Examples of Variable-Head Field Permeability Tests Used in Books: Given Interpretations and Correct Interpretations

What is it about?

This article presents an analysis of 21 sets of slug test data found in textbooks with the three diagnostic graphs method, and obtain three new findings. First, the textbooks ignore the method already proven and implemented in other countries since the 1980s. Second, the books selected biased data because their plots of log Z(t) vs. t are either curved upward or straight, but no plot is curved downward. Third, the data of the first test of the group-3 theory are abnormal and do not correspond to usual field data with good equipment.

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