Specific Well--15-121-30989 Engineering Data

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API: 15-121-30989 KID: 1045006472 Lease: Barkis Well: A-15 Original operator: Altavista Energy, Inc. Current operator: Superior Oilfield Services LLC Field: Paola-Rantoul Location: T16S R24E, Sec. 17 SW NW SW NW 3465 North, 5115 West, from SE corner NAD27 Longitude: -94.7866662 NAD27 Latitude: 38.6599682 NAD83 Longitude: -94.7869037 NAD83 Latitude: 38.6599794 Lat-long calculated from footages	County: Miami Permit Date: Apr-06-2015 Spud Date: Apr-22-2015 Completion Date: Apr-23-2015 Plugging Date: Well Type: OIL Status: Producing Total Depth: 720 Elevation: 1037 KB Producing Formation: BARTLESVILLE IP Oil (bbl): IP Water (bbl): IP GAS (MCF): KDOR code for Oil: 100554 KCC Permit No.:
KCC Elog used Expired API# of 15-121-30987. KGSDRL 11/17/2025
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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: May. 21, 2015

Producing Method: Pumping Estimated production per 24 hours     Oil: 2     Water:     Gas: Disposition of Gas: Tubing record     Size:     Set at:     Packer at: Production intervals:

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	23	Portland	4	NA
Production	5.625	2.875	7	699	50/50 Poz	94	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 record	Material Record	Depth
3	636-646 - 31 Perfs - 2" DML RTG

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