岩石热解资料油水层解释应用方法研究  

Application method study for the oil-water layer interpretation with the rock pyrolysis data

作　　者：张艳茹[1] 刘雪申[1] 陈玉斌[1] 

机构地区：[1]大庆油田地质录井公司

出　　处：《录井工程》2007年第4期46-48,共3页Mud Logging Engineering

摘　　要：岩石热解技术可测定储油岩中的烃类含量,如果单纯依靠S_T和S_1/S_2这两项参数对储集层解释评价,则会经常出现油水界限不明显的现象,影响该项资料的应用效果。为此对不同延时时间热解资料变化规律进行了研究。通过对岩样现场分析和放置10 d、20 d后进行分析化验.得到3组不同延时时间的分析数据,对数据进行分析对比,确定了气态烃含量S_0、液态烃含量S_1、热解烃含量S_2的损失情况,结合试油资料分别建立了油气解释标准及现场热解烃总量S_T值与S_1损失率、S_1损失率与S_2损失率的解释图板,使该项资料在油水层解释的实际应用中见到了较好效果。Rock pyrolysis technique can determine the hydrocar- bon content of oil-saturated reservoir rock.If the interpre- tation and evaluation of the reservoirs is only according to the two parameters of S_1 and S_1/S_2,it will occur the phe- nomenon that the boundary between oil and water is not clear,therefore influencing data application results.For this reason,the study of the pyrolysis data change regulari- ty to different time lapse was made.Through field analysis of the samples and the test analysis of the samples which have been delayed for 10 days and 20 days respectively, three terms of analysis data of different time-lapse have been obtained.Through conducting data analysis and correla- tion,the loss of gaseous hydrocarbon content S_0,liquid hy- drocarbon content S_1 and pyrolysed hydrocarbon content S_2 are determined respectively.Combining with oil testing da- ta,the oil-gas interpretation criteria and interpretation charts of the field pyrolysed hydrocarbon S_T to S_1 loss rate and S_1 loss rate to S_2 loss rate have been set up.The good result has been obtained since these charts were practically applied in the oil-gas layer interpretation.

关 键 词：油水层 解释评价 岩石热解 延时时间 烃类挥发 解释标准 

分 类 号：TE122.24[石油与天然气工程—油气勘探]