Research Article

Study on Autogenous Heat Technology of Offshore Oilfield: Experiment Research, Process Design, and Application

Table 1

Calorific value of autogenic heating reaction.

0.5 m3 NaNO2 solution0.5 m3 NH4Cl solutionTheoretical heat produced by mixing (MJ)
mol/L%mol/L%

0.56.440.55.0883.1
1.012.51.010.16166.3
1.519.361.515.24249.4
2.025.02.020.32332.5
2.532.22.525.4415.7
3.037.53.030.48498.8