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首页> 外文期刊>Journal of Energy Resources Technology >Characterization and Prediction of Gas Breakthrough With Cyclic Steam and Gas Stimulation Technique in an Offshore Heavy Oil Reservoir
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Characterization and Prediction of Gas Breakthrough With Cyclic Steam and Gas Stimulation Technique in an Offshore Heavy Oil Reservoir

机译:海上稠油油藏循环蒸汽和气藏增产技术的瓦斯突破特征与预测

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摘要

In this paper, a reservoir simulation study was conducted for the characterization and prediction of gas breakthrough during the development of cyclic steam and gas stimulation (CSGS) for a horizontal well. A new concept named the gas breakthrough coefficient (GBC) was proposed to characterize the gas breakthrough degree quantitatively, and a regression model and two calibration curves were established to predict the gas breakthrough degree. The method of foam plugging to inhibit gas breakthrough was also discussed. It was found that the gas breakthrough degree could be well characterized by the GBC and distinguished as four types: weak, moderate, strong, and severe. The regression model and calibration curves could also be used to predict the gas breakthrough degree under different reservoir and development conditions. Foam plugging was found to be effective to inhibit gas breakthrough when the gas breakthrough degree was moderate or strong.
机译:在本文中,进行了一个油藏模拟研究,用于表征和预测水平井的循环蒸汽和天然气增产(CSGS)过程中的天然气突破。提出了一种新的概念-气体穿透系数(GBC)来定量表征气体穿透程度,并建立了回归模型和两条校准曲线来预测气体穿透程度。还讨论了泡沫封堵抑制气体渗透的方法。发现GBC可以很好地描述气体的突破程度,可以分为弱,中,强和严重四种类型。回归模型和标定曲线还可用于预测不同储层和开发条件下的天然气穿透程度。当气体穿透度为中等或强时,发现泡沫堵塞可有效抑制气体穿透。

著录项

  • 来源
    《Journal of Energy Resources Technology》 |2017年第3期|032801.1-032801.10|共10页
  • 作者单位

    State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Qingdao 266580, China,Shengli Oilfield Sino Shengli Engineering Co., Ltd., Dongying 257060, China;

    School of Geosciences, China University of Petroleum, Qingdao 266580, China;

    State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Qingdao 266580, China,School of Petroleum Engineering, China University of Petroleum, Qingdao 266580, China;

    Research Institute of Oilfield Production, China Oilfield Services, Limited, Tianjin 300450, China;

    Research Institute of Oilfield Production, China Oilfield Services, Limited, Tianjin 300450, China;

    School of Petroleum Engineering, China University of Petroleum, Qingdao 266580, China;

    School of Petroleum Engineering, China University of Petroleum, Qingdao 266580, China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    cyclic steam and gas stimulation; gas breakthrough characterization; gas breakthrough prediction; gas breakthrough coefficient; foam plugging;

    机译:循环蒸汽和气体刺激;气体突破特征气体突破预测;气体穿透系数泡沫堵漏;

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