National Oilwell Varco Survey Report

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1 Note: 8,995' per dated 08/20/2015 from Operator. The vertical portion of well is plugged off from TD to KOP. OXY USA Andrews County University DC 1H Surveys: 131`MD `MD National Oilwell Varco Survey Report 14 February 2015 UWI No Surface Coordinates: N, E (32 28' " N, ' " W) Grid Coordinate System: NAD27 Texas State Planes, North Central Zone, US Foot Surface Coordinates relative to Map Coordinates: N, E (Grid) Surface Coordinates relative to Map Coordinates: N, E (Grid) Kelly Bushing Elevation: ft above Mean Sea Level Kelly Bushing Elevation: ft above Mean Sea Level Kelly Bushing Elevation: 25.00ft above Ground Level Ground Level: ft Survey Ref: svy276 Date of Survey: 12 February 2015 KellyDown - Version:

2 Survey Report for Andrews County, University DC 1H, Surveys: 131`MD `MD OXY USA Survey Incl. (Grid) Azim. Northings Eastings Section Dogleg ( /100ft) N 0.00 E S 0.64 W S 0.68 W N 1.22 W S 1.68 W N 2.12 W N 2.12 W N 2.11 W N 2.08 W N 2.07 W N 2.09 W N 1.21 W N 0.59 E N 1.98 E N 3.75 E N 4.12 E S 4.98 E S 6.38 E S 7.92 E S 9.66 E S E S E S E S E S E S E S E S E S E S E S E S E S E S E S E S E S E S E S E S E S E S E S E S E S E S E S E S E S E S E /14/2015 8:18 PM Copyright National Oilwell Varco All rights reserved

3 Survey Report for Andrews County, University DC 1H, Surveys: 131`MD `MD OXY USA Survey Incl. (Grid) Azim. Northings Eastings Section Dogleg ( /100ft) S E N E N E N E N E N E N E N E N E N E N E N E N E N E N E N E N E N E N E N E N E N E N E N E N E N E N E N E N E N E N E N E N E N E N E N E N E N E N E N E N E N E N E N E N E N E N E N E N E N E /14/2015 8:18 PM Copyright National Oilwell Varco All rights reserved

4 Survey Report for Andrews County, University DC 1H, Surveys: 131`MD `MD OXY USA Survey Incl. (Grid) Azim. Northings Eastings Section Dogleg ( /100ft) N E N E N E N E N E N E All data is in Feet (US Survey) unless otherwise stated. Directions and coordinates are relative to Grid North. depths are relative to University DC 1H. Northings and Eastings are relative to University DC 1H. The dogleg severity is in Degrees per 100 feet (US Survey). Section is from University DC 1H calculated along an azimuth of (Grid). Based upon minimum curvature calculations, at a measured depth of ft, the bottom hole displacement is 82.60ft, in the direction of (Grid). The along-hole displacement is ft. The total accumulated dogleg is The measured tortuosity is /100ft. The directional difficulty index is 3.4. Survey Tool Program for University DC 1H, Surveys: 131`MD `MD Measured From To Measured Survey Tool Description FloSurvey TiltOnlyMEM 2/14/2015 8:18 PM Copyright National Oilwell Varco All rights reserved

5 OXY USA Survey Report for Andrews County, University DC 1H, Surveys: 131`MD `MD REFERENCE DATA Ellipsoid Clarke Unit System Feet (Us Survey) Coord. System NAD27 Texas State Planes, North Central Zone, US Foot North Ref. Grid North Mag. Model IGRF2010 Ref. Mean Sea Level Calc. Date 24 Jan, 2015 LOCATION DATA RKB Elevation ft above MSL Total Field nt Map North N Magnetic Dip Map East E Declination 6.59 Latitude 32 28' " N Convergence Longitude ' " W NORTH REFERENCE DATA Magnetic Model IGRF2010 Calculation Date Saturday, January 24, 2015 Declination 6.59 Inclination/Dip Grid North True North Horizontal Component Northerly Component Easterly Component nt nt nt Magnetic North Component nt Total Field Strength Grid North is 2.67 degrees West of True North (Grid Convergence) Magnetic North is 6.59 degrees East of True North (Magnetic Declination) Magnetic North is 9.26 degrees East of Grid North (Magnetic Convergence) To convert a True Direction to a Grid Direction, Add 2.67 degrees. To convert a Magnetic Direction to a True Direction, Add 6.59 degrees. To convert a Magnetic Direction to a Grid Direction, Add 9.26 degrees nt Hole Direction Disclaimer Notice National Oilwell Varco makes no warranty of any kind with respect to the subject matter included herein or the completeness or accuracy of this document. National Oilwell Varco are not responsible for any actions (or lack thereof) taken as a result of relying on or in any way using information contained in this document and in no event shall be liable for any damages resulting from reliance on or use of this information. 2/14/2015 8:18 PM Copyright National Oilwell Varco All rights reserved

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8 Aim Directional Services Survey Report Company: Occidental Permian Ltd. Local Co-ordinate Reference: Well #1H Project: Andrews County, Texas TVD Reference: Site: University DC #1H MD Reference: Well: #1H North Reference: Grid Wellbore: Aim MWD Surveys Survey Calculation Method: Minimum Curvature Design: Aim MWD Surveys Database: EDM Single User Db Project Andrews County, Texas Map System: Geo Datum: US State Plane 1927 (Exact solution) NAD 1927 (NADCON CONUS) System Datum: Mean Sea Level Map Zone: Texas North Central 4202 Site University DC #1H Site Position: From: Position Uncertainty: Map 0.00 usft Northing: Easting: Slot Radius: 328, usft 490, /16 Latitude: 32 28' N usft Longitude: ' W " Grid Convergence: Well #1H Well Position 0.00 usft Northing: 328, usft Latitude: 32 28' N 0.00 usft Easting: 490, usft Longitude: ' W Position Uncertainty 0.00 usft Wellhead Elevation: 0.00 usft Ground Level: 3, usft Wellbore Aim MWD Surveys Magnetics Model Name Sample Date Declination Dip Angle Field Strength (nt) HDGM 2/28/ ,325 Design Aim MWD Surveys Audit Notes: Version: 1.0 Phase: ACTUAL Tie On : 8, Section: From (TVD) Direction Survey Program Date 3/8/2015 From To Survey (Wellbore) Tool Name Description , Original Hole Surveys (Original Hole Surve 8, , Aim MWD Surveys (Aim MWD Surveys) MWD+HDGM MWD+HDGM OWSG MWD + HDGM OWSG MWD + HDGM Survey Measured Inclination Azimuth Section Dogleg Build Turn 8, , Tie into Original Hole Surveys 8, , , , , , , , , , , , , , , , /6/2015 8:56:36AM Page 1 COMPASS Build 72

9 Aim Directional Services Survey Report Company: Occidental Permian Ltd. Local Co-ordinate Reference: Well #1H Project: Andrews County, Texas TVD Reference: Site: University DC #1H MD Reference: Well: #1H North Reference: Grid Wellbore: Aim MWD Surveys Survey Calculation Method: Minimum Curvature Design: Aim MWD Surveys Database: EDM Single User Db Survey Measured Inclination Azimuth Section Dogleg Build Turn 9, , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , /6/2015 8:56:36AM Page 2 COMPASS Build 72

10 Aim Directional Services Survey Report Company: Occidental Permian Ltd. Local Co-ordinate Reference: Well #1H Project: Andrews County, Texas TVD Reference: Site: University DC #1H MD Reference: Well: #1H North Reference: Grid Wellbore: Aim MWD Surveys Survey Calculation Method: Minimum Curvature Design: Aim MWD Surveys Database: EDM Single User Db Survey Measured Inclination Azimuth Section Dogleg Build Turn 11, , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Last Aim MWD Survey Taken 14, , , , , Projection to TD Design Targets Target Name - hit/miss target - Shape Dip Angle Dip Dir. TVD Northing Easting Latitude Longitude DC #1H PBHL , , , , , ' N ' W - survey misses target center by 44.66usft at usft MD ( TVD, N, E) - Point 4/6/2015 8:56:36AM Page 3 COMPASS Build 72

11 Aim Directional Services Survey Report Company: Occidental Permian Ltd. Local Co-ordinate Reference: Well #1H Project: Andrews County, Texas TVD Reference: Site: University DC #1H MD Reference: Well: #1H North Reference: Grid Wellbore: Aim MWD Surveys Survey Calculation Method: Minimum Curvature Design: Aim MWD Surveys Database: EDM Single User Db Survey Annotations Measured Local Coordinates Comment 8, , Tie into Original Hole Surveys 14, , , , Last Aim MWD Survey Taken 14, , , , Projection to TD Checked By: Approved By: Date: 4/6/2015 8:56:36AM Page 4 COMPASS Build 72

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