Operators (Anonymised) Barriers. Placement & Verification Casing Section Removal Conductor Removal Data & Planning Intervention Equipment Well Inspection & Cement Condition
a 10 6 4 1 3  
b 6 4   1 3 4
c 3 3 2   7 2
d 5 5       3
e 5   1   6  
f 3 2 1   2 1
g 1 1     6  
h 4 1   2    
i 3 2        
j 1     1 2  
k 1 1        
l     1     1
m     1   1