石油勘探与开发 >

2019 , Vol. 46 >Issue 2: 334 - 341

DOI: https://doi.org/10.11698/PED.2019.02.13

油气田开发

双水平井蒸汽辅助重力泄油蒸汽腔扩展速度计算模型及其应用

  • 周游 ,
  • 鹿腾 ,
  • 武守亚 ,
  • 石兰香 ,
  • 杜宣 ,
  • 王峻岭
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  • 1.提高采收率国家重点实验室,北京 100083;
    2.中国石油勘探开发研究院,北京 100083;
    3.中国石油大学（华东）,山东青岛 266555;
    4.中国石油长城钻探工程公司,北京 100101
周游（1984-）,男,江苏常州人,中国石油勘探开发研究院高级工程师,现为中国石油勘探开发研究院在读博士研究生,主要从事稠油热采开发基础理论和应用技术研究。地址：北京市海淀区学院路20号,中国石油勘探开发研究院热力采油研究所,邮政编码：100083。E-mail: zyou615@petrochina.com.cn

收稿日期: 2018-05-21

  网络出版日期: 2018-12-14

基金资助

国家科技重大专项“改善SAGD开发效果技术研究与应用”（2016ZX05012-002）

收起

Models of steam-assisted gravity drainage (SAGD) steam chamber expandingvelocity in double horizontal wells and its application

  • ZHOU You ,
  • LU Teng ,
  • WU Shouya ,
  • SHI Lanxiang ,
  • DU Xuan ,
  • WANG Junling
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  • 1.State Key Laboratory of Enhanced Oil Recovery, Bejing 100083, China;
    2.Research Institute of Petroleum Exploration & Development, PetroChina, Beijing 100083, China;
    3.School of Petroleum Engineering, China University of Petroleum, Qingdao 266555, China;
    4.CNPC Great Wall Drilling Company, Beijing 100101, China

Received date: 2018-05-21

  Online published: 2018-12-14

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摘要

蒸汽腔发育扩展是蒸汽辅助重力泄油（SAGD）开发成败的重要特征,蒸汽腔扩展速度是评价蒸汽腔发育扩展情况的关键指标。以SAGD技术理论与传热学原理为基础,提出观察井温度法和蒸汽腔边缘法2种计算模型计算蒸汽腔水平扩展速度;根据新疆风城超稠油SAGD典型区块生产监测数据和数值模型计算结果,明确了不同阶段蒸汽腔发育形态和观察井的温度变化规律;利用观察井温度数据进行了蒸汽腔扩展速度分析,并采用不同时间蒸汽腔的扩展速度预测了蒸汽腔边缘泄油带温度分布和SAGD产量。研究表明,观察井测温曲线高温带的温度函数与测深呈线性关系,该特征段可用于计算泄油界面倾斜角、蒸汽腔扩展边缘和蒸汽腔扩展速度等关键参数,经实际生产数据验证,观察井温度法和蒸汽腔边缘法2种模型计算蒸汽腔扩展速度结果可靠,可为SAGD的高效开发提供理论支持。图11表3参18

关键词： 蒸汽辅助重力泄油; 观察井温度; 蒸汽腔; 蒸汽腔扩展速度; 泄油带

本文引用格式

周游 , 鹿腾 , 武守亚 , 石兰香 , 杜宣 , 王峻岭 . 双水平井蒸汽辅助重力泄油蒸汽腔扩展速度计算模型及其应用[J]. 石油勘探与开发, 2019 , 46(2) : 334 -341 . DOI: 10.11698/PED.2019.02.13

Abstract

The development of steam chamber can be used to evaluate steam-assisted gravity drainage (SAGD) performance. The velocity of steam chamber expanding is the key parameter for evaluating the development of steam chamber. Based on SAGD technology theory and heat transfer theory, two calculation model methods, observation well temperature method and steam chamber edge method for estimating the horizontal expanding velocity of steam chamber, were presented. Through analyzing the monitoring data and numerical simulation results of a typical super heavy oil block developed by SAGD in Fengcheng oilfield in Xinjiang, NW China, the development patterns of steam chamber and temperature variation law in the observation well at different stages are determined. The observed temperature data was used to calculate steam chamber expanding velocity. The calculated chamber velocity at different time was applied to predict the temperature distribution of oil drainage zone at the edge of steam chamber and SAGD oil rate. The results indicate that temperature function of high temperature zone in the observation well temperature curve has a linear relationship with measuring depth. The characteristic section can be used to calculate key parameters such as the angle of the drainage interface, expanding edge and velocity of steam chamber. The field production data verify that the results of the two proposed methods of steam chamber growth are reliable and practical, which can provide theoretical support for the efficient development of SAGD.

Key words： steam-assisted gravity drainage; observation well temperature; steam chamber; steam chamber expanding velocity; oil drainage zone

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