油田解锁水资源循环利用“密码”

Core Insights - The trial operation of the Xicheng Jingwu Reclaimed Water Plant has enabled Shengli Power Plant to utilize nearly 10,000 cubic meters of reclaimed water daily, marking a significant step in water resource recycling for Shengli Oilfield [1] - The combined annual reclaimed water usage for Shengli Power Plant and Shengli Guodian (Dongying) Thermal Power Company is expected to reach 3.5 million cubic meters, which can replace an equal amount of water from the Yellow River [1] - The project aims to alleviate water resource pressure in the region, especially with the anticipated increase in water demand due to the accelerated construction of Guoneng (Dongying) power generation units [1] Water Resource Management - Shengli Power Plant and Shengli Guodian (Dongying) Thermal Power Company have a combined annual water consumption of 15 million cubic meters, primarily relying on Xin'an Reservoir and municipal water as backup sources [1] - The implementation of reclaimed water utilization is seen as a necessary solution to address water resource bottlenecks, in line with the "Four Waters and Four Determinations" principle [1][2] - The reclaimed water project, developed by Lucheng Water Affairs, Beikong Water Affairs, and Oil City Water Affairs, utilizes treated wastewater from the Xicheng South Sewage Treatment Plant, with a daily production capacity of 30,000 cubic meters [1][2] Quality and Efficiency - The reclaimed water's chloride ion content remains stable at around 20 mg/L, with multiple indicators surpassing conventional water sources, leading to reduced treatment costs for the power plant's boiler water [2] - The expected replacement of fresh water by Shengli Power Plant this year is approximately 1.5 million cubic meters, with future potential for surrounding power companies to utilize wastewater as a source for the reclaimed water plant [2] - The focus on optimizing water resource management in the Shengli Oilfield region includes promoting the reuse of unconventional water sources for enhanced efficiency in oilfield operations [2]