El Paso E & P Company, L.P. SDI Standard Survey Report

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1 El Paso E & P Company, L.P. Irion County, TX (NAD27 TC) OH - Job #32D Survey: MWD 08 June, 2012

2 Local Co-ordinate Reference: Site Project Irion County, TX (NAD27 TC) Map System: Geo Datum: Map Zone: US State Plane 1927 (Exact solution) NAD 1927 (NADCON CONUS) Texas Central 4203 System Datum: Mean Sea Level Site Site Position: From: Position Uncertainty: Map 0.00 usft Northing: 515, usft Easting: 1,705, usft Slot Radius: 13-3/16 " Latitude: Longitude: Convergence: 31 4' N ' W Well Well Position Position Uncertainty +N/-S +E/-W 0.00 usft 0.00 usft 0.00 usft Northing: Easting: Wellhead Elevation: 515, usft 1,705, usft usft Latitude: Longitude: Ground Level: 31 4' N ' W 2, usft Wellbore OH - Job #32D Magnetics Design Actual Model Name Sample Date Declination Dip Angle Field Strength (nt) IGRF /03/ ,082 Audit Notes: Version: 1.0 Phase: ACTUAL Tie On : 0.00 Vertical Section: From (TVD) +N/-S +E/-W Direction Survey Program Date 2012/04/11 From To Survey (Wellbore) Tool Name Description MS Gyro (OH - Job #32D ) , MWD (OH - Job #32D ) UNKNOWN MWD Unknown survey MWD - Standard ISCWSA Survey Measured Inclination Azimuth True Vertical North/South East/West Closure Azimuth Closure Distance Gyro Tie-in , , , , , , , , , , , , , , , , /06/08 7:32:02PM Page 2

3 Local Co-ordinate Reference: Site Survey Measured Inclination Azimuth True Vertical North/South East/West Closure Azimuth Closure Distance 2, , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , /06/08 7:32:02PM Page 3

4 Local Co-ordinate Reference: Site Survey Measured Inclination Azimuth True Vertical North/South East/West Closure Azimuth Closure Distance 7, , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , /06/08 7:32:02PM Page 4

5 Local Co-ordinate Reference: Site Survey Measured Inclination Azimuth True Vertical North/South East/West Closure Azimuth Closure Distance 11, , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Last MWD Survey 14, , , , PBHL-Univ #2H 14, , , , Projection to Bit 2012/06/08 7:32:02PM Page 5

6 Local Co-ordinate Reference: Site Survey Annotations Measured Vertical +N/-S Local Coordinates +E/-W Comment Gyro Tie-in 14, , , Last MWD Survey 14, , , Projection to Bit 2012/06/08 7:32:02PM Page 6

7 G T M Azimuths to North True North: 0.48 Magnetic North: 6.81 Magnetic Field Strength: snT Dip Angle: To convert a Magnetic Direction to a Direction, Add 6.81 Date: 3/23/2012 To convert a True Direction to a Direction, Add 0.48 Model: IGRF Gyro Tie-in Irion County, TX (NAD27 TC) Northing: (Y) Easting: (X) Plan #2 vs Actual - 8-3/4" Hole WELL DETAILS: Ground Level: N/-S +E/-W Northing Easting Latittude Longitude ' N101 16' W SECTION DETAILS usft (Patterson #19) GL Sec MD Inc Azi TVD +N/-S +E/-W Dleg TFace VSect Target PBHL-Univ #2H True Vertical (500 usft/in) SITE DETAILS: Site Centre Northing: Easting: Positional Uncertainity: 0.0 Convergence: Local North: Julio C. Piña 13:45, April Scientific Drilling 2034 Trade Drive Midland, TX DESIGN TARGET DETAILS Name TVD +N/-S +E/-W Northing Easting Latitude Longitude PBHL-Univ #2H ' N 16' W - plan hits target center PROJECT DETAILS: Irion County, TX (NAD27 TC) Geodetic System: US State Plane 1927 (Exact solution) Datum: NAD 1927 (NADCON CONUS) Ellipsoid: Clarke 1866 Zone: Texas Central 4203 System Datum: Mean Sea Level L E G E N D FORMATION TOP DETAILS, OH - Job #32D , MS Gyro No formation data is available, OH - Job #32D , MWD Plan #2 8-3/4" Hole South(-)/North(+) (1200 usft/in) Last MWD Survey Projection to Bit Last MWD Survey PBHL-Univ #2H Vertical Section at (1200 usft/in) PBHL-Univ #2H Projection to Bit West(-)/East(+) (1200 usft/in)

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