柴达木盆地跃进地区E31、N1、N21碎屑岩储层特征

沈安江; 朱国华; 寿建峰; 徐洋

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柴达木盆地跃进地区E₃¹、N₁、N₂¹碎屑岩储层特征

沈安江, 朱国华, 寿建峰, 徐洋

文章导航 > 沉积学报 > 2001 > 19(1): 71-78

沈安江, 朱国华, 寿建峰, 徐洋. 柴达木盆地跃进地区E31、N1、N21碎屑岩储层特征[J]. 沉积学报, 2001, 19(1): 71-78.

引用本文:

沈安江, 朱国华, 寿建峰, 徐洋. 柴达木盆地跃进地区E₃¹、N₁、N₂¹碎屑岩储层特征[J]. 沉积学报, 2001, 19(1): 71-78.

SHEN An jiang, ZHU Guo hua, SHOU Jian feng, XU Yang. A Research on E3l Nl N2l Clastic Rock Reservoir in Yuejin Area,Oaidam Basin,Northwest China[J]. Acta Sedimentologica Sinica, 2001, 19(1): 71-78.

Citation:

SHEN An jiang, ZHU Guo hua, SHOU Jian feng, XU Yang. A Research on E₃^l N_l N₂^l Clastic Rock Reservoir in Yuejin Area,Oaidam Basin,Northwest China[J]. Acta Sedimentologica Sinica, 2001, 19(1): 71-78.

沈安江, 朱国华, 寿建峰, 徐洋. 柴达木盆地跃进地区E31、N1、N21碎屑岩储层特征[J]. 沉积学报, 2001, 19(1): 71-78.

引用本文:

沈安江, 朱国华, 寿建峰, 徐洋. 柴达木盆地跃进地区E₃¹、N₁、N₂¹碎屑岩储层特征[J]. 沉积学报, 2001, 19(1): 71-78.

SHEN An jiang, ZHU Guo hua, SHOU Jian feng, XU Yang. A Research on E3l Nl N2l Clastic Rock Reservoir in Yuejin Area,Oaidam Basin,Northwest China[J]. Acta Sedimentologica Sinica, 2001, 19(1): 71-78.

Citation:

柴达木盆地跃进地区E₃¹、N₁、N₂¹碎屑岩储层特征

中国石油天然气股份有限公司储层重点实验室杭州 310023

详细信息

作者简介:
沈安江男 1965年出生博士沉积地质学

中图分类号: TE122.2⁺22

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文章访问数: 550
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PDF下载量: 560
被引次数: 0

A Research on E₃^l N_l N₂^l Clastic Rock Reservoir in Yuejin Area,Oaidam Basin,Northwest China

Hangzhou Institute of Petroleum Geology, CNPC,Hangzhou 310023

摘要

摘要: 通过 15口井近百个铸体片的鉴定及压汞数据的分析,对跃进地区E₃¹、N₁、N₂¹碎屑岩储层取得如下认识 :①长石砂岩、岩屑长石砂岩、长石岩屑砂岩为主,成分成熟度和结构成熟度均较低;②储层经历压实压溶作用、成岩自生矿物胶结和溶解作用,剩余原生粒间孔占绝对优势,相同层位地层在跃东和跃西因埋藏深度不同导致成岩—孔隙演化史也不同,西区储层物性明显优于东区;③储层主要发育于水上分流河道、砂坪和辫状河道微相,碎屑的成份和结构成熟度、填隙物含量、成岩环境对储层性质有重要影响;④西区E₃¹储层属高孔中渗的Ⅱ类储层,大孔细喉道组合特征,储集物性较佳,东区E₃¹储层属特低孔特低渗的Ⅴ类储层,中孔微细喉道组合特征,储层物性不理想,N₁储层属低孔特低渗的Ⅳ—Ⅴ类储层,大孔小喉道组合特征,渗透率不佳.
- 柴达木盆地 /
- 跃进地区 /
- 成岩变化 /
- 孔隙演化 /
- 孔隙结构
Abstract: More attention has been paid to the report of hvdrocarhon from E₃¹、N₁、N₂¹ clastic rock reservoir in Yucjin area Qaidam hasin, northcrnwcst China. Based on research of approximate one hundred cast thin sections and mcrcurv intrusion curve from 15 wells, some results on E₃¹、N₁、N₂¹ elastic rock reservoir in Yuejin area have been obtained.as follows:①The elastic rock reservoir was composed of fcldspathic sandstone } lithic arkosc and fcldspathic litharcnitc which is characterized by lower composition and texture maturity②The elastic rock reservoir has undergone compaction, pressure dissolution, authigcnc(fcrroan calcite, dolomite, anhydrite, cuthalitc, fcrroan dolomite pyrite ) ccmcntation and dissolution, which results in the forming of overwhelming relic primary intcrgranular pore.Corrclatahlc beds from eastern Yucjin and western Yucjin have different diagcnctic-porosity evolution because of their different burial depths which results in a more favourable reservoir in western Yucjin than in eastern Yuejin,③E₃¹、N₁、N₂¹ elastic rock reservoir developed under distrihutarv channel sand flat and braided channel microfacics.Reservoir quality was controlled by composition and texture maturity, matrix material and diagcnctic environment}depth especially),④E₃, elastic rock reservoir from western Yucjin characterized by very large, large and medium pore,Ⅱ-grade( high porosity and medium permeability ) in reservoir quality and a combination of large porefine throat while E₃ elastic rock reservoir from eastern Yucjin did large and medium pore,Ⅴ-graded (very low porosity(very low permeability) in reservoir quality and a combination of medium pore-very fine throat. N₁ elastic rock reservoir in Yucjin area characterized by very large large and medium pore,Ⅳ-andⅤ-grade( low porosity and very low permeability) in reservoir quality and a combination of large pore-very fine throat.
- Qaidam Basin /
- Yuejin area /
- diagenesis /
- porosity evoiution /
- pore and throat combination

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参考文献(1)

[1]	1 青藏油气区石油地质志编写组. 中国石油地质志（青藏油气区）. 第十四卷[M]. 北京：，石油工业出版社，1987 2 张景廉，张平中. 黄铁矿对有机质成烃的催化作用讨论[J]. 地球科学进展，1996，11（3）：282 ~ 287 3 Carlos H，Bruhn. L. Reservoir Architecture of Deep-Lacustrine Sandstones from the Early Cretaceous Reconcavo Rift Basin，BraziI[J]. AAPG Bull，1999，83（9）：1502 ~ 1525

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[18]	朱国华. 碎屑岩储集层孔隙的形成、演化和预测 . 沉积学报, 1992, 10(3): 114-123.
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柴达木盆地跃进地区E₃¹、N₁、N₂¹碎屑岩储层特征

中国石油天然气股份有限公司储层重点实验室杭州 310023

作者简介:
沈安江男 1965年出生博士沉积地质学

收稿日期: 2000-01-11
修回日期: 2000-02-18

中图分类号: TE122.2⁺22

关键词:

摘要: 通过 15口井近百个铸体片的鉴定及压汞数据的分析,对跃进地区E₃¹、N₁、N₂¹碎屑岩储层取得如下认识 :①长石砂岩、岩屑长石砂岩、长石岩屑砂岩为主,成分成熟度和结构成熟度均较低;②储层经历压实压溶作用、成岩自生矿物胶结和溶解作用,剩余原生粒间孔占绝对优势,相同层位地层在跃东和跃西因埋藏深度不同导致成岩—孔隙演化史也不同,西区储层物性明显优于东区;③储层主要发育于水上分流河道、砂坪和辫状河道微相,碎屑的成份和结构成熟度、填隙物含量、成岩环境对储层性质有重要影响;④西区E₃¹储层属高孔中渗的Ⅱ类储层,大孔细喉道组合特征,储集物性较佳,东区E₃¹储层属特低孔特低渗的Ⅴ类储层,中孔微细喉道组合特征,储层物性不理想,N₁储层属低孔特低渗的Ⅳ—Ⅴ类储层,大孔小喉道组合特征,渗透率不佳.

English Abstract

A Research on E₃^l N_l N₂^l Clastic Rock Reservoir in Yuejin Area,Oaidam Basin,Northwest China

Hangzhou Institute of Petroleum Geology, CNPC,Hangzhou 310023

Received Date: 2000-01-11
Rev Recd Date: 2000-02-18

Keywords:

Abstract: More attention has been paid to the report of hvdrocarhon from E₃¹、N₁、N₂¹ clastic rock reservoir in Yucjin area Qaidam hasin, northcrnwcst China. Based on research of approximate one hundred cast thin sections and mcrcurv intrusion curve from 15 wells, some results on E₃¹、N₁、N₂¹ elastic rock reservoir in Yuejin area have been obtained.as follows:①The elastic rock reservoir was composed of fcldspathic sandstone } lithic arkosc and fcldspathic litharcnitc which is characterized by lower composition and texture maturity②The elastic rock reservoir has undergone compaction, pressure dissolution, authigcnc(fcrroan calcite, dolomite, anhydrite, cuthalitc, fcrroan dolomite pyrite ) ccmcntation and dissolution, which results in the forming of overwhelming relic primary intcrgranular pore.Corrclatahlc beds from eastern Yucjin and western Yucjin have different diagcnctic-porosity evolution because of their different burial depths which results in a more favourable reservoir in western Yucjin than in eastern Yuejin,③E₃¹、N₁、N₂¹ elastic rock reservoir developed under distrihutarv channel sand flat and braided channel microfacics.Reservoir quality was controlled by composition and texture maturity, matrix material and diagcnctic environment}depth especially),④E₃, elastic rock reservoir from western Yucjin characterized by very large, large and medium pore,Ⅱ-grade( high porosity and medium permeability ) in reservoir quality and a combination of large porefine throat while E₃ elastic rock reservoir from eastern Yucjin did large and medium pore,Ⅴ-graded (very low porosity(very low permeability) in reservoir quality and a combination of medium pore-very fine throat. N₁ elastic rock reservoir in Yucjin area characterized by very large large and medium pore,Ⅳ-andⅤ-grade( low porosity and very low permeability) in reservoir quality and a combination of large pore-very fine throat.

沈安江, 朱国华, 寿建峰, 徐洋. 柴达木盆地跃进地区E31、N1、N21碎屑岩储层特征[J]. 沉积学报, 2001, 19(1): 71-78.

引用本文:

沈安江, 朱国华, 寿建峰, 徐洋. 柴达木盆地跃进地区E₃¹、N₁、N₂¹碎屑岩储层特征[J]. 沉积学报, 2001, 19(1): 71-78.

SHEN An jiang, ZHU Guo hua, SHOU Jian feng, XU Yang. A Research on E3l Nl N2l Clastic Rock Reservoir in Yuejin Area,Oaidam Basin,Northwest China[J]. Acta Sedimentologica Sinica, 2001, 19(1): 71-78.

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柴达木盆地跃进地区E₃¹、N₁、N₂¹碎屑岩储层特征

作者简介:
沈安江男 1965年出生博士沉积地质学

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A Research on E₃^l N_l N₂^l Clastic Rock Reservoir in Yuejin Area,Oaidam Basin,Northwest China

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柴达木盆地跃进地区E₃¹、N₁、N₂¹碎屑岩储层特征

中国石油天然气股份有限公司储层重点实验室杭州 310023

作者简介:
沈安江男 1965年出生博士沉积地质学

English Abstract

A Research on E₃^l N_l N₂^l Clastic Rock Reservoir in Yuejin Area,Oaidam Basin,Northwest China

Hangzhou Institute of Petroleum Geology, CNPC,Hangzhou 310023

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