Technological Features of Associated Petroleum Gas Miscible Injection MGI in Order to Increase Oil Recovery at a Remote Group of Fields in Western Siberia

S. Vershinin, A. Blyablyas, D. A. Golovanov, A. Penigin, N. Glavnov
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Abstract

The problem of associated petroleum gas utilization is especially urgent for fields located far from infrastructure facilities for raw gas transportation and treatment. For such fields, alternative methods of gas utilization, especially gas re-injection, are becoming relevant. The re-injection options include: injection into underground reservoir for storage (if there are reservoirs suitable for injection near the field), injection into a gas cap, if any, or injection into a productive reservoir. The latter method allows, along with solving the problem of gas disposal, to increase oil recovery. This study describes an example of miscible gas injection into the reservoir at the Chatylkinskoye field, the infrastructure assumptions which make this option a better one versus a selling option, and the features of a gas treatment and injection process.
西伯利亚西部偏远油田伴生油气混相注入MGI提高采收率技术特点
对于远离原料气运输和处理基础设施的油田,伴生气的利用问题尤为迫切。对于这些油田来说,天然气利用的替代方法,特别是气体回注,正变得越来越重要。回注方案包括:注入地下储层进行储存(如果油田附近有适合注入的储层),注入气顶(如果有),或者注入生产储层。后一种方法可以在解决天然气处理问题的同时,提高石油采收率。本研究描述了Chatylkinskoye油田油藏注混相气的实例,基础设施假设使该方案优于销售方案,以及气体处理和注混过程的特点。
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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