~Version Information Block                   
 VERS.                      2.0:     CWLS LOG ASCII STANDARD - VERSION 2.0 
 WRAP.                       NO:     ONE LINE PER DEPTH STEP
#        
~Well Information Block
#MNEM.UNIT                     Data                         Information
#----------   ------------------------------------------   ----------------                
 STRT.FT                                      320.0000:     Start Depth                    
 STOP.FT                                        4663.0:     Stop Depth                     
 STEP.FT                                           0.5:     Step Length                  
 NULL.                                       -999.2500:     Null Value                     
 COMP.                              ALLEN DRILLING CO.:     Operating Company
 LEAS.                                     LATHROP 'B':     Lease Name  
 WELL.                                             1-3:     Well Number           
 FLD .             
                   Grimes Northeast:     Field
 LOC .                                      03-27S-12W:     Location      
 LOC1.                                        W2 NW SE:     Quarters     
 LOC2.                               1980 FSL 2200 FEL:     Footages                
 SEC .                                              03:     Section                        
 TWP .                                             27S:     Township            
 RANG.                                             12W:     Range      
 CNTY.                                           Pratt:     County
 STAT.                                              KS:     State    
 CTRY.                                             USA:     Country                     
 SRVC.                                     HALLIBURTON:     Service Company            
 DATE.                                     27-MAR-1991:     Log Date 
 API .                                    15-151-22045:     API Number                    
 
 UWI .                                    15-151-22045:     UWI Number
 TVD .                                              NO:     TVD flag
 WSTA.                                             LOC:     Well status 
#               
~Parameter Information BLock
#MNEM .UNIT           VALUE  : DESCRIPTION
#----------    -------------   -------------------                     
 EGL  .FT         1880.0000  : Ground Level Elevation         
 EKB  .FT         1885.0000  : Kelly Bushing Elevation        
 EDF  .FT                    : Derrick Floor Elevation        
 ERT  .FT                    : Rotary Table Elevation         
 TDL  .FT                    : Total Depth Logger             
 TDD  .FT         4662.0000  : Total Depth Driller            
#                
~Curve Information Block
#MNEM.UNIT       API CODE      Curve Description
#----------    -------------   -------------------               
 DEPT.FT                    : Depth in Feet                  
 GR  .GAPI                
  : Gamma Ray                      
 SP  .MV                    : Spontaneous Potential          
 ILD .OHMM                  : Deep Induction Standard Processed Resistivity 
 CALI.IN                    : Caliper                        
 RHOB.G/C3                  : Bulk Density                   
 NPHI.DEC                   : Neutron Porosity               
 PEF .V/V                   : Photo-Electric Factor
#