COGIS - WELL Information

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Surface Location Data for API # 05-005-07167                               Status: PR         11/29/2011
Well Name/No: STATE OF CO #5-24XXHZ (click well name for production)
Operator: BURLINGTON RESOURCES OIL & GAS LP - 26580
Status Date: 11/29/2011 Federal or State Lease #: 70-8032-S
FacilityID: 423639 LocationID: 423626
County: ARAPAHOE #005 Location: NENE  24 5S65W 6 PM
Field: DJ HORIZONTAL NIOBRARA  - #16950 Elevation: 5,954 ft.
Planned Location       500 FNL  500 FEL Lat/Long: 39.607989/-104.605935 Lat/Long Source: Field Measured
As Drilled Location      Footages Not Available Lat/Long: 39.607989/-104.605955 Lat/Long Source: Field Measured

Chemical Disclosure Registry
Job Date:         11/18/2011
Job End Date:  11/18/2011
Reported:   Prior to rule 205A.b.(2)(A)  
Wellbore Data for Sidetrack #00                                                    Status: AB         5/6/2011
Spud Date: 8/26/2011 Spud Date is: ACTUAL
Wellbore Permit   HORIZONTAL
Permit #: Expiration Date: 6/15/2013 11:56:41 PM
Prop Depth/Form: 12750 Surface Mineral Owner Same: Y
Mineral Owner: STATE Surface Owner: STATE
Unit: Unit Number:
Formation and Spacing: Code: NBRR , Formation: NIOBRARA , Order: , Unit Acreage: 640, Drill Unit: ALL
Casing: String Type: SURF , Hole Size: 12.25, Size: 9.625, Top: 0, Depth: 2370, Weight: 36
Cement: Sacks: 530, Top: 0, Bottom: 2370, Method Grade:
Casing: String Type: 1ST , Hole Size: 8.75, Size: 7, Top: 0, Depth: 8449, Weight: 26
Cement: Sacks: 730, Top: , Bottom: 8449, Method Grade:
Casing: String Type: 2ND , Hole Size: 6.125, Size: 4.5, Top: 7166, Depth: 12750, Weight: 11.6
Cement: Sacks: 0, Top: , Bottom: 12750, Method Grade:
Wellbore Completed
Completion Date: 9/15/2011
Measured TD: 8416 Measured PB depth: 8416
True Vertical TD: 8016 True Vertical PB depth: 8016
Top PZ Location:           Sec: 24 Twp: 5s 65w Footage: 628 FNL  712 FEL Depth
Bottom Hole Location:   Sec: 24 Twp: 5s 64w Footages: 628 FNL  712 FEL Depth
Log Types: SP/GR, SP/GR, ER/MI/FC
Casing: String Type: SURF , Hole Size: 13.5, Size: 9.625, Top: 25, Depth: 2407, Weight:
Cement: Sacks: 810, Top: 0, Bottom: 2420, Method Grade: CALC
Casing: String Type: OPEN HOLE , Hole Size: 8.75, Size: , Top: 2407, Depth: 8416, Weight:
Cement: Sacks: , Top: , Bottom: , Method Grade:
Additional Cement: String Type: OPEN HOLE , Top: 6250, Depth: , Bottom: 6750, Sacks: 211, Method Grade:
Formation Log Top Log Bottom Cored DSTs
No additional interval records were found for sidetrack 00.
Wellbore Data for Sidetrack #01                                                    Status: AB         9/16/2011
Spud Date: 8/26/2011 Spud Date is: ACTUAL
Wellbore Permit   HORIZONTAL
Permit #: Expiration Date: 10/12/2013 12:26:09 PM
Prop Depth/Form: 12750 Surface Mineral Owner Same: Y
Mineral Owner: STATE Surface Owner: STATE
Unit: Unit Number:
Formation and Spacing: Code: NBRR , Formation: NIOBRARA , Order: , Unit Acreage: 640, Drill Unit: ALL
Casing: String Type: SURF , Hole Size: 12.25, Size: 9.625, Top: 0, Depth: 2370, Weight: 36
Cement: Sacks: 530, Top: 0, Bottom: 2370, Method Grade:
Casing: String Type: 1ST , Hole Size: 8.75, Size: 7, Top: 0, Depth: 8449, Weight: 26
Cement: Sacks: 730, Top: , Bottom: 8449, Method Grade:
Casing: String Type: 1ST LINER , Hole Size: 6.125, Size: 4.5, Top: 7166, Depth: 12750, Weight: 11.6
Cement: Sacks: 0, Top: , Bottom: 12750, Method Grade:
Wellbore Completed
Completion Date: 9/21/2011
Measured TD: 7467 Measured PB depth: 5662
True Vertical TD: 7399 True Vertical PB depth: 5594
Top PZ Location:           Sec: 24 Twp: 5S 65W Footage: 907 FNL  711 FEL Depth
Bottom Hole Location:   Sec: 24 Twp: 5S 65W Footages: 907 FNL  711 FEL Depth
Log Types:
Casing: String Type: SURF , Hole Size: 13.5, Size: 9.625, Top: 25, Depth: 2407, Weight:
Cement: Sacks: 810, Top: 25, Bottom: 2420, Method Grade: CALC
Casing: String Type: OPEN HOLE , Hole Size: 8.75, Size: , Top: 2407, Depth: 7467, Weight:
Cement: Sacks: , Top: , Bottom: , Method Grade:
Additional Cement: String Type: OPEN HOLE , Top: 5158, Depth: 5658, Bottom: 5658, Sacks: 211, Method Grade:
Additional Cement: String Type: OPEN HOLE , Top: 4640, Depth: , Bottom: 5658, Sacks: 211, Method Grade:
Formation Log Top Log Bottom Cored DSTs
No additional interval records were found for sidetrack 01.
Wellbore Data for Sidetrack #02                                                    Status: PR         11/29/2011
Spud Date: 8/26/2011 Spud Date is: ACTUAL
Wellbore Permit   HORIZONTAL
Permit #: Expiration Date: 10/12/2013 1:13:59 PM
Prop Depth/Form: 12750 Surface Mineral Owner Same: Y
Mineral Owner: STATE Surface Owner: STATE
Unit: Unit Number:
Formation and Spacing: Code: NBRR , Formation: NIOBRARA , Order: , Unit Acreage: 640, Drill Unit: ALL
Casing: String Type: SURF , Hole Size: 13.5, Size: 9.625, Top: 0, Depth: 2407, Weight: 36
Cement: Sacks: 810, Top: 25, Bottom: 2420, Method Grade:
Casing: String Type: 1ST , Hole Size: 8.75, Size: 7, Top: 0, Depth: 8449, Weight: 26
Cement: Sacks: 730, Top: , Bottom: 8449, Method Grade:
Casing: String Type: 1ST LINER , Hole Size: 6.125, Size: 4.5, Top: 7250, Depth: 11945, Weight: 11.6
Cement: Sacks: 227, Top: 7450, Bottom: 11945, Method Grade:
Wellbore Completed
Completion Date: 10/11/2011
Measured TD: 12583 Measured PB depth: 12486
True Vertical TD: 7904 True Vertical PB depth: 7906
Top PZ Location:           Sec: 24 Twp: 5S 65W Footage: 964 FNL  965 FEL Depth
Bottom Hole Location:   Sec: 24 Twp: 5S 65W Footages: 55 FSL  799 FEL Depth
Log Types: GR-RES, XRMI, WSRP, WSAP, SDDSN, CSNGR, ERMI, ACTRSDDSN,ACTR, WS, GT, BV
Casing: String Type: SURF , Hole Size: 13.5, Size: 9.625, Top: 0, Depth: 2407, Weight:
Cement: Sacks: 810, Top: 0, Bottom: 2420, Method Grade: CALC
Casing: String Type: 1ST , Hole Size: 8.75, Size: 7, Top: 0, Depth: 8310, Weight:
Cement: Sacks: 629, Top: 6750, Bottom: 8303, Method Grade: CBL
Casing: String Type: 1ST LINER , Hole Size: 6.125, Size: 4.5, Top: 7248, Depth: 12573, Weight:
Cement: Sacks: 220, Top: 7748, Bottom: 12573, Method Grade: CALC
Formation Log Top Log Bottom Cored DSTs
NIOBRARA 7833
Completed information for formation NBRR                                     Status: PR         5/1/2012
1st Production Date: 11/28/2011 Choke Size:
Status Date: 5/1/2012 Open Hole Completion: N
Commingled: N Production Method:
Formation Name: NIOBRARA Status: PR
Formation Treatment
Treatment Date: 11/15/2011    
Treatment summary: Total average pressure 4,808, total average rate 52.1, total bbl fluid 57,660, total sand weight 2,920,140.
Tubing Size: 2.375 Tubing Setting Depth: 8022
Tubing Packer Depth: Tubing Multiple Packer:
Open Hole Top: Open Hole Bottom:
    Initial Test Data:
Test Date: 11/29/2011 Test Method: FLOWING
Hours Tested: 24 Gas Type: SHALE
Gas Disposal: FLARED
Test Type Measure
    BBLS_OIL 37    
    BTU_GAS 1300    
    CALC_BBLS_OIL 37    
    CALC_GOR 1891    
    CALC_MCF_GAS 70    
    CASING_PRESS 1557    
    GRAVITY_OIL 39    
    MCF_GAS 70    
    TUBING_PRESS 619    
    Perforation Data:
    Interval Bottom: 12455 Interval Top: 8495
    # of Holes: 720 Hole Size: 0.42