[1]李 烨.德惠断陷万金塔东部断阶带致密气成藏特征[J].复杂油气藏,2020,13(04):18-22.[doi:10.16181/j.cnki.fzyqc.2020.04.004]
 LI Ye.Characteristics of tight gas accumulation in eastern faulted belt of Wanjinta in Dehui Fault Depression[J].Complex Hydrocarbon Reservoirs,2020,13(04):18-22.[doi:10.16181/j.cnki.fzyqc.2020.04.004]
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德惠断陷万金塔东部断阶带致密气成藏特征()
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《复杂油气藏》[ISSN:1674-4667/CN:31-2019/TQ]

卷:
13卷
期数:
2020年04期
页码:
18-22
栏目:
油气勘探
出版日期:
2020-12-25

文章信息/Info

Title:
Characteristics of tight gas accumulation in eastern faulted belt of Wanjinta in Dehui Fault Depression
作者:
李 烨
中国石化东北油气分公司勘探开发研究院,吉林 长春 130062
Author(s):
LI Ye
Exploration and Development Research Institute,Northeast Oil & Gas Branch,SINOPEC,Changchun 130062,China
关键词:
致密气藏成藏模式营城组万金塔断阶带德惠断陷
Keywords:
tight gas reservoirreservoir formation patternYingcheng FormationWanjinta Fault ZoneDehui Fault Depression
分类号:
TE122
DOI:
10.16181/j.cnki.fzyqc.2020.04.004
文献标志码:
A
摘要:
德惠断陷万金塔东部断阶带营城组发育扇三角洲前缘沉积,埋藏深度较大,储层物性差,为致密砂岩储层,发育致密砂岩气藏。根据烃源岩生排烃时间、断裂活动期次、储层成岩过程分析,断阶带致密气藏具有“早期充注型”致密气藏和“晚期充注型”致密气藏共存的成藏模式。“早期充注型”致密气藏是断阶带早期火石岭组烃源岩、断裂、储层良好组合形成的断块气藏,晚期储层致密化形成致密气藏的结果;“晚期充注型”致密气藏则是断阶带营城组烃源岩与致密砂体良好耦合的结果。
Abstract:
Fan delta front deposit has been developed in Yingcheng Formation in the eastern fault terrace zone of Wanjinta in Dehui Fault Depression.Due to the large burial depth and poor reservoir physical property,it is a tight sandstone reservoir.Drilling reveals that tight sandstone gas reservoirs are developed in this interval,but the reservoir formation pattern is complicated.According to the analysis of hydrocarbon generation and expulsion time of source rock,fault activity period,and reservoir diagenetic process,tight gas reservoirs in fault terrace zone have a coexistence model of “early filling type”and“late filling type”tight gas reservoirs.The“early filling type” tight gas reservoirs are the result of a good combination of source rocks,faults,and reservoirs in the Huoshiling Formation in the early fault-step belt to form a fault-block gas reservoir,and late reservoir densification to form tight gas reservoirs.The “late filling type”tight gas reservoir is the result of the good coupling between source rocks and tight sandbodies of the Yingcheng Formation in the fault-step belt.

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备注/Memo

备注/Memo:
收稿日期:2019-10-30;改回日期:2020-05-15。
作者简介:李烨(1984—),女,硕士,助理研究员,从事石油地质勘探生产科研工作。E-mail:563477478@qq.com。
更新日期/Last Update: 2020-12-31