|Table of Contents|

Study on Oil/gas Boiling Inclusion Group of Chang-8 Oil-bearing Bed in Zhiluo Oilfield, the Southern of Ordos Basin(PDF)

《地球科学与环境学报》[ISSN:1672-6561/CN:61-1423/P]

Issue:
2011年第02期
Page:
146-151
Research Field:
基础地质与矿产地质
Publishing date:

Info

Title:
Study on Oil/gas Boiling Inclusion Group of Chang-8 Oil-bearing Bed in Zhiluo Oilfield, the Southern of Ordos Basin
Author(s):
WANG Zhi-hui1; 2; HUANG Wei2
1. School of Oil and Gas Resources, Xi'an Shiyou University, Xi'an 710065, Shaanxi, China; 2. Zhiluo Oil Production Plant,Yanchang Oilfield Company Limited, Shaanxi Yanchang PetroleumGroupCompany Limited, Fuxian 727500, Shaanxi, China
Keywords:
Ordos Basin;  oil/gas boiling inclusion group;  shear fracture;  shear-slip fracture;  oil/gas migration;  geological model of seismic pumping
PACS:
TE122.1+2;P618.130.1;P575
DOI:
-
Abstract:
By the means of laser Raman spectroscopy and filling degree of inclusion, the inclusion groups of fillings of Chang-8 oil-bearing beds from wells Funan3 and Funan6 in Zhiluo Oilfield, the southern of Ordos Basin were studied. The results showed that the oil/gas boiling inclusion groups of Chang-8 oil-bearing beds from wells Funan3 and Funan6 were exactly the same to that from well Ying16 in Yingwang Oilfield, and a lot of bubbles moved constantly; the geological phenomenon for oil/gas boiling inclusion groups were not isolated and occasional. The characteristics of incipient fracture core of Chang-8 oil-bearing beds from wells Funan3, Funan6 and Ying16 were shear-slip and shear fractures, and tensile-bearing stress was alternately active under the action of regional structure; decompression boiling of oil in the oil-bearing bed happened in an instant when tensile stress was active, light cut fraction and other fluids flowed into fracture because of the connection of fracture and oil-bearing bed; fracture closed on the whole while the bearing stress was active, a part of fluid returned to the original oil-bearing bed, and another was overflowed onto other fracture so that new oil reservoir formed; calcium carbonate, which remained in the original fracture, crystallized gradually under the high strata pressure and wrapped the rudimental light cut fraction, so that the oil/gas inclusion groups formed; the formation pressure of the inclusion was high, and the inclusion included light cut fraction, so that the inclusion was in a state of boiling at normal temperatures and pressures; the above process happened again and again, and the oil/gas boiling inclusion groups, which distributed along the line of crystal growth, formed lamellar and ribbon in the fillings of fractures. The formation processes of oil/gas boiling inclusion groups were the migration mechanism of seismic pumping and enriched the geological model of seismic pumping.

References:

[1] Xie G C,Zheng Z W,Li R X,et al.The Oil/gas Boiling Inclusion and Its Geological Significance[C]∥Committee of the 33rd International Geological Congress. Proceedings of the 33rd International Geological Congress. Oslo: International Geological Congress,2008:328.
[2] Shepherd T J, Rankin A H,Alderton D H M.流体包裹体研究实践指南[M].张恩世,张文怀,高怀忠,译.武汉:中国地质大学出版社,1990.
[3] 卢焕章,范宏瑞,倪 培,等.流体包裹体[M].北京:科学出版社,2004.
[4] Sibson R H, Moore J M M, Rankin A H.Seismic Pumping:a Hydrothermal Fluid Transport Mechanism[J].Journal of the Geological Society,1975,131(6):653-659.
[5] 邸领军,张东阳,王宏科.鄂尔多斯盆地喜山期构造运动与油气成藏[J].石油学报,2003,24(2):34-37.
[6] 王朋岩,赵 荣.松辽盆地西斜坡构造运动强度与油气运移[J].天然气工业,2006,26(7):8-10.
[7] 孙永河,付晓飞,吕延防,等.地震泵抽吸作用与油气运聚成藏物理模拟[J].吉林大学学报:地球科学版,2007,37(1):98-104.
[8] 邱楠生,康永尚,樊洪海,等.柴达木盆地西部地区第三系温度压力和油气分布相互关系探讨[J].地球物理学报,1999,42(6):826-833.
[9] 阎福礼,贾 东,卢华复,等.东营凹陷油气运移的地震泵作用[J].石油与天然气地质,1999,20(4):295-298.
[10] 邱楠生,张善文,金之钧.东营凹陷油气流体运移模式探讨——来自沸腾包裹体的证据[J].石油实验地质,2001,23(4):403-407.
[11] 下寺湾采油厂.下寺湾油田裂缝高产井分布规律研究及其靶区优选[R].延安:陕西延长石油(集团)有限责任公司延长油田股份有限责任公司,2008.
[12] 高振东.下寺湾式岩性封闭裂缝油藏的建立[J].地球科学与环境学报,2008,30(3):265-270.
[13] 长庆油田石油地质志编写组.中国石油地质志卷十二:长庆油田[M].北京:石油工业出版社,1992.
[14] 陕西省地质矿产局.全国地层多重划分对比研究61:陕西省岩石地层[M].武汉:中国地质大学出版社,1998.
[15] 王新辉.液化气船货物压力的控制[J].天津航海,2000(2):3-4.
[16] 王 战,吴文奎,谢广成,等.中国地壳的镶嵌构造与波浪运动[M].北京:地质出版社,1996.

Memo

Memo:
-
Last Update: 2011-06-20