Abstract: Based on a lot of literature investigation and practical engineering experience， a systematic screening and evaluation method of inhibitors for oil-water mixed pipeline has been established. With the case of Weizhou oil-water mixed pipeline， this paper systematically illustrates the corrosion screening and evaluation method aimed at the characteristics of production of the pipeline. According to the scheme， the collection and analysis of field condition data have been carried out first， and then the physical and chemical properties （solubility， emulsibility， foaming and compatibility） and electrochemical properties of the 8 optional inhibitors have been tested for preliminary screening. On the base of the above screening and the analysis of field condition， the areas under the most critical corrosion conditions are provided， wherein the influential factor such as corrosion inhibitor concentration is analyzed. For instance， the dynamic simulation tests of 50 mg／L and 40 mg／L concentration were conducted to evaluate the corrosion inhibition performance of inhibitors. Finally combining with the corrosion inhibition effect and economic considerations， corrosion inhibitor and the corresponding concentration were selected. The results show that this scheme can be used for the corrosion inhibitor screening.
徐振臻, 刘小伟, 胡徐彦, 兰旭. 某油田油水混输管道用缓蚀剂的筛选与评价[J]. 涂料工业, 2018, 48(3): 57-63.
Xu Zhenzhen , Liu Xiaowei , Hu Xuyan , Lan Xu . Inhibitor Screening and Evaluation for Oil and Water mixed Pipelines in oilfield. Paint & Coatings Industry, 2018, 48(3): 57-63.