Patent ID: 11914097
Assignee: HALLIBURTON ENERGY SERVICES, INC.
Field: Measurement (Instruments)
Classification: CPC G  E | IPC E  G

Claim 12:
13. The method of claim 12, wherein the formation permittivity is found from:, ε
   a
  
  ≈
  
   
    -
    
     tan
     ⁡
     (
     
      ϕ
      
       
        Z
        ~
       
       F
      
     
     )
    
   
   
    ω
    ⁢
    
     R
     a
    
   
  
 

wherein Ra is an apparent resistivity and ϕ{tilde over (Z)}F is a phase angle of the mud effect removed impedance.