西南石油大学学报(自然科学版)

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川西北中三叠统雷一1 勘探前景分析

黄东1,李红亮2,蒋静萍3,石学文1,汪华1   

  1. 1. 中国石油西南油气田公司勘探开发研究院,四川成都610041
    2. 中国石油西南油气田公司勘探事业部,四川成都610041
    3.《天然气工业》杂志社,四川成都610041  
  • 出版日期:2014-02-01 发布日期:2014-02-01

The Exploration Prospects of T2l1
1,Middle Triassic in
Northwestern Sichuan

Huang Dong1, Li Hongliang2, Jiang Jingping3, Shi Xuewen1, Wang Hua1   

  1. 1. Exploration and Development Research Institute,Southwest Oil and Gas Field Company,PetroChina,Chengdu,Sichuan 610041,China
    2. Exploration Division,Southwest Oil and Gas Field Company,PetroChina,Chengdu,Sichuan 610041,China
    3. Editor’s Office of Natural Gas Industry,Chengdu,Sichuan 610041,China
  • Online:2014-02-01 Published:2014-02-01

摘要:

四川盆地雷口坡组资源量大,除勘探早期发现卧龙河、磨溪雷一1 气藏外,其余地方尚未在雷一段获得规模
储量。随着川西地区海相层系勘探步伐的加快,特别是川西北地区勘探程度的深入,雷一1 逐渐显示出良好的勘探前
景。在川西北雷口坡组地层厘定的基础上,根据野外剖面、岩屑样品、钻井和试油等资料,认为川西北地区雷一1储层
有着与川中磨溪、川东卧龙河相似或者相当的储集性能,均属于受滩相控制的储层。与此同时,该区经历了多期次的
构造运动,构造圈闭、断层发育,有利于油气的运移和聚集,综合分析后认为,龙门山前缘中北段的中坝—双鱼石以及
米仓山前缘的梅树铺—九龙山一带是最有利的勘探区带。

关键词: 地层厘定, 储集性能, 滩相, 运移聚集, 雷一1, 川西北

Abstract:

Leikoupo Formation has a large amount of resources,but in addition to the previously found Wolonghe,Moxi gas
reservoir,no other reserve of scale has been found. With the progress of exploration of the marine strata in western Sichuan,especially
further degree of exploration,the T2l1
1 gradually exhibits its good exploration prospects. Based on Leikoupo Formation
determination,and according the field profile,debris samples,oil drilling and test data analysis,we think that the sub-section
of the T2l1
1 belongs to the reservoir controlled by shale facies which is similar or equivalent to Moxi and Wolonghe reservoirs.
Structural traps and fault development in the area are conducive to oil and gas migration and accumulation. Comprehensive
analysis reveals that the most favorable exploration zones are the Zhongba—Shuangyushi belt in the front north of Longmen
mountain and the Meishupu—Jiulongshan belt in the front of Micangshan mountain.

Key words: formation determination, reservoir performance, shoal facies, migration and accumulation, T2l1
1,
northwestern
Sichuan