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本文综合考虑了成岩压实、有机质热浪化和类型的影响,以干酪根中无效欣在生烃过程中其绝对含量保持恒星这一原则,建立起一个新的有机碳恢复模型。在此基础上得出了适用于地化录并应用的生、排烃量计算公式,从而使整个过程比以前的图解法更加准确、高效。本方法已成功地应用于辽河油田海上、陆上和外盆地的地优录并。但本文中仅以铁岭盆地的一口井为例说明了该方法的应用。铁岭盆地昌参2井的地化录井表明,其生径强度为263.794×104t/kin2,排烃强度为138.166×104t/km2,资源密度为13.190×104t/km2,达到了我国Ⅰ类含油气盆地的生烃强度标准,昌图凹陷具有较为充足的油气来源,可望形成一些中、小型油气田,下一步勘探的方向主要是寻找圈闭和有利的储层。
In this paper, we consider the influence of diagenetic compaction, heat wave and type of organic matter, and establish a new model of organic carbon recovery based on the principle that ineffective in kerogen keeps its absolute content in the hydrocarbon generation process. On this basis, the formula for calculating the amount of hydrocarbon generation and expulsion that is suitable for geochemical recording and application is obtained, so that the whole process is more accurate and efficient than the previous graphical method. The method has been successfully applied in the Liaohe Oilfield at sea, onshore and offshore basins excellent record. However, a well in the Tieling basin is used as an example to illustrate the application of this method. The geochemical logging of Changshen-2 well in Tieling Basin shows that the biofilm density is 263.794 × 104t / kin2, the hydrocarbon expulsion intensity is 138.166 × 104t / km2 and the resource density is 13.190 × 104t / km2, reaching The hydrocarbon generation intensity of Class Ⅰ petroliferous basins in China shows that there is ample source of hydrocarbon in Changtu sag, and some medium and small sized oil and gas fields are expected to be formed. The next exploration is to find traps and favorable reservoirs.