COGIS - WELL Information

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Surface Location Data for API # 05-123-43664                               Status: PR         5/23/2018
Well Name/No: Shull Fed #31-32-1HN (click well name for production)
Operator: MALLARD EXPLORATION LLC - 10670
Status Date: 5/23/2018 Federal or State Lease #:
FacilityID: 447901 LocationID: 447902
County: WELD #123 Location: NENW  31 9N59W 6 PM
Field: WILDCAT  - #99999 Elevation: 4,905 ft.
Planned Location       894 FNL  2090 FWL Lat/Long: 40.711509/-104.022793 Lat/Long Source: Field Measured
As Drilled Location      Footages Not Available Lat/Long: 40.711509/-104.022795 Lat/Long Source: Field Measured

Chemical Disclosure Registry
Job Date:         4/3/2018
Job End Date:  4/17/2018
Reported:   7/30/2018
Originally Reported:  4/23/2018 
Days to report:  104
Days to report:  6 
Wellbore Data for Sidetrack #00                                                    Status: SI         12/1/2019
Spud Date: 2/15/2018 Spud Date is: ACTUAL
Wellbore Permit   HORIZONTAL
Permit #: Expiration Date: 2/6/2020 8:44:30 PM
Prop Depth/Form: 13423 Surface Mineral Owner Same:
Mineral Owner: FEE Surface Owner: FEE
Unit: Unit Number:
Formation and Spacing: Code: NBRR , Formation: NIOBRARA , Order: 535-734 , Unit Acreage: 960, Drill Unit: S31 E2; S32 All
Casing: String Type: CONDUCTOR , Hole Size: 26, Size: 16, Top: 0, Depth: 70, Weight: 43
Cement: Sacks: 50, Top: 0, Bottom: 70, Determination Method:
Casing: String Type: SURF , Hole Size: 13.5, Size: 9.625, Top: 0, Depth: 1550, Weight: 36
Cement: Sacks: 585, Top: 0, Bottom: 1550, Determination Method:
Casing: String Type: 1ST , Hole Size: 8.5, Size: 5.5, Top: 0, Depth: 13413, Weight: 20
Cement: Sacks: 2100, Top: 0, Bottom: 13413, Determination Method:
Casing: String Type: 1ST LINER , Hole Size: 6.125, Size: 4.5, Top: 6493, Depth: 13540, Weight: 11.6
Cement: Sacks: 525, Top: 6493, Bottom: 13540, Determination Method:
Wellbore Completed
Completion Date: 3/4/2018
Measured TD: 13554 Measured PB depth: 13540
True Vertical TD: 6159 True Vertical PB depth: 6160
Top PZ Location:           Sec: 31 Twp: 9N 59W Footage: 512 N  2101 E Depth
Bottom Hole Location:   Sec: 32 Twp: 9N 59W Footages: 473 FNL  471 FEL Depth
Log Types: MWD/LWD, Mud Log, CBL
Casing: String Type: CONDUCTOR , Hole Size: 26, Size: 16, Top: 0, Depth: 80, Weight: 43
Cement: Sacks: 50, Top: 0, Bottom: 80, Determination Method: VISU
Casing: String Type: SURF , Hole Size: 13.5, Size: 9.625, Top: 0, Depth: 1623, Weight: 36
Cement: Sacks: 585, Top: 0, Bottom: 1623, Determination Method: VISU
Casing: String Type: 1ST , Hole Size: 8.5, Size: 5.5, Top: 0, Depth: 13540, Weight: 20
Cement: Sacks: 2160, Top: 64, Bottom: 13554, Determination Method: CBL
Formation Log Top Log Bottom Cored DSTs
PARKMAN 3480
SUSSEX 4216
SHANNON 4677
SHARON SPRINGS 6032
NIOBRARA 6124
Completed information for formation NBRR                                     Status: SI         12/1/2019
1st Production Date: 6/1/2018 Choke Size: 38.000
Status Date: 12/1/2019 Open Hole Completion: N
Commingled: N Production Method:
Formation Name: NIOBRARA Status: SI
Formation Treatment Treatment Type: FRACTURE STIMULATION
Treatment Date: 4/3/2018 Treatment End Date: 4/17/2018
Treatment summary: Niobrara frac'd w/ 294,475 lbs of 100 mesh and 20,359,457 lbs of 40/70, 368,733 bbls of Slickwater, and 30,500 gal of 7.5% HCl
Total fluid used in treatment (bbls): 369459 Max pressure during treatment (psi): 8557
Total gas used in treatment (mcf): Fluid density (lbs/gal): 8.33
Type of gas: Number of staged intervals: 55
Total acid used in treatment (bbls): 726 Min frac gradient (psi/ft): 0.78
Recycled water used in treatment (bbls): 0 Total flowback volume recovered (bbls): 38706
Produced water used in treatment (bbls): 368733 Disposition method for flowback: DISPOSAL
Total proppant used (lbs): 20653932 Green completions techniques utilized: True
Reason green techniques not utilized:
Tubing Size: 2.375 Tubing Setting Depth: 6282
Tubing Packer Depth: 6272 Tubing Multiple Packer:
Open Hole Top: Open Hole Bottom:
    Initial Test Data:
Test Date: 5/23/2018 Test Method: Flowing
Hours Tested: 24 Gas Type: WET
Gas Disposal: SOLD
Test Type Measure
    BBLS_H2O 1059    
    BBLS_OIL 704    
    BTU_GAS 1495    
    CALC_BBLS_H2O 1059    
    CALC_BBLS_OIL 704    
    CALC_GOR 575    
    CALC_MCF_GAS 405    
    CASING_PRESS 9    
    GRAVITY_OIL 35    
    MCF_GAS 405    
    TUBING_PRESS 318    
    Perforation Data:
    Interval Bottom: 13511 Interval Top: 6662
    # of Holes: 1620 Hole Size: 0.42