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402373754 02 2020-04-17T14:14:36.137-06:00 10110 GREAT WESTERN OPERATING COMPANY LLC

1001 17TH STREET #2000

DENVER CO 80202 Linsey Jones 720 595-2218 Linsey Jones Regulatry Analyst 2020-04-17T14:14:36.137-06:00 2020-04-17T18:36:41.493-06:00 UPLOADED JONESL 2020-04-17T09:58:31.39-06:00 JONESL ljones@gwp.com 6.10000 false 433857 ljones@gwp.com Returned to draft: •Add the plugging and abandonment bond# on the well name tab. •Add WOGLA # and an approved date for the Well location tab. •Add checkboxes to Exceptions on Exceptions tab. •The deviated directional plan shows a TD of 18,185' bu masonm masonm 2020-04-20T09:07:00.94-06:00 402373754 DR N Y OIL UNPLANNED SIDETRACK SINGLE N Postle IC 09-059HN 18185 SWNW 11 3N 68W 6 536 WATTENBERG FWL 1455 90750 4977 FNL WELD HORIZONTAL 310 370 FWL FEE 855 FNL 11 FEE 3N 68W 224 Irregular lease description FWL 861 0 FNL 9 18 3N 68W FEET FEET N N N Y OFFSITE Commercial Disposal 05 123 47371 01 20160041 ANNULAR PREVENTOR DOUBLE RAM 40.243981 -104.977864 2017-03-15T00:00:00-06:00 Chad Meiers 1.7 false false false false false false false false false false false false false false false FEE true Surface Use Agreement 470 FEET Proposed Spacing Unit: Section 11: W2W2 Section 10: all Section 9: all 173 FEET true 318A OFFSITE Commercial Disposal false true false false false false false true true false false false DeAnna Baird dbaird@gwogco.com false false false N/A County true true Approved WOGLA17-0092 Approved 12/12/2017 false WOGLA 2017-11-07T00:00:00-07:00 PDOP 402373754 Email approval for sidetrack for Postle IC 09-059HN (API #05-123-47371) given on April 17th at 9:02 AM i. An 8-1/2” hole was drilled to 14,120’ / 7193’ MD/TVD at which point it was not possible to drill deeper. After pulling out of the hole it was discovered that a fish consisting of the bit and +/-1’ of the bit sub had been left in the hole. ii. Great western will carry out an open hole sidetrack to drill around the fish. iii. Operations carried out to date: a. 13-1/2” surface hole was drilled to 1553’ MD/TVD b. 9-5/8” surface casing was run and cemented at 1553’ MD/TVD c. 8-1/2” hole was drilled to TD of 14,120’ / 7193’ MD/TVD. iv. A fish consisting of an 8-1/2” PDC bit with +/-1’ of the bit sub is left in the hole, the bottom of the fish is at 14,120’ MD and the top of the fish is at approximately 14,118’ MD. v. No cement plugs will be set. vi. No cement plugs will be set. vii. Estimated sidetrack point will be 13,480’ / 7207’ MD/TVD. viii. The proposed objective formation will not change and will be the Niobrara. ix. The BHL for the sidetrack will not change from the permitted BHL. The mineral interest owners will not change. 402373754 402373754 FORM 2 SUBMITTED 402373754.pdf 402373754 402374165 CORRESPONDENCE GWOC_Postle IC 09-059HN Sidetrack_Correspondence.pdf 226292 402373754 402374184 DIRECTIONAL DATA Postle IC 09-059HN-ST01 - Dir - Wellplan - Survey - COGCC.xlsm 71423 402373754 402374187 DEVIATED DRILLING PLAN Postle IC 09-059HN-ST01 - Dir - Wellplan - Plot.pdf 76510 402373754 402374732 WELLBORE DIAGRAM Postle IC 09-059HN-ST01_Schematic.pdf 79248 402373754 1ST 8 1 2 5 1 2 17 18185 2356 18185 0 PLANNED 402373754 SURF 13 1 2 9 5 8 36 1553 710 1553 0 0 PLANNED 402373754 NIOBRARA NBRR 1440 GWA Thread was being aborted.