申请人:Saudi Arabian Oil Company
公开号:US20190226326A1
公开(公告)日:2019-07-25
The disclosure features methods of analyzing a fluid extracted from a reservoir, the methods including introducing a first composition featuring a first complexing agent into a reservoir at a first location, extracting a fluid from the reservoir at a second location different from the first location, combining the fluid with a second composition featuring a concentration of a lanthanide ion to form a third composition featuring a concentration of a complex formed by the first complexing agent and the lanthanide ion, exposing a quantity of the complex to electromagnetic radiation for a first time period ending at a time to, detecting fluorescence emission from the quantity of the complex for a second time period starting at a time t
1
>t
0
, where t
1
−t
0
is greater than 2 microseconds, and determining information about a fluid flow path between the first location and the second location.
该披露涉及分析从储层中提取的流体的方法,该方法包括在第一位置向储层引入具有第一络合剂的第一组成物,从与第一位置不同的第二位置提取储层中的流体,将流体与具有镧系离子浓度的第二组成物结合,形成具有第一络合剂和镧系离子形成的络合物浓度的第三组成物,将一定量的络合物暴露于电磁辐射中,持续第一时间段直至时间to,检测来自一定量络合物的荧光发射,持续第二时间段,从时间t1>t0开始,其中t1−t0大于2微秒,并确定第一位置和第二位置之间的流体流动路径的信息。