准噶尔盆地西北缘红山嘴油田地层水特征与油气藏聚集关系

doi:10.11743/ogg20130206

石油与天然气地质 ›› 2013, Vol. 34 ›› Issue (2): 179-184.doi: 10.11743/ogg20130206

准噶尔盆地西北缘红山嘴油田地层水特征与油气藏聚集关系

任国选¹, 侯读杰¹, 史玉玲², 鲁秀芹³, 杨志东⁴, 李红⁴

1. 中国地质大学能源学院,北京 100083;
2. 中海石油深圳分公司,广东广州 510240;
3. 中国石油华北油田分公司勘探开发研究院,河北任丘 062552;
4. 中国石油新疆油田分公司,新疆克拉玛依 834000

收稿日期:2012-03-26 修回日期:2013-02-10 出版日期:2013-04-28 发布日期:2013-05-02
作者简介:任国选(1980—),男,博士研究生,油气成藏。
基金资助:
国家自然科学基金项目(40972097)。

Relationship between formation water characteristics and hydrocarbon accumulation in Hongshangzui oilfield in the northwestern margin of the Junggar Basin

Ren Guoxuan¹, Hou Dujie¹, Shi Yuling², Lu Xiuqin³, Yang Zhidong⁴, Li Hong⁴

1. School of Energy, China University of Geosciences, Beijing 100083, China;
2. Shenzhen Branch of CNOOC, Guangzhou, Guangdong 510240, China;
3. Exploration and Development Research Institute, PetroChina Huabei Oilfield Company, Renqiu, Huabei 062552, China;
4. PetroChina Xinjiang Oilfield Company, Karamay, Xinjiang 834000, China

Received:2012-03-26 Revised:2013-02-10 Online:2013-04-28 Published:2013-05-02

摘要/Abstract

摘要：

通过对准噶尔盆地西北缘红山嘴油田地层水平面分布特征和垂向变化规律的研究,揭示了该油田油气运移、聚集规律。红山嘴油田原油来自二叠系风城组和乌尔禾组,原油沿着不整合面和燕山期构造运动形成的近南北向断裂带,从东南向西北方向运移。从油气藏的分布特征和地层水的化学特征对比中得出,地层水的保存环境直接指示了油气藏的成藏环境;地层水所指示的封闭环境,均有良好的油气藏发现。燕山期构造运动断开了红山嘴油田石炭系至白垩系。通过断层两盘的地层水特征对比,发现燕山期运动后所形成的南北向断裂带处于开启状态,红车断裂带北段油气藏封闭性差,出现油气散失;通过原油密度分布与饱和烃气相色谱关系研究,得出红车断裂带北段经过水洗和生物降解后形成红山嘴稠油区。红车断裂带南段,由于白碱滩组巨厚层泥岩盖层的封盖作用,油气藏保存条件较好;在近东西向断层遮挡等情况下,形成了良好的断块油气藏。

关键词: 矿化度, 地层水, 油气运移聚集, 红山嘴油田, 红车断裂带, 准噶尔盆地

Abstract:

The paper describes the plane distribution and vertical variation of formation water of the Hongshangzui oilfield in the northwestern margin of Junggar Basin for the purpose of investigating the hydrocarbon migration and accumulation patterns.Crude oil in Hongshanzui oil field was sourced from the Permian Fengcheng Formation and Wuerhe Formation and migrated along the unconformity and of the nearly S-N trending fault zone that was formed during the Yanshanian movement.Correlation of reservoir distribution with chemical feature of formation water indicates that the environment formation water preservation is an direct indicator of the setting of hydrocarbon accumulation and all of the sealed environments indicated by formation water have oil/gas discoveries.The strata from the Carboniferous to the Cretaceous were faulted by the Yanshanian Movement.The comparison of formation water properties between the hanging wall and foot wall shows that the N-S trending faulted zone formed after the Yanshanian movement is open and the northern segment of the Hongche fault belt has poor sealing condition resulting in loss of hydrocarbon and local light oil reservoirs.Analysis of relationship between crude oil density distribution and saturated hydrocarbon gas chromatography shows that a heavy oil zone was formed in the northern segment of the Hongche fault belt by washing and biodegradation.In contrast,the sou-thern segment of the fault belt has good reservoir preservation conditions due to the sealing of the huge thick mudstone in the Baijiantan Formation.Good fault block reservoir can be formed under the sealing of the E-W trending fault.

Key words: total dissolved solid (TDS), formation water, hydrocarbon migration and accumulation, Hongshanzui oilfield, Hongche fault belt, Junggar Basin

中图分类号:

TE121.1

任国选,侯读杰,史玉玲,等. 准噶尔盆地西北缘红山嘴油田地层水特征与油气藏聚集关系[J]. 石油与天然气地质, 2013, 34(2): 179-184. doi: 10.11743/ogg20130206 Ren Guoxuan,Hou Dujie,Shi Yuling,et al. Relationship between formation water characteristics and hydrocarbon accumulation in Hongshangzui oilfield in the northwestern margin of the Junggar Basin[J]. Oil & Gas Geology, 2013, 34(2): 179-184. doi: 10.11743/ogg20130206

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准噶尔盆地西北缘红山嘴油田地层水特征与油气藏聚集关系

Relationship between formation water characteristics and hydrocarbon accumulation in Hongshangzui oilfield in the northwestern margin of the Junggar Basin

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