COGIS - WELL Information

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Surface Location Data for API # 05-123-22953                               Status: PA         4/2/2018
Well Name/No: CLARK #A1 (click well name for production)
Operator: EXTRACTION OIL & GAS INC - 10459
Status Date: 4/2/2018 Federal or State Lease #:
FacilityID: 277457 LocationID: 332837
County: WELD #123 Location: NENE  20 5N65W 6 PM
Field: WATTENBERG  - #90750 Elevation: 4,668 ft.
Planned Location       160 FNL  750 FEL Lat/Long: 40.391385/-104.680559 Lat/Long Calculated From Footages
As Drilled Location      Footages Not Available Lat/Long: 40.3914/-104.68052 Lat/Long Source: Field Measured
Wellbore Data for Sidetrack #00                                                    Status: PA         4/2/2018
Spud Date: 10/19/2005 Spud Date is: ACTUAL
Wellbore Permit   DIRECTIONAL
Permit #: 20050583 Expiration Date: 4/28/2006
Prop Depth/Form: 8030 Surface Mineral Owner Same: N
Mineral Owner: FEE Surface Owner: FEE
Unit: Unit Number:
Formation and Spacing: Code: DKTA , Formation: DAKOTA , Order: 499-15 , Unit Acreage: 320, Drill Unit:
Formation and Spacing: Code: JSND , Formation: J SAND , Order: 232-23 , Unit Acreage: 320, Drill Unit:
Formation and Spacing: Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 407-87 , Unit Acreage: 160, Drill Unit:
Wellbore Completed
Completion Date: 10/25/2005
Measured TD: 7950 Measured PB depth: 7900
True Vertical TD: 7230 True Vertical PB depth: 7197
Top PZ Location:           Sec: 16 Twp: 5N 65W Footage: 1434 S  1 W Depth
Bottom Hole Location:   Sec: 16 Twp: 5N 65W Footages: 1434 FSL  1 FWL Depth
Log Types: CNL, CBL
Casing: String Type: SURF , Hole Size: 12.25, Size: 8.625, Top: 0, Depth: 456, Weight: 24
Cement: Sacks: 275, Top: 0, Bottom: 456, Method Grade: VISU
Casing: String Type: 1ST , Hole Size: 7.875, Size: 4.5, Top: 0, Depth: 7931, Weight: 13.5
Cement: Sacks: 660, Top: 3050, Bottom: 7931, Method Grade: CBL
Formation Log Top Log Bottom Cored DSTs
SUSSEX 4274 4410 N N
NIOBRARA 7240 7697 N N
CODELL 7732 7760 N N
Completed information for formation CODL                                     Status: CM         4/18/2011
1st Production Date: 12/1/2005 Choke Size:
Status Date: 4/18/2011 Open Hole Completion: N
Commingled: Y Production Method:
Formation Name: CODELL Status: CM
Formation Treatment
Treatment Date: 3/31/2011    
Treatment summary: Re-Perf 7,740'-7,750'. Frac CODL [7740'-7750'] w/ 128,016 gal fluid and 251,820# 20/40 sand (32,197 gal slick wtr, 95,819 gal xlink gel). ISIP=2770 psi (0.83 F.G.). ISDP=3655 psi (0.95 F.G. 885 psi increase), ATP=5301 psi, ATR=50.9 BPM, ,ave=23 cp @ 64F. MTP=5445 psi, MTR=51.3 BPM.
Formation Treatment
Treatment Date: 10/25/2005    
Treatment summary: 120,750 GAL GEL, 240,700# 20/40 SAND AND 10,000# 20/40 RCS
Tubing Size: Tubing Setting Depth:
Tubing Packer Depth: Tubing Multiple Packer:
Open Hole Top: Open Hole Bottom:
    Initial Test Data:
Test Date: N/A Test Method:
Hours Tested: Gas Type:
Gas Disposal:
Test Type Measure
    BBLS_H2O 3    
    BBLS_OIL 81    
    BTU_GAS 1198    
    CALC_BBLS_H2O 3    
    CALC_BBLS_OIL 81    
    CALC_GOR 5808    
    CALC_MCF_GAS 470    
    CASING_PRESS 700    
    GRAVITY_OIL 55    
    MCF_GAS 470    
    Perforation Data:
    Interval Bottom: 7750 Interval Top: 7740
    # of Holes: 40 Hole Size: 0.42
Completed information for formation NB-CD                                     Status: AB         4/2/2018
1st Production Date: 4/18/2011 Choke Size:
Status Date: 4/2/2018 Open Hole Completion: N
Commingled: N Production Method:
Formation Name: NIOBRARA-CODELL Status: AB
Tubing Size: 2.375 Tubing Setting Depth: 7723
Tubing Packer Depth: Tubing Multiple Packer:
Open Hole Top: Open Hole Bottom:
    Initial Test Data:
Test Date: 4/18/2011 Test Method: Flowing
Hours Tested: 432 Gas Type: WET
Gas Disposal: SOLD
Test Type Measure
    BBLS_H2O 596    
    BBLS_OIL 724    
    BTU_GAS 1294    
    CALC_BBLS_H2O 10    
    CALC_BBLS_OIL 40    
    CALC_GOR 5112    
    CALC_MCF_GAS 205    
    CASING_PRESS 1400    
    GRAVITY_OIL 59    
    MCF_GAS 3701    
    TUBING_PRESS 1580    
    Perforation Data:
    Interval Bottom: 7750 Interval Top: 7264
    # of Holes: 84 Hole Size:
Completed information for formation NBRR                                     Status: CM         3/20/2014
1st Production Date: 4/18/2011 Choke Size:
Status Date: 3/20/2014 Open Hole Completion: N
Commingled: Y Production Method:
Formation Name: NIOBRARA Status: CM
Formation Treatment
Treatment Date: 3/31/2011    
Treatment summary: Perf. Frac NBRR A [7,264'-7,270'] & NBRR B [7,460'-7,466'] w/ 221,172 gal fluid (126,420 gal SLKW, 94,752 gal XLG) and 306,220# sand (251,000 20/40 & 55,220 40/70). ISIP=3435 psi (0.95 F.G.). ISDP 3795 (FG 1.01, 360 psi increase), 1 min 3762, 4 min 3505, ATP=5303 psi, ATR=57.2 BPM,MTP=5727 psi, MTR=60.8 BPM.
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 NBRR .
    Perforation Data:
    Interval Bottom: 7466 Interval Top: 7264
    # of Holes: 48 Hole Size: 0.42