COGIS - WELL Information

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Surface Location Data for API # 05-123-46055                               Status: PR         7/1/2018
Well Name/No: Milkshake #31W-20-2N (click well name for production)
Operator: EXTRACTION OIL & GAS INC - 10459
Status Date: 7/1/2018 Federal or State Lease #: 1290.10
FacilityID: 453377 LocationID: 433139
County: WELD #123 Location: SWSW  32 6N67W 6 PM
Field: WATTENBERG  - #90750 Elevation: 4,948 ft.
Planned Location       1154 FSL  300 FWL Lat/Long: 40.439135/-104.924296 Lat/Long Source: Field Measured

Chemical Disclosure Registry
Job Date:         5/13/2018
Job End Date:  5/27/2018
Reported:   6/7/2018 Days to report:  11
Wellbore Data for Sidetrack #00                                                    Status: PR         7/1/2018
Spud Date: 1/13/2018 Spud Date is: NOTICE
Wellbore Permit   HORIZONTAL
Permit #: Expiration Date: 12/14/2019 4:42:48 PM
Prop Depth/Form: 17849 Surface Mineral Owner Same:
Mineral Owner: STATE Surface Owner: FEE
Unit: Unit Number:
Formation and Spacing: Code: NBRR , Formation: NIOBRARA , Order: , Unit Acreage: 640, Drill Unit: GWA
Casing: String Type: CONDUCTOR , Hole Size: 24, Size: 16, Top: 0, Depth: 80, Weight: 42
Cement: Sacks: 100, Top: 0, Bottom: 80, Method Grade:
Casing: String Type: SURF , Hole Size: 12.25, Size: 9.625, Top: 0, Depth: 1500, Weight: 36
Cement: Sacks: 400, Top: 0, Bottom: 1500, Method Grade:
Casing: String Type: 1ST , Hole Size: 8.5, Size: 5.5, Top: 0, Depth: 17861, Weight: 20
Cement: Sacks: 2384, Top: 1500, Bottom: 17861, Method Grade:
Wellbore Completed
Completion Date: N/A
Measured TD: Measured PB depth:
True Vertical TD: True Vertical PB depth:
Top PZ Location:           Sec: 31 Twp: 6N 67W Footage: 459 FNL  460 FEL Depth
Bottom Hole Location:   Sec: 36 Twp: 6N 68W Footages: 348 FFNLL  460 FFWLL Depth
Formation Log Top Log Bottom Cored DSTs
Completed information for formation N-COM                                     Status: PR         7/1/2018
1st Production Date: 1/1/2018 Choke Size:
Status Date: 7/1/2018 Open Hole Completion:
Commingled: Production Method:
Formation Name: NOT COMPLETED Status: PR
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 N-COM .
No Perforation Data was found for formation N-COM .
Wellbore Data for Sidetrack #01                                                    Status: PR         7/29/2018
Wellbore Permit   HORIZONTAL
Permit #: Expiration Date: 1/30/2020 10:32:56 AM
Prop Depth/Form: 17849 Surface Mineral Owner Same:
Mineral Owner: STATE Surface Owner: FEE
Unit: Unit Number:
Formation and Spacing: Code: NBRR , Formation: NIOBRARA , Order: , Unit Acreage: 640, Drill Unit: GWA
Casing: String Type: CONDUCTOR , Hole Size: 24, Size: 16, Top: 0, Depth: 80, Weight: 42
Cement: Sacks: 100, Top: 0, Bottom: 80, Method Grade:
Casing: String Type: SURF , Hole Size: 12.25, Size: 9.625, Top: 0, Depth: 1585, Weight: 36
Cement: Sacks: 400, Top: 0, Bottom: 1585, Method Grade:
Casing: String Type: 1ST , Hole Size: 8.5, Size: 5.5, Top: 0, Depth: 17849, Weight: 20
Cement: Sacks: 2382, Top: 1500, Bottom: 17849, Method Grade:
Wellbore Completed
Completion Date: N/A
Measured TD: Measured PB depth:
True Vertical TD: True Vertical PB depth:
Top PZ Location:           Sec: 31 Twp: 6N 67W Footage: 459 FFNLL  460 FFELL Depth
Bottom Hole Location:   Sec: 36 Twp: 6N 68W Footages: 348 FFNLL  460 FFWLL Depth
Formation Log Top Log Bottom Cored DSTs
Completed information for formation NBRR                                     Status: PR         7/29/2018
1st Production Date: 7/25/2018 Choke Size:
Status Date: 7/29/2018 Open Hole Completion: N
Commingled: N Production Method:
Formation Name: NIOBRARA Status: PR
Formation Treatment Treatment Type: FRACTURE STIMULATION
Treatment Date: 5/13/2018 Treatment End Date: 5/27/2018
Treatment summary: Frac'd Niobrara with 62 stage plug and perf; 18600390 total lbs proppant pumped: 9299980 lbs 40/70 mesh sand and 9300410 lbs 30/50 mesh sand; 25966 total bbls fluid pumped: 25335 bbls fresh water and 631 bbls 15% HCL acid.
Total fluid used in treatment (bbls): 25966 Max pressure during treatment (psi): 8535
Total gas used in treatment (mcf): Fluid density (lbs/gal): 8.33
Type of gas: Number of staged intervals: 62
Total acid used in treatment (bbls): 631 Min frac gradient (psi/ft): 0.95
Recycled water used in treatment (bbls): Total flowback volume recovered (bbls): 10155
Produced water used in treatment (bbls): 25335 Disposition method for flowback: DISPOSAL
Total proppant used (lbs): 18600390 Green completions techniques utilized: True
Reason green techniques not utilized:
Tubing Size: 2.375 Tubing Setting Depth: 8374
Tubing Packer Depth: 8360 Tubing Multiple Packer:
Open Hole Top: Open Hole Bottom:
    Initial Test Data:
Test Date: 7/29/2018 Test Method: flowing
Hours Tested: 24 Gas Type: WET
Gas Disposal: SOLD
Test Type Measure
    BBLS_H2O 663    
    BBLS_OIL 509    
    BTU_GAS 1300    
    CALC_BBLS_H2O 663    
    CALC_BBLS_OIL 509    
    CALC_GOR 1234    
    CALC_MCF_GAS 628    
    CASING_PRESS 818    
    GRAVITY_OIL 40    
    MCF_GAS 628    
    TUBING_PRESS 1382    
    Perforation Data:
    Interval Bottom: 17753 Interval Top: 8521
    # of Holes: 2197 Hole Size: 0.42