柴达木盆地乌南油田N12、N22碎屑岩储层特征及其影响因素分析

刘得文

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柴达木盆地乌南油田N12、N22碎屑岩储层特征及其影响因素分析

刘得文

文章导航 > 沉积学报 > 2009 > 27(4): 657-666

刘得文. 柴达木盆地乌南油田N12、N22碎屑岩储层特征及其影响因素分析[J]. 沉积学报, 2009, 27(4): 657-666.

引用本文:

刘得文. 柴达木盆地乌南油田N12、N22碎屑岩储层特征及其影响因素分析[J]. 沉积学报, 2009, 27(4): 657-666.

LIU Dewen. Detrital Reservoir Characteristics and Its Controlling Factors in Clastic Reservoir N12 and N22 of Wunan Oilfield , Qaidam Basin[J]. Acta Sedimentologica Sinica, 2009, 27(4): 657-666.

Citation:

LIU Dewen. Detrital Reservoir Characteristics and Its Controlling Factors in Clastic Reservoir N12 and N22 of Wunan Oilfield , Qaidam Basin[J]. Acta Sedimentologica Sinica, 2009, 27(4): 657-666.

刘得文. 柴达木盆地乌南油田N12、N22碎屑岩储层特征及其影响因素分析[J]. 沉积学报, 2009, 27(4): 657-666.

引用本文:

刘得文. 柴达木盆地乌南油田N12、N22碎屑岩储层特征及其影响因素分析[J]. 沉积学报, 2009, 27(4): 657-666.

Citation:

柴达木盆地乌南油田N12、N22碎屑岩储层特征及其影响因素分析

刘得文

中国科学院地质与地球物理研究所油气资源研究重点实验室兰州 730000

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Detrital Reservoir Characteristics and Its Controlling Factors in Clastic Reservoir N12 and N22 of Wunan Oilfield , Qaidam Basin

LIU Dewen

Key Laboratory of Petroleum Resources Research, Institute of Geology and Geophysics, Chinese Academy of Sciences, Lanzhou 730000

More Information

Corresponding author: LIU Dewen

摘要

摘要: 利用岩石和铸体薄片、扫描电镜、元素分析、压汞等分析测试手段，特针对N12和N22碎屑岩储层特征、成岩作用以及影响因素，对30余口井的样品和资料进行了分析研究。结果表明，乌南油田N12和N22砂岩储层岩石类型为长石岩屑砂岩和岩屑长石砂岩；经历的主要成岩作用类型有粘土膜（粘土环边）的形成、机械压实作用、胶结作用、交代作用和溶解作用。砂岩储层孔隙类型主要是次生孔隙和原生粒间孔隙，其中次生粒间溶孔占绝对优势，其次是基质内微孔隙和裂缝孔隙。孔隙度多为8%～18%，渗透率多为0.5×10-3～10×10-3 μm2，属中低孔低渗储层。影响研究区储层物性的主要因素有沉积相带、成岩作用和孔隙结构，其中最有利的储集砂体微相为分流河道和河口坝（细砂岩和粉砂岩相），其次为远砂坝粉砂岩相，间湾薄层砂岩储集性能差。胶结作用和溶蚀作用是影响乌南油田N12和N22储层的最主要的成岩作用。
- 储层特征 /
- 成岩作用 /
- 物性 /
- 乌南油田 /
- 柴达木盆地
Abstract: Wunan Oilfield is one of the most important oil and gas fields in Qaidam basin. Its exploration since the beginning of 1957. The Nancan2 Well found industrial oil flow after the oil test in 1979. In recent years, in the Lv6 Well, Lv2 Well, Wu3 Well and Wu4 Well and many much wells were found industrial oil flow in the stratum of N12 and N22. This article aims at clastic reservoir characteristics, diagenesis and the factors influencing on the stratum of N12 and N22. Through analyse the data of at least 30 wells, use the sections, scanning electron microscope , element analysis, mercury porosimetry and many other means studies, the result shows that the sandstone reservoir rocktype are feldspar debris sandstone and debris feldspar sandstone in stratum of N12 and N22 Wunan Oilfield. The main diagenesis types include of clay film (ClayCentral)，the machinemade compaction, cementation，displacement and dissolution. Thereinto cementation and dissolution is the most important diagenesis in the stratum of N12 and N22 in Wunan Oilfield. Porosity mainly distributed in 8% to 18%, the permeability are mainly distributed in the 0.5×103μm210×103μm2, as the lowporosity and permeability reservoir. The main effect factors of reservoir porosity and permeability include sedimentary facies, diagenesis and structure of reservoir, thereinto, the favorable sedimentary facies are distributary channel and estuary (sandstone and siltite facies), secondly, siltstone facies of distal bar, at last, the reservoir quality of thin sand of the bay is poor.
- reservoir characteristics /
- diagenesis /
- porosity and permeability /
- Wunan Oilfield /
- Qaidam Basin

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[1]	陈琰, 夏晓敏, 赵健, 崔俊, 乔柏瀚, 赵东升, 高红灿, 王义, 谭莉. 柴达木盆地西部地区新近系藻灰岩沉积特征及形成机制 . 沉积学报, 2022, 40(5): 1323-1334. doi: 10.14027/j.issn.1000-0550.2021.056
[2]	赵迪斐, 郭英海, WangGeoff, 李冠霖, 曾春林, 焦伟伟. 层序地层格架及其对页岩储层发育特征的影响-以四川盆地龙马溪组页岩为例 . 沉积学报, 2020, 38(2): 379-397. doi: 10.14027/j.issn.1000-0550.2019.043
[3]	赵帮胜, 李荣西, 覃小丽, 刘福田, 吴小力, 赵迪, 刘齐, 周伟. 鄂尔多斯盆地中部上古生界山西组页岩储层特征 . 沉积学报, 2019, 37(6): 1140-1151. doi: 10.14027/j.issn.1000-0550.2019.054
[4]	侯云超, 樊太亮, 王宏语, 史大海, 陈清棠, 杨润泽. 银额盆地拐子湖凹陷深层优质储层特征及形成机理 . 沉积学报, 2019, 37(4): 758-767. doi: 10.14027/j.issn.1000-0550.2018.167
[5]	杨永恒, 孙国强, 王晔桐, 朱文军, 秦彩虹, 管斌. 柴达木盆地北缘平台地区路乐河组沉积环境与成岩流体特征 . 沉积学报, 2019, 37(6): 1258-1268. doi: 10.14027/j.issn.1000-0550.2019.008
[6]	郭佳佳, 孙国强, 门宏建, 朱文军, 马进业, 朱军, 管斌, 史基安. 柴北缘腹部深层异常高孔—渗储层成因分析 . 沉积学报, 2018, 36(4): 777-786. doi: 10.14027/j.issn.1000-0550.2018.112
[7]	包建平, 王志峰, 朱翠山, 汪立群, 陈琰, 周飞. 柴达木盆地东坪地区一类新的原油及其地球化学特征 . 沉积学报, 2018, 36(4): 829-841. doi: 10.14027/j.issn.1000-0550.2018.074
[8]	操应长, 程鑫, 王艳忠, 马奔奔. 车镇北带古近系砂砾岩储层成岩作用特征及其对物性的影响 . 沉积学报, 2015, 33(6): 1192-1203. doi: 10.14027/j.cnki.cjxb.2015.06.012
[9]	何国源. 柴达木盆地南翼山油田的油气充注成藏途径 . 沉积学报, 2009, 27(4): 769-776.
[10]	罗忠. 层序界面对砂岩成岩作用及储层质量的影响——以鄂尔多斯盆地延河露头上三叠统延长组为例 . 沉积学报, 2007, 25(6): 903-914.
[11]	孟元林. 渤海湾盆地西部凹陷南段成岩相分析与优质储层预测 . 沉积学报, 2006, 24(2): 185-192.
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柴达木盆地乌南油田N12、N22碎屑岩储层特征及其影响因素分析

刘得文

中国科学院地质与地球物理研究所油气资源研究重点实验室兰州 730000

通讯作者: 刘得文

收稿日期: 1900-01-01
修回日期: 1900-01-01
刊出日期: 2009-08-10

关键词:

物性 /

摘要: 利用岩石和铸体薄片、扫描电镜、元素分析、压汞等分析测试手段，特针对N12和N22碎屑岩储层特征、成岩作用以及影响因素，对30余口井的样品和资料进行了分析研究。结果表明，乌南油田N12和N22砂岩储层岩石类型为长石岩屑砂岩和岩屑长石砂岩；经历的主要成岩作用类型有粘土膜（粘土环边）的形成、机械压实作用、胶结作用、交代作用和溶解作用。砂岩储层孔隙类型主要是次生孔隙和原生粒间孔隙，其中次生粒间溶孔占绝对优势，其次是基质内微孔隙和裂缝孔隙。孔隙度多为8%～18%，渗透率多为0.5×10-3～10×10-3 μm2，属中低孔低渗储层。影响研究区储层物性的主要因素有沉积相带、成岩作用和孔隙结构，其中最有利的储集砂体微相为分流河道和河口坝（细砂岩和粉砂岩相），其次为远砂坝粉砂岩相，间湾薄层砂岩储集性能差。胶结作用和溶蚀作用是影响乌南油田N12和N22储层的最主要的成岩作用。

English Abstract

Detrital Reservoir Characteristics and Its Controlling Factors in Clastic Reservoir N12 and N22 of Wunan Oilfield , Qaidam Basin

LIU Dewen

Key Laboratory of Petroleum Resources Research, Institute of Geology and Geophysics, Chinese Academy of Sciences, Lanzhou 730000

Corresponding author: LIU Dewen

Received Date: 1900-01-01
Rev Recd Date: 1900-01-01
Publish Date: 2009-08-10

Keywords:

Abstract: Wunan Oilfield is one of the most important oil and gas fields in Qaidam basin. Its exploration since the beginning of 1957. The Nancan2 Well found industrial oil flow after the oil test in 1979. In recent years, in the Lv6 Well, Lv2 Well, Wu3 Well and Wu4 Well and many much wells were found industrial oil flow in the stratum of N12 and N22. This article aims at clastic reservoir characteristics, diagenesis and the factors influencing on the stratum of N12 and N22. Through analyse the data of at least 30 wells, use the sections, scanning electron microscope , element analysis, mercury porosimetry and many other means studies, the result shows that the sandstone reservoir rocktype are feldspar debris sandstone and debris feldspar sandstone in stratum of N12 and N22 Wunan Oilfield. The main diagenesis types include of clay film (ClayCentral)，the machinemade compaction, cementation，displacement and dissolution. Thereinto cementation and dissolution is the most important diagenesis in the stratum of N12 and N22 in Wunan Oilfield. Porosity mainly distributed in 8% to 18%, the permeability are mainly distributed in the 0.5×103μm210×103μm2, as the lowporosity and permeability reservoir. The main effect factors of reservoir porosity and permeability include sedimentary facies, diagenesis and structure of reservoir, thereinto, the favorable sedimentary facies are distributary channel and estuary (sandstone and siltite facies), secondly, siltstone facies of distal bar, at last, the reservoir quality of thin sand of the bay is poor.

刘得文. 柴达木盆地乌南油田N12、N22碎屑岩储层特征及其影响因素分析[J]. 沉积学报, 2009, 27(4): 657-666.

引用本文:

刘得文. 柴达木盆地乌南油田N12、N22碎屑岩储层特征及其影响因素分析[J]. 沉积学报, 2009, 27(4): 657-666.

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柴达木盆地乌南油田N12、N22碎屑岩储层特征及其影响因素分析

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刘得文

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Detrital Reservoir Characteristics and Its Controlling Factors in Clastic Reservoir N12 and N22 of Wunan Oilfield , Qaidam Basin

Corresponding author: LIU Dewen

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柴达木盆地乌南油田N12、N22碎屑岩储层特征及其影响因素分析

中国科学院地质与地球物理研究所油气资源研究重点实验室兰州 730000

通讯作者: 刘得文

English Abstract

Detrital Reservoir Characteristics and Its Controlling Factors in Clastic Reservoir N12 and N22 of Wunan Oilfield , Qaidam Basin

Key Laboratory of Petroleum Resources Research, Institute of Geology and Geophysics, Chinese Academy of Sciences, Lanzhou 730000

Corresponding author: LIU Dewen

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柴达木盆地乌南油田N12、N22碎屑岩储层特征及其影响因素分析

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Detrital Reservoir Characteristics and Its Controlling Factors in Clastic Reservoir N12 and N22 of Wunan Oilfield , Qaidam Basin

Corresponding author: LIU Dewen

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柴达木盆地乌南油田N12、N22碎屑岩储层特征及其影响因素分析

中国科学院地质与地球物理研究所油气资源研究重点实验室 兰州 730000

通讯作者: 刘得文

English Abstract

Detrital Reservoir Characteristics and Its Controlling Factors in Clastic Reservoir N12 and N22 of Wunan Oilfield , Qaidam Basin

Key Laboratory of Petroleum Resources Research, Institute of Geology and Geophysics, Chinese Academy of Sciences, Lanzhou 730000

Corresponding author: LIU Dewen

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通讯作者:
刘得文

中国科学院地质与地球物理研究所油气资源研究重点实验室兰州 730000