天然气地球科学

• 天然气开发 • 上一篇    下一篇

礁滩型碳酸盐岩气藏开发面临的问题及开发技术对策

闫海军,贾爱林,何东博,郭建林,杨学锋,朱占美   

  1. 1.中国石油勘探开发研究院,北京100083;
    2.中国石油西南油气田分公司勘探开发研究院,四川  成都 610050
  • 收稿日期:2013-05-20 修回日期:2013-06-21 出版日期:2014-03-10 发布日期:2014-03-10
  • 通讯作者: 闫海军yhj010@petrochina.com.cn E-mail:yhj010@petrochina.com.cn
  • 作者简介:闫海军(1983-),男,河南方城人,工程师,主要从事油气田开发地质研究.E-mail:yhj010@petrochina.com.cn.
  • 基金资助:

    “十二五”国家科技重大专项“复杂碳酸盐岩气藏开发技术”(编号:2011ZX05015-003);中国石油科技项目“天然气藏描述技术与动态模拟方法研究”(编号:2011B-1503)联合资助.

Developmental Problems and Strategies of Reef-shoal Carbonate Gas Reservoir

YAN Hai-jun,JIA Ai-lin,HE Dong-bo,GUO Jian-lin,YANG Xue-feng,ZHU Zhan-mei   

  1. 1.Research Institute of Petroleum Exploration and Development,PetroChina,Beijing 100083,China;
    2.Research Institute of Petroleum Exploration and Development,Southwest Oil and Gas Field Company, Chengdu 610050,China
  • Received:2013-05-20 Revised:2013-06-21 Online:2014-03-10 Published:2014-03-10

摘要:

礁滩型碳酸盐岩气藏不同于常规碎屑岩气藏,该类气藏的有效开发面临很大问题。龙岗气田是典型的礁滩型碳酸盐岩气藏,地质研究和试采动态特征研究表明气藏储层存在强烈的非均质性,气水关系复杂,部分试采井受地层水影响严重,同时不同类型气井生产特征表现出极大差异。该气藏有效开发主要面临储层非均质性评价、流体分布复杂性描述、储量计算以及产能评价等问题。针对该气藏开发面临的问题以及气藏开发特征,提出4条开发技术对策:①井—震联合开展储层精细描述,提高气藏开发规模;②布井方式采用不规则井网,提高气藏开发效益;③加强动态监测,科学管理气藏,提高气藏管理水平;④坚持“边勘探、边滚动、边建产”的开发思路,降低气藏开发风险。气藏开发技术对策的制定为龙岗气藏有效开发提供指导。

关键词: 礁滩型碳酸盐岩气藏, 开发问题, 气藏特征, 开发技术对策

Abstract:

 Reef-shoal carbonate gas reservoir is different from conventional sand gas reservoir and the effective development of this kind of reservoir is facing some problems.Longgang Gas field is a typical reef-shoal carbonate gas reservoir.The geological research and the trial production showed some characteristics,including the huge heterogeneity of reservoir,the extreme complexity of fluid distribution,the crucial influence on gas wells of formation water and the significant discrepancy in different development wells.The effective development of it mainly encountered problems of reservoir heterogeneity evaluation,fluid distribution description,reserves calculation and productivity evaluation.Aiming at these problems and development characteristics,four technical development strategies were proposed.(1)Utilize well-seismic combination technology for fine reservoir description to enlarge the gas reservoir development scale;(2)Use irregular well networks in the process of well pattern to improve the efficiency of gas reservoir development;(3)Strengthen dynamic monitoring and increase the ability of scientific management to improve the management levels of gas reservoir development;(4)Adhere to the development concept of integrated development to reduce the risk of gas reservoir development.The formulation of gas reservoir development technology strategies can provide guidance for the effective development of Longgang gas reservoir.

Key words: Reef-shoal carbonate gas reservoir, Development problems, Gas reservoir characteristics, Development technology strategies

中图分类号: 

  • TE344
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