COGIS - WELL Information

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Surface Location Data for API # 05-123-44247                               Status: PR         3/26/2018
Well Name/No: Wells Ranch #AF07-638 (click well name for production)
Operator: NOBLE ENERGY INC - 100322
Status Date: 3/26/2018 Federal or State Lease #:
FacilityID: 449292 LocationID: 449296
County: WELD #123 Location: SESE  8 5N62W 6 PM
Field: WATTENBERG  - #90750 Elevation: 4,713 ft.
Planned Location       1312 FSL  175 FEL Lat/Long: 40.41045/-104.3383 Lat/Long Source: Field Measured
As Drilled Location      Footages Not Available Lat/Long: 40.410454/-104.338314 Lat/Long Source: Field Measured

Chemical Disclosure Registry
Job Date:         12/27/2017
Job End Date:  1/10/2018
Reported:   2/20/2018 Days to report:  41
Wellbore Data for Sidetrack #00                                                    Status: PR         3/26/2018
Spud Date: 8/11/2017 Spud Date is: ACTUAL
Wellbore Permit   HORIZONTAL
Permit #: Expiration Date: 2/16/2019 2:02:43 PM
Prop Depth/Form: 16001 Surface Mineral Owner Same:
Mineral Owner: FEE Surface Owner: FEE
Unit: Unit Number:
Formation and Spacing: Code: NBRR , Formation: NIOBRARA , Order: , Unit Acreage: 324, Drill Unit: GWA
Casing: String Type: CONDUCTOR , Hole Size: 26, Size: 16, Top: 0, Depth: 80, Weight: 40
Cement: Sacks: 6, Top: 0, Bottom: 80, Method Grade:
Casing: String Type: SURF , Hole Size: 13.5, Size: 9.625, Top: 0, Depth: 1850, Weight: 36
Cement: Sacks: 658, Top: 0, Bottom: 1850, Method Grade:
Casing: String Type: 1ST , Hole Size: 8.5, Size: 5.5, Top: 0, Depth: 16001, Weight: 20
Cement: Sacks: 2060, Top: , Bottom: , Method Grade:
Wellbore Completed
Completion Date: 8/16/2017
Measured TD: 16090 Measured PB depth: 16036
True Vertical TD: 6483 True Vertical PB depth: 6483
Top PZ Location:           Sec: 8 Twp: 5N 62W Footage: 1872 FSL  469 FEL Depth
Bottom Hole Location:   Sec: 7 Twp: 5N 62W Footages: 1884 FSL  543 FWL Depth
Log Types: CBL, MWD/LWD, (DIL in API 123-44251)
Casing: String Type: CONDUCTOR , Hole Size: 26, Size: 16, Top: 0, Depth: 110, Weight: 42.09
Cement: Sacks: 640, Top: 0, Bottom: 110, Method Grade: VISU
Casing: String Type: SURF , Hole Size: 13.5, Size: 9.625, Top: 0, Depth: 1942, Weight: 36
Cement: Sacks: 683, Top: 0, Bottom: 1942, Method Grade: VISU
Casing: String Type: 1ST , Hole Size: 8.5, Size: 5.5, Top: 0, Depth: 16080, Weight: 20
Cement: Sacks: 1742, Top: 1992, Bottom: 16080, Method Grade: CBL
Formation Log Top Log Bottom Cored DSTs
PIERRE 400
PARKMAN 3404
SUSSEX 4165
SHANNON 4850
TEEPEE BUTTES 5793
NIOBRARA 6464
Completed information for formation NBRR                                     Status: PR         3/26/2018
1st Production Date: 3/22/2018 Choke Size:
Status Date: 3/26/2018 Open Hole Completion: N
Commingled: N Production Method:
Formation Name: NIOBRARA Status: PR
Formation Treatment Treatment Type: FRACTURE STIMULATION
Treatment Date: 12/27/2017 Treatment End Date: 1/10/2018
Treatment summary: Frac w/ 782 bbls 28% HCl, 404116 bbls Fluid, and 18039000 lbs 40/70 Ottawa sand.
Total fluid used in treatment (bbls): 404116 Max pressure during treatment (psi): 7640
Total gas used in treatment (mcf): Fluid density (lbs/gal): 8.46
Type of gas: Number of staged intervals: 318
Total acid used in treatment (bbls): 782 Min frac gradient (psi/ft): 0.75
Recycled water used in treatment (bbls): Total flowback volume recovered (bbls): 7227
Produced water used in treatment (bbls): 404116 Disposition method for flowback: DISPOSAL
Total proppant used (lbs): 18039000 Green completions techniques utilized: True
Reason green techniques not utilized:
Tubing Size: 2.375 Tubing Setting Depth: 6527
Tubing Packer Depth: 6533 Tubing Multiple Packer:
Open Hole Top: Open Hole Bottom:
    Initial Test Data:
Test Date: 3/26/2018 Test Method: flowing
Hours Tested: 24 Gas Type: WET
Gas Disposal: SOLD
Test Type Measure
    BBLS_H2O 1597    
    BBLS_OIL 260    
    BTU_GAS 1385    
    CALC_BBLS_H2O 1597    
    CALC_BBLS_OIL 260    
    CALC_GOR 619    
    CALC_MCF_GAS 161    
    CASING_PRESS 6    
    GRAVITY_OIL 52    
    MCF_GAS 161    
    TUBING_PRESS 1257    
    Perforation Data:
    Interval Bottom: 15907 Interval Top: 6632
    # of Holes: 2544 Hole Size: 0.48