学科:石油与天然气地质学 词目:抽提沥青 英文:extractable bitumen 释文:抽提物的一大类。岩石中分散沥青通过不同有机溶剂抽提出来的物质组分。通常用氯仿做抽提溶剂抽提的沥青组分,称为氯仿沥青A。它可分为:油质、苯胶质、酒精一苯胶质及沥青一苯胶质及沥青质组分。其中油质及苯胶质为还原性组分,酒精一苯胶质及沥青质组分为酸性组分。中国中新生代陆相生油层中氯仿沥青A组分以苯胶质及沥青质为主;而非生油层一般油质及苯胶质组分含量偏高。
对贵州遵义金鼎山下寒武统牛蹄塘组黑色岩系的氯仿沥青“A”及族组分做了成分检测,并进行了岩石氯仿抽提物中饱和烃气相色谱分析。
This paper deals with the formation conditions of black shales on the basis of analyzing such items as the component of chloroform bitumen "A" and the gas_facies chromatogram of saturated hydrocarbon.
较详细地分析了沥青抽提试验误差、拌和楼系统误差的来源,提出了减少沥青含量误差的措施。
This paper analyzes in detail on the origins of the errors of the asphalt extracting test and the mixer plant, and puts forward some measures for reducing the errors of the asphalt content.
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