1. In 2004, disposed 1,000 tons in the perennial deposited oily sludge and sand pit in Xin-3 Station of Dongxin Oil Production Plant in Shengli Oilfield.
2. In 2004, disposed 1,000 tons in the perennial deposited oily sludge and sand pit in Wangjiagang Station of Xianhe Oil Production Plant in Shengli Oilfield.
3. In 2005, disposed 3,680 tons in the perennial deposited oily sludge and sand pit in No.2 Station of Gudong Oil Production Plant in Shengli Oilfield.
4. In 2005, established a disposal site for oily sludge and sand with necessary facilities installed and disposed 1,000 tons of oily sludge and sand in the Zhuangxi Oil Production Plant of Shengli Oilfield.
5. During 2005-2010, established a disposal site for oily sludge and sand with necessary facilities installed and disposed over 30,000 cubic meters of oily sludge and sand per year in the No. 2 Oil Production Plant of Henan Oilfield.
6. During 2011-2012, installed facilities for disposal of oily sludge and sand and disposed 3,500 cubic meters in the joint station of Qinghe Oilfield. |