超稠油油藏转小井距蒸汽驱条件及时机

李彦平; 张平; 揣金海; 李华; 孙鹏

超稠油油藏转小井距蒸汽驱条件及时机

1.
河南石油勘探开发研究院, 河南南阳 473132

2.
河南油田第2采油厂, 河南唐河 473400

3.
河南油田西部勘探公司, 新疆焉鳍 841100

基金项目: 中国石化总公司"十五"科技工程项目;薄层稠油提高采收率技术研究专题;"浅薄层稠油油藏蒸汽区开采技术研究"的子课题"蒸汽区条件、时机及助采参数优选研究"(编号:T00006-3-1)

收稿日期: 2003-01-03

修回日期: 2003-03-31

刊出日期: 2003-12-15

The study on switching to steamflooding conditions and opportunity from steam stimulation in super heavy oil reservoirs

1.
Henan Petroleum Exploration and development Institution Nanyong, 473132, China

2.
NO.2 Oil recorery, Henan oil field Tanghe 473400, China

3.
The West Exploration Company, Henan oil field yanqi 841100, China

Received Date: 03 January 2003

Revised Date: 31 March 2003

Publish Date: 15 December 2003

摘要

摘要: 蒸汽驱是稠油油藏经过蒸汽吞吐开采后进一步提高原油采收率的主要热采阶段。但不是说任何时候转驱都可取得较好的效果。笔者系统研究了影响蒸汽驱开采效果的因素:原油粘度、油层有效厚度、纯总厚度比、起始含油饱和度和油层非均质性等,确定出适宜蒸汽驱开采的油藏条件。在分析稠油油藏加密吞吐后油藏条件变化的基础上,利用油藏工程数值模拟技术研究确定出超稠油油藏转小井距蒸汽驱的合理时机。
- 超稠油 /
- 蒸汽驱 /
- 油藏条件 /
- 小井距 /
- 含油饱和度 /
- 油层非均质性 /
- 数值模拟
Abstract: Steamflooding is the main important stage in the thermal recovery of heavy oil reservoir, which can further enhance the recovery of heavy oil. But it does not mean any time might be reasonable to switch to steamflooding from stimulation. The author thoroughly studied those reservoir factors which impact the effect of steamflooding after comprehensively analyzing the main geologic features of super heavy oil reservoir in Henan oilfield. These reservoir condition for steamflooding are the net pay thickness of the oil forma tion,the ratio of net to gross thickness,the remaining oil saturation,the heterogeneity of oil formation and so on.On the basis of analyzing the changes of the reservoir condition after huff and puff in fillers,studied and confirmed the reasonable opportunity to switch to steam flooding from huff and puff with reservoir engeering methods and numerical simulation technology.
- super heavy oil /
- steamflooding /
- reservoir conditions /
- small well spacing /
- oil saturation heterogeneity /
- numerical simulation /

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参考文献(2)

刘文章.稠油注蒸汽热采工程[M].北京:石油工业出版社,1996.8.

凡哲元译,杜利(Duri) 油田的蒸汽驱油藏管理,SPE/DOE 27764.

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超稠油油藏转小井距蒸汽驱条件及时机

1. 河南石油勘探开发研究院, 河南 南阳 473132 2. 河南油田第2采油厂, 河南 唐河 473400 3. 河南油田西部勘探公司, 新疆 焉鳍 841100

The study on switching to steamflooding conditions and opportunity from steam stimulation in super heavy oil reservoirs

1. Henan Petroleum Exploration and development Institution Nanyong, 473132, China 2. NO.2 Oil recorery, Henan oil field Tanghe 473400, China 3. The West Exploration Company, Henan oil field yanqi 841100, China

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1.
河南石油勘探开发研究院, 河南南阳 473132

2.
河南油田第2采油厂, 河南唐河 473400

3.
河南油田西部勘探公司, 新疆焉鳍 841100

1.
Henan Petroleum Exploration and development Institution Nanyong, 473132, China

2.
NO.2 Oil recorery, Henan oil field Tanghe 473400, China

3.
The West Exploration Company, Henan oil field yanqi 841100, China