【摘要】 利用内加热压实式生、排烃实验模拟装置 ,对塔里木盆地巴楚隆起海相的群 4井灰岩进行了热解演化模拟。在实验演化过程中 ,该灰岩表现出较强的生气能力 ,所生成的气体以非烃气为主 (约占 85 %～ 10 0 % ) ,而烃类气体中以甲烷为主 ;该灰岩还具有较强的生油能力 (峰值为 78.5mg g -c) ,生油范围宽 ,并在整个演化过程中均具有较强的排油能力 ,其排油效率分布在 45 %～ 5 5 %之间。灰岩中有机质的赋存形式及其在高温下的演化作用使其具有特殊的生油族组分分异特征更多还原

【Abstract】 Make advantage of internal hot-pressing experimental simulation device of generation and expulsion of hydrocarbon to perform pyrolytic evolution simulation of ash rocks of well 4 in Ba Chu, Tarim basinwhich has marine facies.During the experimental evolution,greater capacity of generating oil can be observed(maximum:78.5mol/g-c), and its range is very large;it also shows greater capacity of gererating gases,most of which are non-hydrocarbon gases(85%-100%)and methane is the main part of the rest gases-hydrocarbon gases.In the course of evolution,there is greater capacity of oil discharge and its rate is from 45%-55%.更多还原