超深层礁滩岩性气藏中高产井成因分析——以川东北元坝地区长兴组礁滩相储层为例

范小军

doi:10.11781/sysydz201401070

超深层礁滩岩性气藏中高产井成因分析——以川东北元坝地区长兴组礁滩相储层为例

doi: 10.11781/sysydz201401070

范小军

中国石油化工股份有限公司勘探南方分公司勘探研究院, 成都 610041

基金项目: 中石化重点项目“元坝地区长兴组和飞仙关组储层描述与预测”（P09024）部分研究成果。

详细信息

作者简介:
范小军（1982-），男，硕士，工程师，从事油气地质勘探生产与研究工作。E-mail：york111888@126.com。

中图分类号: TE122.3⁺22
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出版历程
- 收稿日期: 2012-11-07
- 修回日期: 2013-12-06
- 刊出日期: 2014-01-28

Genetic analysis of high-yield wells of ultra-deep reef-shoal lithologic gas reservoirs：A case study of reef-shoal facies reservoirs in Changxing Formation, Yuanba area, northeastern Sichuan Basin

Fan Xiaojun

Research Institute of SINOPEC Exploration Southern Company, Chengdu, Sichuan 610041, China

摘要

摘要: 元坝地区长兴组气田自2007年勘探突破以来，截至目前已有多口井获日产超百万方高产工业气流，成为我国目前最深的以台地边缘礁滩相储层为主的大型礁滩岩性气田，勘探形势整体较好。为进一步明确其油气高产富集的控制因素，采用地质、测井及物探相结合的综合研究方法，指出优质储层发育是元坝长兴组获高产的主控因素和物质基础，同时输导体系特征、构造与优质储层发育的良好匹配共同控制了油气聚集及再分配，分析认为元坝地区西北部礁带区为元坝长兴组最有利的油气富集区，研究成果对下步挖掘研究区潜在有利勘探区或层系及扩大勘探成果有重要现实意义。
- 成因分析 /
- 高产井 /
- 礁滩相储层 /
- 长兴组 /
- 元坝地区 /
- 川东北
Abstract: Since the exploration breakthrough of year 2007, over 1 million m³ of industrial gas flows have been obtained from the Changxing Formation in the Yuanba area, and it is the deepest reef-shoal lithologic gas field in China which mainly develops reef-shoal facies reservoir in platform margin. To further clarify the controlling factors of natural gas enrichment, through the comprehensive research on geology, well logging and geophysics, it is pointed out that the high-quality reservoir development is the major controlling factor and material basis for the high yields of the Changxing Formation in the Yuanba area. Meanwhile, passage system features and the perfect match between structure and favorable reservoir control hydrocarbon accumulation and redistribution. Reef zones in the northwestern Yuanba area are most favorable for hydrocarbon accumulation. The research results have important practical significances for finding potential areas or strata and expanding exploration.
- genetic analysis /
- high-yield well /
- reef-shoal facies reservoir /
- Changxing Formation /
- Yuanba area /
- northeastern Sichuan Basin

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