The contents of carbon and hydrogen element in plugging asphaltene, crude oil asphaltene and asphaltene of reservoir asphaltene layer were analyzed by NMR method.

• 利用核磁共振技术分析了8001井堵塞物中沥青质、8001井原油中沥青质以及地层沥青质的碳、氢元素组成。