HORIZON WELL LOGGING      
 
MORNING REPORT FOR: 24-Feb-05     TIME: 6:00 AM  
COMPANY: U.S. Navy     WELL: FOH #3 D  
DEPTH @ 06:00: 7628' DEPTH YESTERDAY @ 06:00 7524' 24 HR FOOTAGE: 104'
LAST CASING RUN: 7" at 2938'   REPORT #: 5  
 
 
DRILLING DATA
DRILLING TIME: 12.75 hrs REAMING:    
CIRCULATE TIME: 2 hrs.    
      WOB 15-20,000    
DRILL RATE:       RPM 65    
  MINIMUM - 4 ft/ hr    @ 7614'   PP 950-1000    
  MAXIMUM -  32 ft/hr     @ 7574'   SPM 1 0    
  AVERAGE - 8.3 ft/hr       SPM 2 45    
                   
 
      MUD SYSTEM      
TEMPERATURE IN: MINIMUM - 95   CUMULATIVE MUD LOSS: 696 BBLS
Degrees F MAXIMUM - 146   MAXIMUM LOSS RATE: 9 B/HR
    CURRENT- 146   CURRENT LOSS RATE: 4 B/HR
TEMPERATURE OUT: MINIMUM - 124   LOSS REMARKS: Lost 35 bbls on trip, currently
Degrees F MAXIMUM - 170       loosing 5 bbls/hr.  
    CURRENT- 170       60 bbls lost while drilling @ circ.
CARBON DIOXIDE: MINIMUM - 360        
ppm MAXIMUM - 360   TRIP TEMPERATURE: 162    
    CURRENT- 360   TRIP GAS 0      
DITCH GAS: MAXIMUM - 0      
UNITS AVERAGE - 0   PIT VOLUME 380    
 
LITHOLOGY SURVEYS
CURRENT LITHOLOGY: RHYOLITE          
AVERAGE LITHOLOGY: RHYOLITE        
GENERAL DESCRIPTION: Rhyolite, wht to pl grn, occ fnt mottling,      
mod hd to hd; cryptoxstln, occ to com amts of sbhdrl qtz & fspr phenos;   
sl chloritic; sl calc; tr amt of fine cubic pyrite, mnr hemtt..        
       
CUTTINGS SIZE:   2.5 mm avg          
CUTTINGS DENSITY: 15.5 ppg        
                   
     
COMMENTS                
  Change out swivel, RIH, fill pipe, drill to 7527', repair standpipe, drill to 7628'     
       
       
       
  NB#3: Varel 537, 6.125"   in @ 7504', 124'/14.5 hrs    
         
            29  degrees atmospheric temp