CALCULATIONS OF THE ECONOMIC EFFICIENCY OF DRILLING WELLS WITH SEPARATE OPERATION OF SEVERAL HORIZONS SIMULTANEOUSLY
Journal Title: International Science Journal of Management, Economics & Finance - Year 2022, Vol 1, Issue 3
Abstract
the article presents a calculation of the economic efficiency of simultaneous development of several layers by one object. The necessary cost indicators of products on the domestic and foreign markets, taxes and payments, as well as expenditure, such as operational, capital costs when using the technology of dual completion (DC) and according to the traditional scheme are described and presented. The DC method is cost-effective and makes it possible to seal the grid of wells (producing and injection) without additional drilling footage and in increasing hydrocarbon production. Dual completion in the world practice of the development of multi-layer deposits is carried out in various ways, which are determined by the design of wells, the nature of separation of layers, types of technological operations of control and regulation of the development of operational facilities. Depending on the operating modes of the layers, the schemes of equipment for dual completion can be represented by the following combinations: fountain-fountain, gaslift-gaslift, pump-pump, injection-injection, fountain-pump, pump-fountain, fountain-gaslift, gaslift-fountain, etc. The effectiveness of dual completion in solving the tasks of the first group is characterized by ensuring optimal working conditions for each formation or the possibility of monitoring and regulating the development of formations. The number of wells in which the DC should be carried out is justified in the project, based on the need to solve these tasks. Evaluation of the effectiveness of the method by the amount of additional oil produced after the transfer of wells to dual completion is carried out only in frequent cases. Basically, with the planned and projected technological scheme of development, the use of the method, additional production should be taken into account when calculating development indicators. When solving the tasks of the first group, the transfer of wells to DC can be carried out both from the very beginning of their commissioning, and after a certain period of joint operation of reservoirs.
Authors and Affiliations
Deryaev Annaguly Rejepovich
Keywords
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- EP ID EP707916
- DOI 10.46299/j.isjmef.20220103.10
- Views 104
- Downloads 0
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