Title: Study on the Adaptability of Waterflood Development for the Horizontal Well in NB Oilfield,Kazakhstan
Abstract: North Buzachi( NB) oilfield in Kazakhstan is an ordinary edge and bottom water heavy oil reservoir under waterflooding development. In this oilfield,based on vigorously strengthening fine research on reservoir geology,we actively promoted the use of new technology of horizontal wells reservoir development. For main parts of this oilfield,combination production of vertical wells and horizontal wells was used to develop the remaining oil between injection and production wells. However' for oil- water transition area at the reservoir edge,improvement to recoverable reserves utilization was our main target. During production process,horizontal wells in oilfield main parts have features that water- cut will increase quickly while production declines rapidly,so the reservoir failed to achieve the desired results. In this research,we combined with the geological characteristics of this reservoir,analyzed the production characteristics of horizontal well development reservoir and through numerical reservoir simulation,optimized the deployment of horizontal wells in new areas and explored the adaptability of horizontal well development in this type of reservoir.
Publication Year: 2015
Publication Date: 2015-01-01
Language: en
Type: article
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