A method for processing recorded raw pressure data acquired with a memory gauge in a well, wherein the memory gauge has plural calibration tables (C1, C2) for a pressure to be measured with the memory gauge from the recorded raw pressure data, each calibration table comprising pressure data measured by the memory gauge in association with a range of calibration pressure values and a range of temperatures, characterized in that the method comprises: selecting a first calibration table (C 1), of the memory gauge, for which the maximum calibration pressure value of its range of calibration pressure values is the highest among the maximum calibration pressure values of the ranges of calibration pressure values of the plural calibration tables; performing a first analysis of the recorded raw pressure data using the first calibration table (C 1) to generate measured pressure values of the measured pressure and to determine the highest measured pressure value; comparing said determined highest measured pressure value of the measured pressure with maximum calibration values of the ranges of calibration pressure values of the plural calibration tables of the memory gauge; and when a maximum calibration pressure value of the range of calibration pressure values of a second calibration table is closer to said determined highest measured pressure value of the measured pressure than the maximum calibration pressure value of the range of calibration pressure values of the first calibration table, the first calibration table being different from the second calibration table, selecting the second calibration table (C 2); and performing a second analysis of the recorded raw pressure data using the second calibration table (C 2) to generate measured pressure values of the measured pressure. each calibration table comprising pressure data measured by the memory gauge in association with a range of calibration pressure values and a range of temperatures, characterized in that the method comprises: selecting a first calibration table (C 1), of the memory gauge, for which the maximum calibration pressure value of its range of calibration pressure values is the highest among the maximum calibration pressure values of the ranges of calibration pressure values of the plural calibration tables; performing a first analysis of the recorded raw pressure data using the first calibration table (C 1) to generate measured pressure values of the measured pressure and to determine the highest measured pressure value; comparing said determined highest measured pressure value of the measured pressure with maximum calibration values of the ranges of calibration pressure values of the plural calibration tables of the memory gauge; and when a maximum calibration pressure value of the range of calibration pressure values of a second calibration table is closer to said determined highest measured pressure value of the measured pressure than the maximum calibration pressure value of the range of calibration pressure values of the first calibration table, the first calibration table being different from the second calibration table, selecting the second calibration table (C 2); and performing a second analysis of the recorded raw pressure data using the second calibration table (C 2) to generate measured pressure values of the measured pressure. selecting a first calibration table (C 1), of the memory gauge, for which the maximum calibration pressure value of its range of calibration pressure values is the highest among the maximum calibration pressure values of the ranges of calibration pressure values of the plural calibration tables; performing a first analysis of the recorded raw pressure data using the first calibration table (C 1) to generate measured pressure values of the measured pressure and to determine the highest measured pressure value; comparing said determined highest measured pressure value of the measured pressure with maximum calibration values of the ranges of calibration pressure values of the plural calibration tables of the memory gauge; and when a maximum calibration pressure value of the range of calibration pressure values of a second calibration table is closer to said determined highest measured pressure value of the measured pressure than the maximum calibration pressure value of the range of calibration pressure values of the first calibration table, the first calibration table being different from the second calibration table, selecting the second calibration table (C 2); and performing a second analysis of the recorded raw pressure data using the second calibration table (C 2) to generate measured pressure values of the measured pressure.