Specific Well--15-205-28069 Engineering Data

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API: 15-205-28069 KID: 1044195462 Lease: Carlson, Barry L. Well: 5-4 Original operator: PostRock Midcontinent Production LLC Current operator: River Rock Operating, LLC Field: Altoona Location: T28S R17E, Sec. 5 NE SW SE NE 2195 South, 750 West, from NE corner NAD27 Longitude: -95.5643644 NAD27 Latitude: 37.6395974 NAD83 Longitude: -95.5646237 NAD83 Latitude: 37.639646 Lat-long calculated from footages

County: Wilson Permit Date: Nov-19-2012 Spud Date: Dec-19-2012 Completion Date: Jan-25-2013 Plugging Date: Well Type: OIL Status: Producing Total Depth: 1107 Elevation: 995 GL Producing Formation: Bartlesville IP Oil (bbl): IP Water (bbl): IP GAS (MCF): KDOR code for Oil: 143647 KDOR code for Gas: 227852 KCC Permit No.:

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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. 31, 2013

Producing Method: Pumping Estimated production per 24 hours     Oil:     Water:     Gas: Disposition of Gas: Sold Tubing record     Size: 1.5     Set at: 1057.2     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	12.25	8.625	22	20	A	5
PRODUCTION	7.875	5.5	14	1102.26	A	140

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	983-988/992-994	330 BBLS PRODUCED WATER/ 400# GEL/ 143 SKS 12/20 SAND	983-988/992-994

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