Specific Well--15-121-31443 Engineering Data

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API: 15-121-31443 KID: 1046533337 Lease: HOLTZ Well: A-7 Original operator: Altavista Energy, Inc. Current operator: Altavista Energy, Inc. Field: Block Location: T18S R24E, Sec. 16 NE NE SE SW 1155 North, 2805 West, from SE corner NAD27 Longitude: -94.7610646 NAD27 Latitude: 38.4798923 NAD83 Longitude: -94.7613012 NAD83 Latitude: 38.4799084 Lat-long calculated from footages	County: Miami Permit Date: Dec-13-2017 Spud Date: Dec-19-2017 Completion Date: Dec-20-2017 Plugging Date: Well Type: OIL Status: Producing Total Depth: 600 Elevation: 970 KB Producing Formation: SQUIRREL IP Oil (bbl): IP Water (bbl): IP GAS (MCF): KDOR code for Oil: 100516 KCC Permit No.:
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Drill Stem Tests Taken: No Samples Set to Survey: No Cores Taken: Yes Electric Logs Run: Yes Gamma Ray/Neutron/CCL Method of Completion: Perforated Date of First or Resumed Production/Injection: Apr. 01, 2025

Producing Method: Pumping Estimated production per 24 hours     Oil: .5     Water:     Gas: Disposition of Gas: Tubing record     Size:     Set at:     Packer at: Production intervals: 531 ; 541

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	9.875	7	17	20	Portland	3	NA
Production	5.625	2.875	6.5	591	50/50 Poz	70	See Ticket

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
3	531	541			31 Perfs - 2" DML RTG

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