DOI: 10.24412/2076-6785-2021-1-19-22
Abstract
The design solutions for large and unique fields are often hard to justify due to fact that the reserves development becomes efficient in various parts of continuous reservoirs (pure oil-zones/gas-oil-water zones, monolithic/compartmentalized reservoir) only when using differentiated approaches (well pattern/type of well completion, presence or absence of bottomhole zone stimulation). At the initial stage of development, the limited amount of reliable field information introduces significant uncertainty in the estimates, even in short-term planning. Thus, in the period preceding the full-scale development of large fields, especially those containing hard-to-recover reserves,
pilot areas should be selected to test and confirm the theoretical research. This study describes the results of extended pilot operations carried out in PK1-7 reservoir of the Russkoye oil and gas condensate field in the
period from 2007 to 2014 to prepare it for commercial development.
Material and methods
Based on the actual field information and flow simulation data, a comparative analysis of well operation results was made which was used to form the main design solutions on developing a field with hard-to-recover reserves.
Keywords
pilot development, hard-to-recover reserves, high-viscosity oil, cenomanian, horizontal wells, multilateral wells
