| 塔里木叠合盆地待发现可采油气资源初步预测及评价 |
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| 引用本文： | 周新桂,张岳桥,王红才,张林炎,范昆.塔里木叠合盆地待发现可采油气资源初步预测及评价[J].海相油气地质,2007,12(2):57-62. |
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| 作者姓名： | 周新桂 张岳桥 王红才 张林炎 范昆 |
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| 作者单位： | 中国地质科学院地质力学研究所 |
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| 基金项目： | 中国地质调查项目“陆上油气新区资源战略调查与评价”(编号:DKD2104011) |
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| 摘 要： | 油气资源评价单元的划分是盆地油气资源定量评价的核心,而盆地的含油气系统又为限定评价单元之基础。以复合油气系统原理和方法为指导,油气源对比判识为手段,以寻找各供烃中心和油气藏之间成因关系为目的,重新划分了塔里木盆地4个复合油气系统和5个评价单元。在详尽分析评价单元油气勘探历史和发现历史基础上,结合已发现或落实的圈闭数量和规模,利用第七逼近法和蒙特卡罗法,对塔里木盆地已知油气系统中评价单元进行了油气资源与油气田规模、数量的定量预测评价。研究表明,塔里木盆地待发现石油可采资源量11.43×108t,预测油田数量94个,86%集中在台盆区下古生界海相评价单元;预测待发现天然气可采资源量21000×108m3,气田数量104个,58%集中在库车前陆评价单元。塔里木盆地有近91%的石油、84%的天然气资源等待发现,是我国陆上资源发现程度较低的盆地,也是我国未来油气储量增长最重要的盆地。
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| 关 键 词： | 塔里木盆地 含油气系统 油气评价单元 油气资源预测 潜力评价 |
| 文章编号： | 0672-9854（2007）-02-0057-06 |
| 收稿时间： | 2007-04-14 |
| 修稿时间： | 2007-04-14 |
Preliminary Prediction and Evaluation on Undiscovered Potential Petroleum Resources in Tarim Superposed Basin |
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| Zhou Xingui,Zhang Yueqiao,Wang Hongcai,Zhang Linyan,Fan kun.Preliminary Prediction and Evaluation on Undiscovered Potential Petroleum Resources in Tarim Superposed Basin[J].Marine Origin Petroleum Geology,2007,12(2):57-62. |
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| Authors: | Zhou Xingui Zhang Yueqiao Wang Hongcai Zhang Linyan Fan kun |
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| Abstract: | The key of quantificational evaluation of petroleum resources in a basin is the division of assessment units based on the composite total petroleum system. Tarim Basin is renewedly divided into 4 composite total petroleum systems and 5 assessment units on the guidance of principle and means of the composite total petroleum system as well as the method of comparing and identifying petroleum origin. Based on detailed analysis of the prospecting and discovery history of these assessment units and integrated with discovered or proven traps, the petroleum resources, the scales and the quantity of fields in Tarim Basin are quantificationally evaluated by means of the 7th impending method and Monte Carlo method. The result of research indicates that there are 1143×106t and 210×109m3 of undiscovered potential oil and nature gas respectively, 94 oil fields, 86% of which are distributed in the assessment units of Lower Palaeozoic marine platform, and 104 gas fields, 58% of which are distributed in the assessment units of Kuqa forelandl. It is shown that nearly 91% of oil and 84% of nature gas resource are undiscovered in Tarim Basin so that it is a basin of low extent of discovered resources in land basins. |
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| Keywords: | Petroleum systems Assessment units of petroleum Prediction of petroleum resources Appraisal of petroleum potential Tarim Basin |
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