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. 2023 May 1;8(20):18047–18057. doi: 10.1021/acsomega.3c01290

Table 2. Detailed Experimental Conditions for Performance Evaluation of the Formulation as Corrosion Inhibitors Using the HPHT Autoclave for Different Applications.

   
 operational conditions
  
      
field condition application water geochemical analysis, mg/L pressure (Psig) temp. (°C) gas composition, mole % time (h) RPM KHCI conc. (ppm)
gas production test-1 Cl 607 1600 90 CH4 79.6 24 500 2500 and 10,000
  Na 393     CO2 9.2      
  acetic acid 500     N2 7.2      
  formic acid 250     H2S 2.3      
  TDS 1750     ethane 1.4      
  pH 6.5     propane 0.2      
          n-butane 0.1      
sour crude processing Na 29,500 250 83 CO2 7 24 400 20 & 100
  Ca 8210     N2 90      
  Mg 1080     H2S 3      
  Cl 61,800              
  SO4 1300              
  HCO3 662              
  TDS 102,552              
  pH 6.6              
gas production test-2 Na 29,500 1600 90 CH4 79.6 42 500 2500
  Cl 61,800     CO2 9.2      
  acetic acid 500     N2 7.2      
  formic acid 250     H2S 2.3      
  TDS 1750     ethane 1.4      
  pH 6.6     propane 0.2      
          n-butane 0.1