Specific Well--15-153-21271 Engineering Data

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API: 15-153-21271 KID: 1052070270 Lease: ARGABRIGHT Well: 1-4 Original operator: Black Oak Exploration, LLC Current operator: Black Oak Exploration, LLC Field: Unnamed Location: T3S R34W, Sec. 4 SE NW NW SE 2125 North, 2100 West, from SE corner NAD27 Longitude: -101.1370921 NAD27 Latitude: 39.8197102 NAD83 Longitude: -101.13753 NAD83 Latitude: 39.81971 Lat-long from GPS	County: Rawlins Permit Date: Sep-23-2021 Spud Date: Oct-19-2021 Completion Date: Nov-11-2021 Plugging Date: Well Type: OIL Status: Producing Total Depth: 4542 Elevation: 2903 KB Producing Formation: LANSING-KANSAS CITY IP Oil (bbl): IP Water (bbl): IP GAS (MCF): KDOR code for Oil: 147949 KCC Permit No.:
Discovery well for Longhorn Creek field.
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Drill Stem Tests Taken: No Samples Set to Survey: No Cores Taken: No Electric Logs Run: Yes Attached Method of Completion: Perforated Date of First or Resumed Production/Injection: Jan. 05, 2021

Producing Method: Pumping Estimated production per 24 hours     Oil: 50     Water: 0     Gas: Disposition of Gas: Tubing record     Size: 2.875     Set at: 4080     Packer at: Production intervals: 3318 ; 3322

Casing record new or used? New
Purpose of String	Size Hole Drilled	Size Casing Set (in O.D.)	Weight Lbs/Ft	Setting Depth	Type of Cement	# Sacks Used	Type and Percent Additives
Surface	12.25	8.624	23	248	Class H	180	2% Gel, 3% CC
Production	7.875	5.5	15.5	4540	H-Con	620	2% Gel, 3% CC

Additional Cementing/Squeeze Record purpose?
Depth Top Bottom	Type of Cement	# Sacks Used	Type and Percent Additives

Perforation Record
Shots Per Foot	Perforation Top	Perforation Bottom	Bridge Plug Type	Bridge Plug Set At	Material Record
4	3318	3322

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Kansas Geological Survey, Oil and Gas Well Database
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Data added continuously.