Oil reservoir complex structure well test interpretation method and device, electronic equipment and medium

• Main Authors: SHI ZHENGNAN, JIA PIN, CHEN YIMING, WU LIULEI, LIU GUOTAO, WEI XIHUI, CHENG LINSONG, SUN XIAONA, YANG YONG, YAN ZHENGHE, XIE MINGYING
• Format: Patent
• Language: Chinese; English
• Published: 16.11.2021
• Subjects: CALCULATING; COMPUTING; COUNTING; ELECTRIC DIGITAL DATA PROCESSING; PHYSICS

The embodiment of the invention discloses an oil reservoir complex structure well test interpretation method and device, electronic equipment and a medium. The method comprises the following steps: determining partition physical property change information caused by sand production of the loose sandstone heavy oil reservoir and existing partition seepage characteristic information; determining well testing pressure curve information of the loose sandstone heavy oil reservoir complex structure well according to the partition physical property change information and the partition seepage characteristic information; according to the well testing pressure curve information, identifying all flowing stages needed by well testing of the loose sandstone heavy oil reservoir complex structure well; and carrying out flow analysis in stages, and determining a well test interpretation result of the oil reservoir complex structure well according to the flow analysis result in stages and the pressure test data in the full t