Specific Well--15-009-31702 Engineering Data

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API: 15-009-31702 KID: 1052608746 Lease: KELLER Well: 1-31 Original operator: Darrah Oil Company, LLC Current operator: Darrah Oil Company, LLC Field: Hiss South Location: T20S R13W, Sec. 31 NE SW NE SE 1847 North, 748 West, from SE corner NAD27 Longitude: -98.7952006 NAD27 Latitude: 38.266108 NAD83 Longitude: -98.795566 NAD83 Latitude: 38.2661208 Lat-long calculated from footages	County: Barton Permit Date: Jun-01-2022 Spud Date: Jun-11-2022 Completion Date: Sep-19-2022 Plugging Date: Well Type: OIL Status: Producing Total Depth: 3572 Elevation: 1914 KB Producing Formation: ARBUCKLE IP Oil (bbl): IP Water (bbl): IP GAS (MCF): KDOR code for Oil: 148119 KCC Permit No.:
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Drill Stem Tests Taken: Yes Samples Set to Survey: No Cores Taken: No Electric Logs Run: Yes Attached Method of Completion: Open Hole Date of First or Resumed Production/Injection: Oct. 05, 2022

Producing Method: Pumping Estimated production per 24 hours     Oil:     Water:     Gas: Disposition of Gas: Tubing record     Size:     Set at:     Packer at: Production intervals: 3556 ; 3569

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	8.625	23	435	Common	435	2%gel, 3%cc
Production	7.875	5.5	14	3556	H-long	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
2	3300	3302
2	3304	3306
2	3364	3367
2	3424	3430
1	3459	3463

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