Patent ID: 11953633
Assignee: CHINA UNIVERSITY OF PETROLEUM (EAST CHINA)
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 5:
6. The method according to claim 1, wherein the set of target S-wave elastic parameters comprises:, C
   
    1
    ⁢
    1
   
   s
  
  =
  0
 

 
  
   C
   
    1
    ⁢
    2
   
   s
  
  =
  
   
    -
    2
   
   ⁢
   
    (
    
     1
     +
     
      2
      ⁢
      γ
     
    
    )
   
   ⁢
   ρ
   ⁢
   
    v
    
     s
     ⁢
     0
    
    2
   
  
 

 
  
   C
   
    1
    ⁢
    3
   
   s
  
  =
  
   
    -
    ρ
   
   ⁢
   
    
     v
     
      s
      ⁢
      0
     
     2
    
    (
    
     1
     +
     
      
       1
       +
       
        2
        ⁢
        δ
        ⁢
        
         
          v
          
           p
           ⁢
           0
          
          2
         
         
          
           v
           
            p
            ⁢
            0
           
           2
          
          -
          
           v
           
            s
            ⁢
            0
           
           2
          
         
        
       
      
     
    
    )
   
  
 

 
  
   C
   
    3
    ⁢
    3
   
   s
  
  =
  0
 

 
  
   C
   
    4
    ⁢
    4
   
   s
  
  =
  
   
    C
    
     5
     ⁢
     5
    
    s
   
   =
   
    ρ
    ⁢
    
     v
     
      s
      ⁢
      0
     
     2
    
   
  
 

 
  
   C
   
    6
    ⁢
    6
   
   s
  
  =
  
   
    (
    
     1
     +
     
      2
      ⁢
      γ
     
    
    )
   
   ⁢
   ρ
   ⁢
   
    v
    
     s
     ⁢
     0
    
    2
   
  
 

where, the C11s, the C12s, the C13s, the C33s, the C44s, the C55s and the C66s are target S-wave elastic parameters, respectively, the γ and the δ are parameters of anisotropy, respectively, the νp0 is the P-wave velocity of the medium along the symmetry axis, the νs0 is the S-wave velocity of the medium along the symmetry axis, and the ρ is the medium density field.