Effect of hydrocarbon carbon atoms number on in-situ combustion

doi:10.7623/syxb201402013

ACTA PETROLEI SINICA ›› 2014, Vol. 35 ›› Issue (2): 326-331.DOI: 10.7623/syxb201402013

• Oil Field Development • Previous Articles Next Articles

Effect of hydrocarbon carbon atoms number on in-situ combustion

Qian Genbao¹, Cheng Hongjie², Zhang Yong³, Diao Changjun², Wang Bosheng⁴

1. Development Department, PetroChina Xinjiang Oilfield Company, Karamay 834000, China;
2. Research Institute of Exploration and Development, PetroChina Xinjiang Oilfield Company, Karamay 834000, China;
3. Karamay Drilling Company, CNPC Xibu Drilling Engineering Company Limited, Karamay 834000, China;
4. No.1 Production, PetroChina Xinjiang Oilfield Company, Karamay 834000, China

Received:2013-09-22 Revised:2014-01-02 Online:2014-03-25 Published:2014-04-11

不同碳原子数烃类对火驱燃烧效果的影响

钱根葆¹, 程宏杰², 张勇³, 刁长军², 王波生⁴

1. 中国石油新疆油田公司开发处新疆克拉玛依 834000;
2. 中国石油新疆油田公司勘探开发研究院新疆克拉玛依 834000;
3. 中国石油集团西部钻探工程有限公司克拉玛依钻井公司新疆克拉玛依 834000;
4. 中国石油新疆油田公司采油一厂新疆克拉玛依 834000

通讯作者: 程宏杰，男，1979年6月生，2002年毕业于大庆石油学院，现为中国石油新疆油田公司勘探开发研究院高级工程师，主要从事提高采收率研究工作。Email：chjie@petrochina.com.cn
作者简介:钱根葆，男，1960年9月生，1984年毕业于西南石油学院，2002年获西南石油大学博士学位，现为中国石油新疆油田公司开发处教授级高级工程师，主要从事老区方案调整、综合治理等研究。Email：qiangenbao@petrochina.com.cn
基金资助:
国家重大科技专项（2011ZX05012-002）资助。

Abstract

Abstract:

It was crucial to maintain the stability of high temperature combustion propulsion front for fire flooding process of oilfield development. The stratigraphic fuel for the formation of in-situ combustion was composed of hydrocarbons of different carbon numbers. The good effect of fire flooding process was related to the enough fuel for in-situ combustion. Due to the different hydrocarbons content and fuel supply, the effect of fire flooding process is different for various types of oil reservoirs. The effect of these hydrocarbons on in-situ combustion and the combustion performance of hydrocarbons were explored by one-dimensional physical simulation. The experimental results indicated that the hydrocarbons of C₅-C₁₆ was the main displacement components, the hydrocarbons of C₁₇-C₂₃ could act as part of fuel for energy, and the hydrocarbons over C₂₄₊ was supposed to be the main fuel of fire flooding.

Key words: fire flooding, carbon atoms number, physical simulation, fuel, displacement

摘要：

利用火驱技术进行油田开发，保持高温燃烧前缘稳定推进对开发效果至关重要，而在地下多孔介质中维持火驱前缘稳定燃烧的地层燃料，是由不同碳原子数烃类构成的，火驱开发效果的好坏则主要取决于原油中是否有足够的燃料维持燃烧。不同类型油藏由于烃类含量不同，能够为火驱燃烧提供的燃料量差异也较大，从而使最终开发效果的差别也较大。为了分析在火驱过程中不同烃类的燃烧性能，通过一维物理模拟实验研究了不同烃类对燃烧效果的影响。实验结果表明：碳原子数为C₅—C₁₆的烃类是主要的被驱替组分，碳原子数为C₁₇—C₂₃的烃类部分可以充当燃料提供能量，碳原子数为C₂₄₊以上的烃类是火驱的主要燃料。

关键词: 火驱, 碳原子数, 物理模拟, 燃料, 驱替

CLC Number:

TE357.41

Qian Genbao, Cheng Hongjie, Zhang Yong, Diao Changjun, Wang Bosheng. Effect of hydrocarbon carbon atoms number on in-situ combustion[J]. ACTA PETROLEI SINICA, 2014, 35(2): 326-331.

钱根葆, 程宏杰, 张勇, 刁长军, 王波生. 不同碳原子数烃类对火驱燃烧效果的影响[J]. 石油学报, 2014, 35(2): 326-331.

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Effect of hydrocarbon carbon atoms number on in-situ combustion

不同碳原子数烃类对火驱燃烧效果的影响

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