Simulation of a New Well SAGD Configuration based on the example of an Oil Field in Kazakhstan
Received: 3 September 2024 | Revised: 14 October 2024 | Accepted: 29 October 2024 | Online: 18 November 2024
Corresponding author: Alexandr Logvinenko
Abstract
Steam-Assisted Gravity Drainage (SAGD) method is recognized as one of the most effective methods for the recovery of heavy oil and natural bitumen. This technology has received several modifications throughout its history designed to improve it. One of the promising modifications is the Single Well-SAGD (SW-SAGD), which allows significantly reducing the CAPEX for drilling a well. However, this method has several disadvantages such as steam breakthrough into the production part and the uneven development of the steam chamber along the well. This article presents the concept of a Single-Well Cyclic SAGD (SWC-SAGD), which allows preventing the breakthrough of the injected steam into the production section and the uniform development of the steam chamber along the well. The comparison analysis of the developed modification of SWC-SAGD was carried out using the classical method of 3D hydrodynamic modeling of both options using the example of one of the fields of the Republic of Kazakhstan. The results of the work show the efficiency of the proposed technology in terms of field oil total production.
Keywords:
SAGD, modeling, heavy oil, well configuration, well placementDownloads
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