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深水中大型气田滚动勘探技术体系与成效——以琼东南盆地中央峡谷A边际气田为例

陈奎 胡德胜 宋瑞有 龚宇 肖大志 黄安敏 朱玉双

陈奎, 胡德胜, 宋瑞有, 龚宇, 肖大志, 黄安敏, 朱玉双. 深水中大型气田滚动勘探技术体系与成效——以琼东南盆地中央峡谷A边际气田为例[J]. 石油实验地质, 2024, 46(1): 1-10. doi: 10.11781/sysydz202401001
引用本文: 陈奎, 胡德胜, 宋瑞有, 龚宇, 肖大志, 黄安敏, 朱玉双. 深水中大型气田滚动勘探技术体系与成效——以琼东南盆地中央峡谷A边际气田为例[J]. 石油实验地质, 2024, 46(1): 1-10. doi: 10.11781/sysydz202401001
CHEN Kui, HU Desheng, SONG Ruiyou, GONG Yu, XIAO Dazhi, HUANG Anmin, ZHU Yushuang. Technical system and achievements of rolling exploration in large and medium-sized deep-water gas fields: a case study of marginal gas field A in central canyon of Qiongdongnan Basin[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2024, 46(1): 1-10. doi: 10.11781/sysydz202401001
Citation: CHEN Kui, HU Desheng, SONG Ruiyou, GONG Yu, XIAO Dazhi, HUANG Anmin, ZHU Yushuang. Technical system and achievements of rolling exploration in large and medium-sized deep-water gas fields: a case study of marginal gas field A in central canyon of Qiongdongnan Basin[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2024, 46(1): 1-10. doi: 10.11781/sysydz202401001

深水中大型气田滚动勘探技术体系与成效——以琼东南盆地中央峡谷A边际气田为例

doi: 10.11781/sysydz202401001
基金项目: 

中国海洋石油有限公司科技项目“南海深水盆地油气运聚成藏分析与突破方向” KJGG2022-0103

详细信息
    作者简介:

    陈奎(1986-), 男, 博士生, 高级工程师, 本刊青年编委, 从事油气勘探研究。E-mail: chenkui3@cnooc.com.cn

    通讯作者:

    朱玉双(1968-), 女, 教授, 博士生导师, 从事油层物理与开发地质研究。E-mail: yshzhu@nwu.edu.cn

  • 中图分类号: TE122.3

Technical system and achievements of rolling exploration in large and medium-sized deep-water gas fields: a case study of marginal gas field A in central canyon of Qiongdongnan Basin

  • 摘要: 为了促进琼东南盆地中央峡谷深水A边际气田开发,引入目标搜索研究、目标评价研究、目标钻探研究等完整气田滚动勘探技术体系。A边际气田目标搜索除利用传统的区带油气潜力目标搜索技术外,提出评价过程目标搜索技术,共搜索了5个油气潜力区块,并优选A4构造进行油气目标评价。从圈闭解释与落实、圈闭烃类检测两方面对A4构造油气成藏主控因素开展研究。A4构造中部预测优势含气区具有强振幅属性、低密度、低速度、低纵波阻抗、低纵横波速度比等有利含气信息特征,总体为Ⅲ类AVO异常,且能够升级HL_0气组控制天然气地质储量,部署滚动探井A4-1井实施钻探,在黄流组钻遇气层超20 m,莺歌海组二段钻遇可疑气层近10 m,获得天然气探明地质储量近30亿立方米,钻探效果好。滚动勘探研究在深水A边际气田的应用,不仅有效地促进了A边际气田后续滚动勘探活动,而且证实了滚动勘探同样适用于深水油气勘探。

     

  • 图  1  琼东南盆地中央坳陷带中央峡谷及邻区构造区划与A气田及研究区分布位置

    Figure  1.  Tectonic division of central canyon and its adjacent area in central depression belt of Qiongdongnan Basin and distribution of gas field A and research area

    图  2  琼东南盆地深水区中央峡谷水道中段A气田潜力目标分布特征

    Figure  2.  Distribution characteristics of potential targets of gas field A in middle section of central canyon waterway in deep-water area of Qiongdongnan Basin

    图  3  琼东南盆地中央峡谷深水区S-8井区振幅定量化调整前后剖面振幅对比

    剖面位置见图 1

    Figure  3.  Comparison of profile amplitude before and after amplitude quantitative adjustment of well area S-8 in deep-water central canyon in Qiongdongnan Basin

    图  4  琼东南盆地中央峡谷水道中段A4构造引层追踪和层位地震地质解释剖面特征

    剖面位置见图 1

    Figure  4.  Profile characteristics of reference layer tracing and seismic geological interpretation of structure A4 in middle section of central canyon waterway in Qiongdongnan Basin

    图  5  琼东南盆地中央峡谷水道中段A4构造中部和南部预测优势含气区AVO异常模式

    Figure  5.  AVO anomaly models of predicted dominant gas-bearing zones in middle and southern parts of structure A4 in middle section of central canyon waterway in Qingdongnan Basin

    图  6  琼东南盆地中央峡谷深水区A4构造后续滚动勘探研究区有利油气勘探目标预测之典型地震剖面

    剖面位置见图 1

    Figure  6.  Typical seismic profile for prediction of favorable oil and gas exploration targets in subsequent rolling oil and gas exploration research area of structure A4 in deep-water central canyon in Qiongdongnan Basin

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出版历程
  • 收稿日期:  2023-08-14
  • 修回日期:  2023-12-12
  • 刊出日期:  2024-01-28

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