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401658863 02 2018-06-01T09:55:05.393-06:00 69175 PDC ENERGY INC

1775 SHERMAN STREET - STE 3000

DENVER CO 80203 Venessa Chase 303 318-6102 303 860-5838 Venessa Chase Regulatory Supervisor 2018-06-01T09:55:05.393-06:00 2018-06-01T09:55:05.283-06:00 UPLOADED venessachase 2018-05-31T13:54:21.093-06:00 venessachase venessa.chase@pdce.com 3.00000 447859 venessa.chase@pdce.com ingrahaa ingrahaa 2018-06-08T16:39:14.94-06:00 401658863 DR Y N OIL SINGLE N Ottenhoff 29R-423 14145 NENE 29 5N 64W 6 975 WATTENBERG FEL 559 90750 4662 FNL WELD HORIZONTAL 931 980 FEL FEE 814 FNL 29 FEE 5N 64W 80 Township 5 North, Range 64 West, 6th P.M. Section 29: E/2NE/4 FEL 2340 0 FNL 32 205 5N 64W FEET FEET N N N N OFFSITE Land application Drill cuttings will be land applied at PDC spread fields with COGCC Facility ID 448329, 444255, or 449950. 05 123 43640 00 20160047 ANNULAR PREVENTOR DOUBLE RAM ROTATING HEAD 40.375957 -104.567783 2016-02-25T00:00:00-07:00 Jason Dahlman 2.2 false false true false false false false false false false false false false false false FEE true Surface Use Agreement 814 FEET Proposed Spacing Unit: T5N-R64W Section 29: E2; Section 32: NE, N2SE 133 FEET true 318A OFFSITE Beneficial reuse true 449950 true false false false false false true true false false false mark.gorka@pdce.com false false 401658863 The distance to the completed portion of the nearest well on the “Spacing and Formations” tab was measured to the Ottenhoff 29R-203. The distance to the nearest wellbore belonging to another operator on the “Drilling & Waste Plans” tab was measured to the Blake B 29-9. Both distances were measured via COGCC Mapper, 2D View. This pad has not been built. There is a valid, unexpired 2A for this location. There have been no changes since sundry notice approved on 3/16/17. The OWE has been updated. 401658863 401658863 FORM 2 SUBMITTED 401658863.pdf 401658863 401658938 OffsetWellEvaluations Data Ottenhoff Offset Well Evaluation 5N64W29CR 5.15.18.xlsx 34226 2d978a5e-4aca-42dc-bba3-2a05d33bc929 401658863 1 Drilling/Completion Operations Prior to drilling operations, Operator will perform an anti-collision scan of existing offset wells that have the potential of being within close proximity of the proposed well. This anti-collision scan will include definitive MWD or gyro surveys of the offset wells with included error of uncertainty per survey instrument, and compared against the proposed wellpath with its respective error of uncertainty. If current surveys do not exist for the offset wells, Operator may have gyro surveys conducted to verify bottomhole location. The proposed well will only be drilled if the anti-collision scan results indicate that there is not a risk for collision, or harm to people or the environment. For the proposed well, upon conclusion of drilling operations, an as-constructed gyro survey will be submitted to COGCC with the Form 5. false 7f29120b-60bb-45a1-92f0-4e81a78ebf37 401658863 3 Drilling/Completion Operations One of the first wells drilled on the pad will be logged with Cased hole Pulsed Neutron Log with Gamma Ray Log from kick-off point into the surface casing. All wells on the pad will have a cement bond log with gamma-ray run on production casing (or on intermediate casing if production liner is run) into the surface casing. The horizontal portion of every well will be logged with a measured while-drilling gamma-ray log. The Form 5, Completion Report, for each well on the pad will list all logs run in that well and have those logs attached. The Form 5 for each well shall clearly state “No open-hole logs were run” and shall reference the Rule 317.p Exception granted for the well. false 0f071623-1dc4-4d73-be1e-9751c3610b33 401658863 2 Drilling/Completion Operations Operator will comply with COGCC Policy for Bradenhead Monitoring During Hydraulic Fracturing Treatments in the Greater Wattenberg Area dated May 29, 2012. The Colorado Oil and Gas Conservation Commission (COGCC) has established this Policy Regarding Bradenhead Monitoring During Hydraulic Fracturing Treatments (“Treatment”) in the Greater Wattenberg Area (“GWA”) pursuant to COGCC 207.a. (“Policy”). This Policy applies to oil and gas operations in the GWA as defined by the COGCC Rules of Practice and Procedure. false 401658863 1ST 8 1 2 5 1 2 20 14145 2035 14145 0 0 PLANNED 401658863 SURF 12 1 4 9 5 8 36 1600 920 1600 0 0 PLANNED 401658863 CODELL CODL 560 GWA Thread was being aborted.