Fuzzy Comprehensive Evaluation on the Effect of Measures Operation for Oil-Water Well

Table 1

The quantity scale of 0.1~0.9.

Scale value	Definition	Explanation
0.5	Equally important	Two elements compared, equally important.
0.6	Slightly important	Two elements compared, an element is more slightly important than another element.
0.7	Obviously important	Two elements compared, an element is more obviously important than another element.
0.8	Much more important	Two elements compared, an element is much more important than another element.
0.9	Extremely important	Two elements compared, an element is more extremely important than another element.
0.1, 0.2, 0.3, 0.4	Converse comparison	If 𝑢𝑖 is compared with 𝑢𝑗, get the judgment value 𝑟𝑖𝑗, then 𝑢𝑗 is compared with 𝑢𝑖, the judgment value is 𝑟𝑗𝑖=1−𝑟𝑖𝑗.