探井地层测试历史曲线的研究  

Research on History Curve of Formation Test to Exploratory Well

作　　者：李纪智 

机构地区：[1]中法渤海地质服务有限公司,天津300452

出　　处：《油气井测试》2016年第2期31-32,36,共3页Well Testing

摘　　要：在探井地层测试时,下完测试管柱,封隔器坐封后至井下测试阀打开前这段时间内,井下测试阀以下测试管柱内压力会发生"异常"变化。以南海东部探井H-4井为例,通过几次施工压力、温度测试曲线对比分析,找到了压力"异常"变化的原因主要是由于充满密闭空间的测试液受热膨胀造成的。对南海东部探井地层测试资料进行统计、归纳,得出影响压差大小的因素主要是油藏温度。这对于正确认识测试期间油气藏的动态变化有重要意义,有助于作业前测试地质设计的完善。When completing testing string during formation test to exploratory well,at time of after the packer is set and before the test valve is opened,pressure in the following test string down-hole test valve happens abnormal changes. Taking the eastern South China H-4 exploratory wells as example,through comparison and analysis of several operation pressure and temperature test curves,the main reason for the ' abnormal' change of pressure is due to the confined space filled with test fluid caused by thermal expansion. By statistics,summarization of formation test data to Eastern South China Sea exploration well,it is drawn that the main factor affecting the differential pressure is the reservoir temperature. This has a sense for correct understanding of the dynamic changes in the reservoir during the test,helps to improve the geological testing before the job design.

关 键 词：南海东部 探井 地层测试 曲线异常 测试液 温度 

分 类 号：TE353[石油与天然气工程—油气田开发工程]