The steam huff and puff began in 1993 in Heidimiao oil reservoir in Block PuQ12 in south Putaohua area, and in some wells the steam huff and puff had been over 8 cycles till the end of 2003.

• 摘要葡南葡浅12区块黑帝庙油层1993年开始投入蒸汽吞吐开采，到2003年末，部分生产井蒸汽吞吐超过8周期。