Modular zonal fluid sampling and pressure testing technology for production well

XU Jianguo,YANG Qinghai,YI Peng,HOU Ze,JIA Weite,FU Tao,ZHANG Zonglin,YUE Qingfeng

Table 1. Analysis results of fluid samples

Sampling cylinder Sampling volume/mL Oil/ mL Water/ mL Water cut/% Fluid source 1 370 115 255 68.92 Mixed fluid in wellbore 2 337 22 315 93.47 Formation fluid after fluid discharge for 1 h 3 233 5 228 97.85 Formation fluid after fluid discharge for 2 h