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新疆原油的特殊性及其在勘探、开发、炼制中的意义 被引量:10

The Particularity of Xinjiang's Crude Oil and Its Significance in Exploration Exploitation and Refining.
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摘要 国外石油中化学元素浓度大于它在岩石圈中平均含量的只有钒V。而新疆原油中有33种元素,其含量超过中国岩石圈陆壳平均含量1~3个数量级,是新疆原油密度偏高的原因之一。新疆原油中富含的铼、金、银、镉、铟等元素是地壳稀缺而地幔富集的,说明新疆原油可能有来自地幔的成分;而其含有18种生物中未发现的元素说明新疆原油可能有非生物成因成分;阿瓦提的油苗与有机成因原油正烷烃结构特征不同,不显奇偶优势的特征正是来自地幔的非生物成因油的特征。新疆原油中含有23个亲石元素造成储油层亲油憎水特征。新疆原油的特殊性告诉我们:非生物成因烃的可能存在,为新疆的油气勘探提供了新的领域;含亲石元素多的原油,应研究降低密度、降低粘度与增加原油活性的开发技术,如注天然气或CO2气,以提高最终采收率,并对天然气和CO2气的勘探提出了需求;新疆原油中含有相对丰富的金、银、镍、钒等多种稀有贵重金属与有色金属的特征,是未来发展石油冶金工业的物质基础。 Guo Zhanqian. Guo Zhanqian Professor of Engineering Petroleum Geology Research Institute of Exploration and Development PetroChina Daqing Oil CNPC Daqing Heilongjiang 163456 China Abstract It is reported from external documents that in crude oil the element in which chemical concentration is higher than its average content available in lithosphere may be only one vanadium V. While in Xinjiang's crude oil 33 elements that each content has exceeded the average content by 1~3 orders of magnitude have been found which is one of the reasons why the density of Xinjiang's crude oil is relatively high. Among these the elements such as Re Au Ag Cd In are uncommon in crust but abundant in mantle showing Xinjiang's crude oil might have components from mantle 18 elements that are unknown in organic materials existing here mean that the oil may contain inorganic generated ingredients. For instance the oil seepage from Awati area is of different characteristics from n alkane texture of organic origin i.e. lack of odd even predominance which is the characteristic or evidence of non organic origin oil from mantle. It is the 23 rock philic elements that result in such an oil reservoir with oil wet rather than water wet. These particularities of Xinjiang's crude oil tell us the fact that possible existence of hydrocarbons of non organic origin opens up new domains for further petroleum exploration in Xinjiang. For the crude oils with more rock philic elements the development technologies for reduction of oil density and viscosity as well as increase of the crude activity should be researched e.g. natural gas flooding or CO2 injection in order to improve ultimate recovery and meet requirements of exploring natural gas and CO2. Xinjiang's crude oil which contains relatively abundant of Au Ag Ni V etc. will become the material foundation for development of petroleum metallurgical industry in the future.
作者 郭占谦
出处 《新疆石油地质》 CAS CSCD 2000年第5期397-400,共4页 Xinjiang Petroleum Geology
关键词 新疆 原油 勘探 开发 金属元素 高密度 亲石性 Xinjiang Crude oil Characteristics Exploration Development
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