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根据辽河盆地东部凹陷南段荣兴屯、大平房及桃园 3个地区获得工业性油流的77口井不同层段的原油常规物理性质分析资料和随机选择的不同层段16个油样多项地球化学测试结果,综合分析确定上述地区内煤型油占有一定的优势,其次为湖相原油,部分为这两类原油轻一中度降解后形成的中一重质原油.该区发现具有工业规模的煤型油,为我国东部深埋的新生代沉积盆地的油气勘探增加了新领域.
Based on the analysis of conventional physical properties of crude oil in different intervals of 77 wells that obtained industrial oil flow in Rongxingtun, Dapingfang and Taoyuan in the southern section of Eastern Depression of Liaohe Basin and 16 oil samples from different layers randomly selected, a number of geochemical According to the test results and comprehensive analysis, coal-based oil in the above-mentioned areas occupies a certain advantage, followed by the lacustrine oil and partly the medium-heavy crude oil formed after light- to moderate-degradation of these two types of crude oil. Type oil has added new fields to the exploration of oil and gas in the Cenozoic sedimentary basins buried in the eastern part of our country.