The Potential to Increase Heavy Oil Production from Complicated Carbonates Applying the Intelligent Well Technology

The Permian-Carboniferous reservoir of the Usinsk field is one of the largest objects in the world with unconventional reserves of heavy oil. Despite the long history of the development of the reservoir (over 35 years), the cumulative oil recovery is less than 10.0 %. Difficulties in the development of the reservoir reserves due to non-Newtonian properties of the saturating oil with a viscosity of 700 mPa*s and a unique geological structure of a massive reservoir, which is represented by a 300 m carbonate strata of the Middle and Upper Carboniferous and Lower Permian age located at a depth of – 950 to −1500 m and underlained around the perimeter by the active aquifer. The prospects for increasing the oil production of the reservoir are associated with the introduction in the development with the help of innovative thermal technologies its poorly drilled edge area, in which almost one-third of all reservoir reserves is accomulated. This article is devoted to a discussion of the results of thermo-hydrodynamic modeling performed on the sector models and aimed at selecting the most effective option of the further development of the edge area of the reservoir, for which it is advisable to consider the use of multiple cyclic treatments of wells with radial horizontal bores by dry superheated steam in combination with the central hot water flooding into injecting wells.

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Results of Thermo-Hydrodynamic Modeling of Multiple Cyclic Steam Stimulations of Wells in the Permian-Carboniferous Reservoir of the Usinsk Field (Russian)

Taraskin

Ursegov

Gerasimov

et al. 2015

SPE Russian Petroleum Technology Conference

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The Potential to Increase Heavy Oil Production from Complicated Carbonates Applying the Intelligent Well Technology

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Technologies and Methods for Prevention of Inorganic Salt Deposition in Romashkinskoye Oil Field Wells

Technologies and Methods for Prevention of Inorganic Salt Deposition in Romashkinskoye Oil Field Wells

Results of Thermo-Hydrodynamic Modeling of Multiple Cyclic Steam Stimulations of Wells in the Permian-Carboniferous Reservoir of the Usinsk Field

Results of Thermo-Hydrodynamic Modeling of Multiple Cyclic Steam Stimulations of Wells in the Permian-Carboniferous Reservoir of the Usinsk Field (Russian)

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