Oil Withdrawal Technological Advancement for Multilayer Field

Document Type : Research Article

Authors

Yessenov University, Aktau, KAZAKHSTAN

Abstract

The authors discuss the technology for dual pumping technology of oil-producing wells and show its advantages and shortages. It is concluded that the simultaneous-separate oil production project proposed is economically attractive due to increment in oil production, high-income terms, and short pay-off period even in small and depleted reservoirs. Furthermore, the potential of the proposed project is evaluated in terms of the required facilities and incremental oil production. Dual pumping technology becomes of ever-more use today since the unified well-spacing pattern envisioned for multilayer fields development and operation ensures the feasibility of multiple-zone production, and, as a consequence, ramp-up of reserves recovery and oil drainage amount as well. At the same time, the practicability of multiple-zone production depends on a number of fraught factors and requires thereof appropriate inventory and current status analyses to be fulfilled with regard to reserves recovery operations. As influx performance study and fluid-bearing characteristics of reservoirs are often incomplete due to field situation, the authors, therefore, follow the task to carry out an efficient analysis of multi-zone productions based on dual completion technologies.

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