ANALYSIS ON UNDERGROUND WATER POLLUTION IN OIL AND GAS FIELDS

Underground water pollution is the product of modern industry and the problem of water pollution in oil and gas fields is especially protrudent. This paper presents some examples of underground water pollution in Shuanghe,Weigang oil fields and the consequent worsening of water quality,gradually abandoning of drinking water source and shortage of water resources.The analysis shows that leakage of crude oil and re-injection of waste water are the main causes of water system pollution in oil and gas fields.Therefore the measures, methods and technical thought of pollution controlling are suggested.