COGIS - WELL Information

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Surface Location Data for API # 05-013-06423                               Status: PR         4/27/2005
Well Name/No: ANDERSON MB #33-1 (click well name for production)
Operator: 8 NORTH LLC - 10575
Status Date: 4/27/2005 Federal or State Lease #:
FacilityID: 206928 LocationID: 321428
County: BOULDER #013 Location: NENE  33 2N69W 6 PM
Field: WATTENBERG  - #90750 Elevation: 5,085 ft.
Planned Location       660 FNL  660 FEL Lat/Long: 40.099816/-105.11477 Lat/Long Calculated From Footages
As Drilled Location      Footages Not Available Lat/Long: 40.09989/-105.11474 Lat/Long Source: Field Measured
Wellbore Data for Sidetrack #00                                                    Status: PR         4/27/2005
Spud Date: 3/2/2005 Spud Date is: ACTUAL
Wellbore Permit  
Permit #: 20043206 Expiration Date: 12/28/2004
Prop Depth/Form: 8200 Surface Mineral Owner Same: Y
Mineral Owner: FEE Surface Owner: FEE
Unit: Unit Number:
Formation and Spacing: Code: JSND , Formation: J SAND , Order: 232 , Unit Acreage: 160, Drill Unit: NE4
Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 0 , Unit Acreage: 160, Drill Unit: NE4
Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: , Depth: 502, Weight: 24
Cement: Sacks: 240, Top: 0, Bottom: 502, Method Grade:
Casing: String Type: 1ST , Hole Size: 7.875, Size: 3.5, Top: , Depth: 7686, Weight: 7.7
Cement: Sacks: 710, Top: 6640, Bottom: 7686, Method Grade:
Wellbore Completed
Completion Date: 4/11/2005
Measured TD: 8153 Measured PB depth: 8115
True Vertical TD: True Vertical PB depth:
Log Types:
Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 502, Weight: 24
Cement: Sacks: 240, Top: 0, Bottom: 502, Method Grade:
Casing: String Type: 1ST , Hole Size: 7.875, Size: 3.5, Top: 0, Depth: 7686, Weight: 7.7
Cement: Sacks: 710, Top: 6640, Bottom: 7686, Method Grade:
Casing: String Type: 1ST LINER , Hole Size: , Size: 2.375, Top: 7680, Depth: 8140, Weight: 4.7
Cement: Sacks: 4, Top: 7685, Bottom: 8140, Method Grade: CBL
Formation Log Top Log Bottom Cored DSTs
SUSSEX 4266 N N
NIOBRARA 7224 N N
FORT HAYS 7536 N N
CODELL 7553 N N
J SAND 7990 N N
Completed information for formation JNBCD                                     Status: CM         4/27/2005
1st Production Date: 4/11/2005 Choke Size: 0.219
Status Date: 4/27/2005 Open Hole Completion: N
Commingled: Y Production Method: FLOWING
Formation Name: J-NIOBRARA-CODELL Status: CM
Formation Treatment
Treatment Date: 10/22/1993    
Treatment summary: PERF "J" SAND 7989'-7993', 8003'-8015', 8028'-8030' 72 HOLES. FRAC "J" SAND W/137,928 DYNAFLOW 11 24# AND 435,060# 20/40 OTTAWA SAND & 12,000# 16/30 SB EXCEL, 3/31/05. CUT LINER AND COMMINGLE WITH NC-CD
Tubing Size: 2.0625 Tubing Setting Depth: 7663
Tubing Packer Depth: Tubing Multiple Packer:
Open Hole Top: Open Hole Bottom:
    Initial Test Data:
Test Date: 4/27/2005 Test Method: FLOWING
Hours Tested: 24 Gas Type: WET
Gas Disposal: SOLD
Test Type Measure
    BBLS_H2O 15    
    CALC_BBLS_H2O 15    
    CALC_MCF_GAS 127    
    CASING_PRESS 400    
    MCF_GAS 127    
    TUBING_PRESS 200    
    Perforation Data:
    Interval Bottom: 8030 Interval Top: 7989
    # of Holes: 72 Hole Size: 0.22
Completed information for formation JSND                                     Status: PR         4/27/2005
1st Production Date: 4/11/2005 Choke Size: 0.219
Status Date: 4/27/2005 Open Hole Completion: N
Commingled: Y Production Method: FLOWING
Formation Name: J SAND Status: PR
Formation Treatment
Treatment Date: 10/22/1993    
Treatment summary: FRAC J SAND W/ 137,928 DYNAFLOW 11 24# AND 435,060# 20/40 OTTAWA SAND & 12,000# 16/30 SB EXCEL
Tubing Size: Tubing Setting Depth:
Tubing Packer Depth: Tubing Multiple Packer:
Open Hole Top: Open Hole Bottom:
No Initial Test Data was found for formation JSND .
    Perforation Data:
    Interval Bottom: 8030 Interval Top: 7989
    # of Holes: 72 Hole Size: 0.22
Completed information for formation NB-CD                                     Status: PR         11/8/1993
1st Production Date: 10/22/1993 Choke Size: 1,264.000
Status Date: 11/8/1993 Open Hole Completion:
Commingled: Production Method:
Formation Name: NIOBRARA-CODELL Status: PR
Tubing Size: Tubing Setting Depth:
Tubing Packer Depth: Tubing Multiple Packer:
Open Hole Top: Open Hole Bottom:
    Initial Test Data:
Test Date: 11/8/1993 Test Method: FLOWING
Hours Tested: 24 Gas Type: SHALE
Gas Disposal: SOLD
Test Type Measure
    CALC_BBLS_H2O 4    
    CALC_BBLS_OIL 4    
    CALC_GOR 42500    
    CALC_MCF_GAS 170    
    CASING_PRESS 375    
    Perforation Data:
    Interval Bottom: 7572 Interval Top: 7328
    # of Holes: 13 Hole Size: 0.32