HORIZON WELL LOGGING      
 
MORNING REPORT FOR: 25-Feb-05     TIME: 6:00 AM  
COMPANY: U.S. Navy     WELL: FOH #3 D  
DEPTH @ 06:00: 7790' DEPTH YESTERDAY @ 06:00 7628' 24 HR FOOTAGE: 162'
LAST CASING RUN: 7" at 2938'   REPORT #: 6  
 
 
DRILLING DATA
DRILLING TIME: 21.3 hrs REAMING:    
CIRCULATE TIME: 1 hrs.    
      WOB 15-20,000    
DRILL RATE:       RPM 60-65    
  MINIMUM - 2 ft/ hr    @ 7716'   PP 900-1000    
  MAXIMUM -  23 ft/hr     @ 7744'   SPM 1 0-75    
  AVERAGE - 7.6 ft/hr       SPM 2 40-45    
                   
 
      MUD SYSTEM      
TEMPERATURE IN: MINIMUM - 124   CUMULATIVE MUD LOSS: 816 BBLS
Degrees F MAXIMUM - 146   MAXIMUM LOSS RATE: 6 B/HR
    CURRENT- 127   CURRENT LOSS RATE: 5 B/HR
TEMPERATURE OUT: MINIMUM - 138   LOSS REMARKS: Lossing 4-5 B/H, 120/24 hrs
Degrees F MAXIMUM - 170            
    CURRENT- 146            
CARBON DIOXIDE: MINIMUM - 360        
ppm MAXIMUM - 360   TRIP TEMPERATURE:      
    CURRENT- 360   TRIP GAS        
DITCH GAS: MAXIMUM - 0      
UNITS AVERAGE - 0   PIT VOLUME 385    
 
LITHOLOGY SURVEYS
CURRENT LITHOLOGY: RHYOLITE/TUFF          
AVERAGE LITHOLOGY: RHYOLITE        
GENERAL DESCRIPTION: Rhyolite, wht to lt gry, occ pl grn, sl      
mottled; hd to mod hd; dense; cryptoxstln w/ occ sbhdrl qtz & fspr; <7%  
dk lithic frags; poss metatuff; v sl chlortized, tr fn cubic pyrite; rr         
druse qtz, tr dissem pyr, sl calc      
CUTTINGS SIZE:   2.2 mm          
CUTTINGS DENSITY: 15.7 ppg        
                   
     
COMMENTS                
  Drill f/ 7628' to 7790'    
       
       
       
  NB#3: Varel 537, 6.125"   in @ 7504', 286'/35.8 hrs    
         
            28  degrees atmospheric temp