A New Approach to Simulation of Wax Precipitation During Cold Water Injection in Carbonate Reservoir of Kharyaga Oilfield

Y. Trushin, A. Aleshchenko, O. Zoshchenko, M. Arsamakov, I. Tkachev, D. S. Kruglov
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引用次数: 1

Abstract

The paper describes a methodology for assessing the impact of wax deposition in reservoir oil during cold water injection into heterogeneous carbonate reservoir D3-III of the Kharyaga field. The main goal is to determine the optimal amount of hot water that must be injected before switching to cold water without affecting the field development. The paper presents the results of laboratory studies to determine the thermophysical properties of oil, samples of net reservoir and non-reservoir rock, as well as the results of laboratory studies to determine the conditions and nature of wax deposition in oil when the temperature and pressure conditions change. Calculations were carried out to describe the physical model of oil displacement by water of various temperatures. A series of synthetic sector model runs was performed, which includes the average properties of the selected reservoir and the results of laboratory studies in order to determine the effect of cold water injection on the development performance.
Kharyaga油田碳酸盐岩储层冷水注蜡过程模拟新方法
本文介绍了一种评价Kharyaga油田D3-III非均质碳酸盐岩油藏冷水注水过程中储层油中蜡沉积影响的方法。主要目标是在不影响油田开发的情况下,确定在转换为冷水之前必须注入的最佳热水量。本文介绍了确定油、净储层和非储层岩石样品热物性的实验室研究结果,以及确定温度和压力条件变化时油中蜡沉积条件和性质的实验室研究结果。通过计算,描述了不同温度水驱油的物理模型。为了确定冷水注入对开发性能的影响,进行了一系列综合扇区模型运行,包括选定储层的平均性质和实验室研究结果。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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