Research On Scaling And Corrosion Of Admixing Water For Pipeline

According to the production needs of the Bohai oil field, will produce as sewage and water mixed into the water. In this paper, the scaling of mixed water conditions and corrosion, and corrosion inhibitors were preferred. Preferred water production and water quality of water samples analyzed, the two water bodies that are very high salinity, water-water-magnesium chloride are mainly into the dirt as the carbonate ion, sulfate ion, magnesium ion, calcium ions. Scaling prediction software used was fouling tendency ScaleChem predictions about the major scale is derived CaCO₃, FeCO₃, Fe (OH)₃ and BaSO₄. Corrosion prediction software through the forecast shows that the corrosion mainly to electrochemical corrosion, corrosion products are mainly divalent iron compounds. Calcium and magnesium ions for the two ions into the scale in the production ratio of water and water carried out under different scaling of the test, the test results for the inhibitor in the conditions of the original scaling trend is not obvious. Method using coupon corrosion rate of the dynamic test, the measured production of water and sea water mixing ratio is 50:50, the corrosion rate of the smallest. Were static and dynamic methods, the laboratory prepared and field corrosion inhibitors being used BHH-08 anti-corrosion agents were compared experiments show that the preparation of the 54 corrosion inhibitors is superior anti-corrosion site used by the BHH-08 potions. 54 scale and corrosion inhibition of corrosion agent for the static and dynamic scaling experiments scaling experimental results show that the scaling effect is also very good, able to meet the needs of oil production..