济阳坳陷原油及油田水中金银等元素含量研究  

Preliminary Study on the Concentrations of Gold and Other Ore Elements in Crude Oil and Oil-Field Water of the Jiyang Depression

作　　者：华仁民[1] 杨申镳[2] 李保利[2] 董冬[2] 张守鹏[2] 陈建华[2] 李载铎[2] 裘丽雯[1] 曹辉兰[1] 

机构地区：[1]南京大学地球科学系及内生金属矿床成矿机制研究国家重点实验室,南京210093 [2]胜利石油管理局地质科学研究院,山东东营257000

出　　处：《高校地质学报》2001年第3期345-350,共6页Geological Journal of China Universities

基　　金：国家自然科学基金项目(49572108);胜利石油管理局科技攻关项目(920124)资助

摘　　要：对济阳坳陷原油及油田水样品中的金银及其他成矿元素含量进行了测定 ,结果表明 ,原油尤其是稠油中的金含量较高 ,油田水样品的金和某些其他成矿元素含量也比较高。对这些元素含量分布特征的初步研究显示 ,金主要分布在富含S、N、O等杂原子的胶质沥青质组份中 ,可能与这些杂原子在低温下易与金形成配合物有关。油田水样品中金与砷、汞、铅等元素存在明显的相关关系 。crude oil samples from different oil fields of the Jiyang Depression were collected and analyzed for their gold and silver concentrations. Result shows that they contain relatively high Au concentrations than those from most other oil basins in China. Except the highest value of 220.3×10 -9 , the average Au concentration of 48 oil samples is 3.60×10 -9 . Heavy oil contains higher Au concentrations than light oil. Most gold rich samples are from the reservoirs in upper Tertiary sandstone and Archean gneiss, of which the latter is the most important source rock for well known gold mining district of East Shandong peninsula, and the former is the direct erosive product of the latter. Further study reveals that gold mostly occurs in the bituminite and colloidal components of the crude oil. These components contain more S, N, O, Cl and other atoms, which may cause stable gold bearing complexes in crude oil. Concentrations of gold and some other ore elements in oil field water samples from the Jiyang Depression are also determined. Relatively high gold concentration and certain correlation between gold and other ore elements, i.e. As, Hg and Pb, are revealed. The partitioning relationship of gold in rock, oil and water is unknown, whereas this preliminary study shows that oil field water might bring out some gold from oil in the water oil separation process.

关 键 词：原油 油田水 金含量 成矿元素 济阳坳陷 山东 银 砷 汞 铅 成矿作用 

分 类 号：P618.13[天文地球—矿床学] P618.5[天文地球—地质学]