but also for the development of neighboring areas with a similar geological structure.
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References3
Yurova M.P., The role of horizontal wells in the development of low-permeable, heterogeneous reservoirs. Georesources, Russia, vol. 19, No. 3, part 1, pp 209- 215, 2017.
Minikhairov L.I., Sudakov V.A., Validov M.F., Features of accounting rock wettability in the reservoir modeling on the example of carbonate sediments of oil fields of Tatarstan. Simulation of the geological structure and development processes is the basis for the successful development of oil and gas fields, Proceedings of the International Scientific and Practical Conference, Russia,2018, pp 263-267.
Salikhov D.A., Khuzin R.R., Miyassarov A.Sh., Nurgaliev D.K., Sudakov V.A., Stefanovich Yu.N., New approaches in the operation of horizontal wells of small diameter, The magazine “Oil. Gas. Innovations”, Russia, issue 12, pp 68-70, 2018.
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