二连盆地格日勒敖都凹陷准宝1井油源对比

魏分粮; 欧阳睿; 肖斌; 钟宁宁; 罗情勇; 韩辉; 齐琳; 付晓宁; 张毅

doi:10.11781/sysydz201201078

二连盆地格日勒敖都凹陷准宝1井油源对比

doi: 10.11781/sysydz201201078

1.
中国石化中原油田分公司内蒙勘探开发指挥部, 河南, 濮阳, 457001
2. 中国石化中原油田分公司物探研究院, 河南, 濮阳, 457001
3. 中国石油大学(北京)油气资源与探测国家重点实验室, 北京, 102249
4. 中国石化中原油田分公司采油四厂, 河南, 濮阳, 457001

详细信息

作者简介:
魏分粮(1965- ),男,工程师,从事石油及天然气勘探管理工作.E-mail:zyytwfl@126.com.

中图分类号: P618.13
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出版历程
- 收稿日期: 2011-02-15
- 修回日期: 2011-12-16
- 刊出日期: 2012-01-28

Correlation of oil and source in well Zhunbao 1, Gerileaodou Sag, Erlian Basin

1.
Exploration & Development Headquarter of Inner Mongolia, SINOPEC Zhongyuan Oilfield Company, Puyang, Henan 457001, China
2. Geophysical Research Institute, SINOPEC Zhongyuan Oilfield Company, Puyang, Henan 457001, China
3. State Key Laboratory of Petroleum Resource and Prospecting, China University of Petroleum, Beijing 102249, China
4. No.4 Oil Production Plant, SINOPEC Zhongyuan Oilfield Company, Puyang, Henan 457001, China

摘要

摘要: 二连盆地格日勒敖都凹陷准宝1井侏罗系阿拉坦合力群烃源岩的R_o分布范围为0.58%～0.67%,平均值为0.63%,Tmax平均值大于435℃,处于低熟—成熟生烃演化阶段;Pr/Ph分布范围为0.39～5.24,平均值为1.62,表明其沉积环境为偏还原;伽马蜡烷/C₃₀αβ藿烷分布范围为0.07～1.45,平均值为0.37,表明其沉积于淡水—微咸水的湖沼;C₂₉/C₂₇ααα20R甾烷比值均大于1,表明烃源岩生源既有低等生物贡献又有高等植物贡献,且高等植物贡献占优势。通过烃源岩和原油的地球化学特征对比,表明准宝1井原油来自阿拉坦合力群烃源岩。阿拉坦合力群是二连盆地有利的油气勘探方向。
- 生物标记化合物 /
- 地球化学特征 /
- 油源对比 /
- 侏罗系 /
- 格日勒敖都凹陷 /
- 二连盆地
Abstract: Source rocks of the Alatanheli Group of Jurassic in well Zhunbao 1 in the Gerileaodou Sag of the Erlian Basin have been studied.Ro ranges from 0.58% to 0.67% with the average value of 0.63% and Tmax is over 435℃ in average,indicating low-mature and mature stages for hydrocarbon generation.Pr/Ph ranges from 0.39 to 5.24 and the average value is 1.62,indicating reducing environment.Gammacerane/C₃₀αβ hopane ranges from 0.07 to 1.45 with the average value of 0.37,proving that the source rocks deposited in lacustrine bog of sweet and brackish water.C₂₉/C₂₇ααα20R sterane is over 1,proving that the source rocks originated from both lower creature and advanced plant,and the advanced plant contributed more than the lower creature.Comparisons of geochemical features have been made between source rock and crude oil,indicating that the crude oil in well Zhunbao 1 originated from source rocks in the Alatanheli Group.The Alatanheli Group is the key exploration target in the Erlian Basin.
- biomarker compound /
- geochemical feature /
- oil-source correlation /
- Jurassic /
- Gerileaodou Sag /
- Erlian Basin

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