Specific Well--15-101-21797-0001 Engineering Data

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API: 15-101-21797-0001 KID: 1052915807 Lease: HERL TRUST 'A' Well: 1-16 Original operator: Darrah Oil Company, LLC Current operator: Darrah Oil Company, LLC Field: Pendennis North Location: T16S R27W, Sec. 16 SW SE SE 330 North, 990 West, from SE corner NAD27 Longitude: -100.3072823 NAD27 Latitude: 38.6551971 NAD83 Longitude: -100.3076937 NAD83 Latitude: 38.6552113 Lat-long calculated from footages

County: Lane Permit Date: Nov-14-2022 Spud Date: Dec-09-2022 Completion Date: Jan-19-2023 Plugging Date: Well Type: OIL Status: Producing Total Depth: 4620 Elevation: 2667 KB Producing Formation: MARMATON IP Oil (bbl): IP Water (bbl): IP GAS (MCF): KDOR code for Oil: 148274 KCC Permit No.:

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Drill Stem Tests Taken: No Samples Set to Survey: No Cores Taken: No Electric Logs Run: No Method of Completion: Perforated Date of First or Resumed Production/Injection: Feb. 28, 2023

Producing Method: Pumping Estimated production per 24 hours     Oil:     Water:     Gas: Disposition of Gas: Tubing record     Size:     Set at:     Packer at: Production intervals: 4260 ; 4279

Casing record new or used? Used
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	8.625	20	214	60/40	150	3%cc 2%gel
Production	7.875	5.5	17	4609	h-ld	150	-

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	4276	4279
4	4260	4263

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