Carrizo Oil & Gas Inc

RMF Measured Temperature RMC Measured Temperature Source RMF RMC RM MRT RMF MRT Maximum Recorded Temperatures Circulation Stopped Time Logger On Bottom Time Unit Number Location Recorded By Witnessed By Steven Earle 3021 Ft. Morgan, CO Mark Samford AIT Sensor 2.272 ohm.m 79 degf 1.704 ohm.m 79 degf 3.408 ohm.m 79 degf Calculated Calculated 0.898 209 0.674 209 209 degf 19 Oct 2010 1:15 21 Oct 2010 1:35 MUD Fluid Loss PH Source Of Sample RM Measured Temperature Density Viscosity Logging Date Run Number Depth Driller Schlumberger Depth Bottom Log Interval Top Log Interval Casing Driller Size Depth Casing Schlumberger Bit Size Type Fluid In Hole 1403 ft 8.750 in Gel and Chemical 9.4 lbm/gal 44 s 6241 ft 9.625 in 1400 ft 1 7598 ft 7573 ft 7426 ft 19 Oct 2010 County: Field: Location: Well: Company: API Serial No. 05 123 31642 0000 Section 16 Drilling Measured From: Kelly Bushing Weld Wildcat NWNW, Sec. 16, T9N, R60W State 16 11 9 60H Carrizo Oil & Gas Inc LOCATION Log Measured From: Kelly Bushing Permanent Datum: Ground Level Lat/Long: 40.755031 N / 104.104749 W SHL: 700 FNL X 700 FWL NWNW, Sec. 16, T9N, R60W Coring Tool Mechanical Sidewall Well: Field: County: Wildcat Weld State: State 16 11 9 60H Company: Carrizo Oil & Gas Inc CO Elev.: K.B. G.L. D.F. 5026.90 ft 5011.40 ft 5025.90 ft Elev.: 5011.40 ft 15.50 ft above Perm. Datum Township 9N Range 60W RMF Measured Temperature RMC Measured Temperature Source RMF RMC RM MRT RMF MRT Maximum Recorded Temperatures Circulation Stopped Time Logger On Bottom Time Unit Number Location Recorded By Witnessed By MUD Fluid Loss PH Source Of Sample RM Measured Temperature Density Viscosity Logging Date Run Number Depth Driller Schlumberger Depth Bottom Log Interval Top Log Interval Casing Driller Size Depth Casing Schlumberger Bit Size Type Fluid In Hole Run 1 Run 2 Run

3 Run 4 DEPTH SUMMARY LISTING Depth Measuring Device Type: IDW B Serial Number: 3713 Calibration Date: 13 Sep 2009 Calibrator Serial Number: 33 Calibration Cable Type: 7 39P LXS Wheel Correction 1: 7 Wheel Correction 2: 5 Depth System Equipment Tension Device Date Created: 20 OCT 2010 13:48:05 Logging Cable Type: CMTD B/A Type: 7 39P LXS Serial Number: 2787 Serial Number: 6171 Calibration Date: 13 Sep 2010 Length: 18000 FT Calibrator Serial Number: 100513 Conveyance Method: Wireline Number of Calibration Points: 10 Rig Type: LAND Calibration RMS: 26 Calibration Peak Error: 40 Log Sequence: Reference Log Name: Reference Log Run Number: Reference Log Date: Subsequent Log In the Well Depth Control Parameters 1. All Schlumberger depth policy procedures applied 2. This is the primary depth reference 3. 4. 5. 6. Depth Control Remarks DISCLAIMER THE USE OF AND RELIANCE UPON THIS RECORDED DATA BY THE HEREIN NAMED COMPANY (AND ANY OF ITS AFFILIATES, PARTNERS, REPRESENTATIVES, AGENTS, CONSULTANTS AND EMPLOYEES) IS SUBJECT TO THE TERMS AND CONDITIONS AGREED UPON BETWEEN SCHLUMBERGER AND THE COMPANY, INCLUDING: (a) RESTRICTIONS ON USE OF THE RECORDED DATA; (b) DISCLAIMERS AND WAIVERS OF WARRANTIES AND REPRESENTATIONS REGARDING COMPANY S USE OF AND RELIANCE UPON THE RECORDED DATA; AND (c) CUSTOMER S FULL AND SOLE RESPONSIBILITY FOR ANY INFERENCE DRAWN OR DECISION MADE IN CONNECTION WITH THE USE OF THIS RECORDED DATA. OTHER SERVICES1 OTHER SERVICES2 OS1: ECS OS1: OS2: FMI OS2: OS3: MSIP OS3: OS4: OS4: OS5: OS5: REMARKS: RUN NUMBER 1 REMARKS: RUN NUMBER 2 This is the third run in hole. Toolstring run as per tool sketch. Recovered 40 of 50 cores attempted. Missed 6419,6432,6474,6484,6584,6603,6605,6608,7192 and 7426

Rig: Xtreme 15 Crew: Mark Hoffman, Derrick Hunter RUN 1 RUN 2 SERVICE ORDER #: BHDJ 00028 SERVICE ORDER #: PROGRAM VERSION: 18C0 147 PROGRAM VERSION: FLUID LEVEL: 25 ft FLUID LEVEL: LOGGED INTERVAL START STOP LOGGED INTERVAL START STOP MCPP AA 73 GSR U/Y EQUIPMENT DESCRIPTION RUN 1 RUN 2 SURFACE EQUIPMENT DOWNHOLE EQUIPMENT LEH QT LEH QT 3021 49.7 AH Jars AH Jars 46.7 SGT E ECH KG 3681 SGC JC 2637 SGD TAA Gamma Ray 27.2 33.9 MSCT AA MCEC AA 137 ECH KS 72 MCMU AA 52 BIT AA MCFU_H AA 50 28.9

Tension MSCT TOOL ZERO TOOL BOTTOM MAXIMUM STRING DIAMETER 5.25 IN MEASUREMENTS RELATIVE TO TOOL ZERO ALL LENGTHS IN FEET (in) (ft) (ft) (in) Production String Well Schematic Casing String MD OD ID OD ID MD 0.0 9.625 Casing String 1400.0 9.625 Casing Shoe 1400.0 8.750 Borehole Segment

All Depths are Driller s Depths MSCT CORE REPORT Core Depth Recovery Remark 1 6241.0 (FT) Recovered 2 6262.0 (FT) Recovered 3 6263.9 (FT) Recovered 4 6297.1 (FT) Recovered 5 6299.5 (FT) Recovered 6 6300.5 (FT) Recovered 7 6304.0 (FT) Recovered 8 6327.9 (FT) Recovered 9 6349.1 (FT) Recovered 10 6354.0 (FT) Recovered 11 6360.4 (FT) Recovered 12 6370.9 (FT) Recovered 13 6373.0 (FT) Recovered 14 6375.0 (FT) Recovered 15 6380.9 (FT) Recovered 16 6385.5 (FT) Recovered 17 6387.9 (FT) Recovered 18 6394.9 (FT) Recovered 19 6396.1 (FT) Recovered

20 6403.1 (FT) Recovered 21 6405.1 (FT) Recovered 22 6407.1 (FT) Recovered 23 6411.9 (FT) Recovered 24 6414.1 (FT) Recovered 25 6415.1 (FT) Recovered 26 6416.1 (FT) Recovered 27 6418.0 (FT) Recovered 28 6419.0 (FT) Lost Core 29 6419.9 (FT) Recovered 30 6421.0 (FT) Recovered 31 6421.9 (FT) Recovered 32 6431.0 (FT) Recovered 33 6432.0 (FT) Lost Core 34 6438.0 (FT) Recovered 35 6442.0 (FT) Recovered 36 6474.0 (FT) Lost Core 37 6484.0 (FT) Lost Core 38 6486.0 (FT) Recovered 39 6581.0 (FT) Recovered 40 6584.0 (FT) Lost Core 41 6602.9 (FT) Lost Core 42 6605.0 (FT) Lost Core 43 6608.1 (FT) Lost Core 44 6851.0 (FT) Recovered 45 6872.0 (FT) Recovered 46 7119.0 (FT) Recovered 47 7123.1 (FT) Recovered 48 7175.0 (FT) Recovered 49 7192.0 (FT) Lost Core 50 7425.9 (FT) Lost Core Company: Well: Output DLIS Files DEFAULT MSCT_060LTP FN:45 PRODUCER 21 Oct 2010 05:44 6853.0 FT Elapsed Time (s) Event Summary 1814.4 Coring Stopped 1744.4 1740.8 Marker 51 1740.8 Core 50 at 7425.9(FT) 1447.2 Coring Stopped 1356.4 1352.4 Marker 50 1352.4 Core 49 at 7192.0(FT) 1199.6 Coring Stopped 1100.8 1096.8 Marker 49 1096.8 Core 48 at 7175.0(FT)

942.4 Coring Stopped 836.0 830.4 Marker 48 830.4 Core 47 at 7123.1(FT) 708.8 Coring Stopped 654.8 652.4 Marker 47 652.4 Core 46 at 7119.0(FT) 422.8 Coring Stopped 327.2 322.8 Marker 46 322.8 Core 45 at 6872.0(FT) 165.6 Coring Stopped 56.4 52.8 Marker 45 52.8 Core 44 at 6851.0(FT) Time Mark Every 60 S Hydraulic Motor Current (HMCU) 0 (AMPS) 2 PIP SUMMARY Hydraulic Motor Downhole Voltage (HMDV) 500 (V) 1000 Coring Motor Downhole Voltage (CMDV) 500 (V) 1000 Motor Voltage Window From MSCT_LMVL to MSCT_UMVL Limit Switch From D3T to MSCT_ LSWI Kinematics Pressure (RPPV) 0 (PSIG) 5000 Hydraulic Pump Pressure (HPPR) Coring Motor Linear Position (CMLP) 0 (PSIG) 5000 0 (IN) 2.5 Coring Motor (SSTA) Current (CMCU) 0 ( 10 2.5 (AMPS) 5 Elapsed Time (ETIM) (MN) 32 Coring Motor Pressure (CMPR) Kinematics Piston Position (CMPP) 150 (PSIG) 650 0 (IN) 2.5 31 31 31 31 31 31 31 30 30 Coring Stopped 30 30 30 30 30 29 29 Marker 51 29 29 Core 50 at 7425.9(FT) 29 29 28 28 28

Marker 50 Marker 49 28 28 28 28 27 27 27 27 27 27 27 26 26 26 26 26 26 25 25 25 25 25 25 25 24 24 24 Coring Stopped 24 24 24 24 23 23 23 23 23 23 22 Core 49 at 7192.0(FT) 22 22 22 22 22 22 21 21 21 21 21 21 21 20 20 20 20 Coring Stopped 20 20 19 19 19 19 19 19 19 18 18 Core 48 at 7175.0(FT) 18 18 18 18 18 17 17 17

17 17 17 16 16 16 16 16 16 Coring Stopped 16 15 15 15 15 15 15 15 14 14 14 Marker 48 14 14 Core 47 at 7123.1(FT) 14 13 13 13 13 13 13 13 12 12 12 12 12 Coring Stopped 12 12 11 11 11 Marker 47 11 11 Core 46 at 7119.0(FT) 11 10 10 10 10 10 10 10 9 9 9 9 9 9 9 8 8 8 8 8 8 7 7 7 7 Coring Stopped 7 7 7 6 66

Marker 46 Marker 45 Coring Motor (SSTA) Current (CMCU) 0 ( 10 2.5 (AMPS) 5 Motor Voltage Window From MSCT_LMVL to MSCT_UMVL 6 6 6 6 0 0 0 Elapsed Time (ETIM) (MN) Limit Switch From D3T to MSCT_ LSWI 5 Core 45 at 6872.0(FT) 5 5 5 5 5 4 4 4 4 4 4 4 3 3 3 3 3 3 3 2 2 2 2 2 2 2 1 1 1 1 Core 44 at 6851.0(FT) 1 1 0 Coring Stopped Coring Motor Pressure (CMPR) Kinematics Piston Position (CMPP) 150 (PSIG) 650 0 (IN) 2.5 Hydraulic Pump Pressure (HPPR) Coring Motor Linear Position (CMLP) 0 (PSIG) 5000 0 (IN) 2.5 Coring Motor Downhole Voltage (CMDV) 500 (V) 1000 Kinematics Pressure (RPPV) 0 (PSIG) 5000 Hydraulic Motor Downhole Voltage (HMDV) 500 (V) 1000 Hydraulic Motor Current (HMCU) 0 (AMPS) 2 Time Mark Every 60 S PIP SUMMARY Parameters DLIS Name Description Value MSCT AA: Mechanical Sidewall Coring Tool SOFF Standoff 0 IN

Format: MSCT_PROPRIETARY_ALL_Station Vertical Scale: 1" per 60S Graphics File Created: 21 Oct 2010 05:44 OP System Version: 18C0 147 MSCT AA 18C0 147 SGT E 18C0 147 Output DLIS Files DEFAULT MSCT_060LTP FN:45 PRODUCER 21 Oct 2010 05:44 Company: Well: Output DLIS Files DEFAULT MSCT_059LUP FN:44 PRODUCER 21 Oct 2010 05:39 OP System Version: 18C0 147 MSCT AA 18C0 147 SGT E 18C0 147 Time Mark Every 60 S Gamma Ray (GR) 0 (GAPI) 150 PIP SUMMARY Tension (TENS) 10000 (LBF) 0 7000 7100

Gamma Ray (GR) 0 (GAPI) 150 Tension (TENS) 10000 (LBF) 0 PIP SUMMARY Time Mark Every 60 S Format: MSCT_DepthLog_GR Vertical Scale: 5" per 100 Graphics File Created: 21 Oct 2010 05:39 OP System Version: 18C0 147 MSCT AA 18C0 147 SGT E 18C0 147 Output DLIS Files DEFAULT MSCT_059LUP FN:44 PRODUCER 21 Oct 2010 05:39 Company: Well: Output DLIS Files DEFAULT MSCT_057LTP FN:42 PRODUCER 21 Oct 2010 02:14 6241.0 FT Elapsed Time (s) Event Summary 11690.0 Coring Stopped 11647.2 11642.8 Marker 44 11642.8 Core 43 at 6608.1(FT) 11491.6 Coring Stopped 11439.2 11435.2 Marker 43 11435.2 Core 42 at 6605.0(FT) 11280.0 Coring Stopped 11238.4 11234.4 Marker 42 11234.4 Core 41 at 6602.9(FT) 11046.8 Coring Stopped 10948.8 10944.4 Marker 41 10944.4 Core 40 at 6584.0(FT) 10799.6 Coring Stopped 10695.6 10692.4 Marker 40 10692.4 Core 39 at 6581.0(FT) 10474.8 Coring Stopped 10377.6 10374.0 Marker 39 10374.0 Core 38 at 6486.0(FT) 10222.0 Coring Stopped 10140.8 10136.4 Marker 38 10136.4 Core 37 at 6484.0(FT) 9949.6 Coring Stopped

9842.0 9838.4 Marker 37 9838.4 Core 36 at 6474.0(FT) 9592.0 Coring Stopped 9500.4 9496.8 Marker 36 9496.8 Core 35 at 6442.0(FT) 9217.2 Coring Stopped 9139.6 9135.6 Marker 35 9135.6 Core 34 at 6438.0(FT) 8914.4 Coring Stopped 8808.0 8804.0 Marker 34 8804.0 Core 33 at 6432.0(FT) 8459.6 Coring Stopped 8371.6 8367.6 Marker 33 8367.6 Core 32 at 6431.0(FT) 8211.2 Coring Stopped 8118.0 8114.4 Marker 32 8114.4 Core 31 at 6421.9(FT) 7967.2 Coring Stopped 7834.8 7831.2 Marker 31 7831.2 Core 30 at 6421.0(FT) 7671.6 Coring Stopped 7561.2 7557.2 Marker 30 7557.2 Core 29 at 6419.9(FT) 7413.2 Coring Stopped 7302.0 7298.4 Marker 29 7298.4 Core 28 at 6419.0(FT) 7146.8 Coring Stopped 7039.2 7034.8 Marker 28 7034.8 Core 27 at 6418.0(FT) 6881.2 Coring Stopped 6761.6 6758.0 Marker 27 6758.0 Core 26 at 6416.1(FT) 6620.0 Coring Stopped 6516.4 6512.4 Marker 26 6512.4 Core 25 at 6415.1(FT) 6344.0 Coring Stopped 6249.6 6245.6 Marker 25 6245.6 Core 24 at 6414.1(FT) 6045.2 Coring Stopped 5949.2 5945.2 Marker 24 5945.2 Core 23 at 6411.9(FT)

5820.8 Coring Stopped 5725.2 5721.2 Marker 23 5721.2 Core 22 at 6407.1(FT) 5556.0 Coring Stopped 5451.2 5447.6 Marker 22 5447.6 Core 21 at 6405.1(FT) 5298.8 Coring Stopped 5160.4 5156.4 Marker 21 5156.4 Core 20 at 6403.1(FT) 4984.8 Coring Stopped 4814.8 4810.8 Marker 20 4810.8 Core 19 at 6396.1(FT) 4678.0 Coring Stopped 4578.0 4574.4 Marker 19 4574.4 Core 18 at 6394.9(FT) 4396.0 Coring Stopped 4239.6 4236.4 Marker 18 4236.4 Core 17 at 6387.9(FT) 4032.8 Coring Stopped 3931.2 3927.2 Marker 17 3927.2 Core 16 at 6385.5(FT) 3793.2 Coring Stopped 3707.2 3703.2 Marker 16 3703.2 Core 15 at 6380.9(FT) 3543.2 Coring Stopped 3448.8 3445.2 Marker 15 3445.2 Core 14 at 6375.0(FT) 3320.4 Coring Stopped 3236.0 3231.6 Marker 14 3231.6 Core 13 at 6373.0(FT) 3099.2 Coring Stopped 3012.8 3008.4 Marker 13 3008.4 Core 12 at 6370.9(FT) 2822.0 Coring Stopped 2730.8 2726.8 Marker 12 2726.8 Core 11 at 6360.4(FT) 2572.0 Coring Stopped 2491.6 2487.6 Marker 11 2487.6 Core 10 at 6354.0(FT) 2263.2 Coring Stopped 2187.2 2182.8 Marker 10

2182.8 Core 9 at 6349.1(FT) 2030.8 Coring Stopped 1946.4 1942.4 Marker 9 1942.4 Core 8 at 6327.9(FT) 1796.0 Coring Stopped 1705.2 1701.6 Marker 8 1701.6 Core 7 at 6304.0(FT) 1562.0 Coring Stopped 1404.4 1401.2 Marker 7 1401.2 Core 6 at 6300.5(FT) 1261.6 Coring Stopped 1175.2 1172.0 Marker 6 1172.0 Core 5 at 6299.5(FT) 1012.8 Coring Stopped 900.8 896.4 Marker 5 896.4 Core 4 at 6297.1(FT) 723.2 Coring Stopped 596.4 593.2 Marker 4 593.2 Core 3 at 6263.9(FT) 458.0 Coring Stopped 328.4 324.4 Marker 3 324.4 Core 2 at 6262.0(FT) 176.8 Coring Stopped 64.0 60.0 Marker 2 60.0 Core 1 at 6241.0(FT) 0.0 Coring Stopped Time Mark Every 60 S Hydraulic Motor Current (HMCU) 0 (AMPS) 2 PIP SUMMARY Hydraulic Motor Downhole Voltage (HMDV) 500 (V) 1000 Coring Motor Downhole Voltage (CMDV) 500 (V) 1000 Motor Voltage Window From MSCT_LMVL to MSCT_UMVL Limit Switch From D3T to MSCT_ LSWI Kinematics Pressure (RPPV) 0 (PSIG) 5000 Hydraulic Pump Pressure (HPPR) Coring Motor Linear Position (CMLP) 0 (PSIG) 5000 0 (IN) 2.5 Coring Motor (SSTA) Current (CMCU) 0 ( 10 2.5 (AMPS) 5 Elapsed Time (ETIM) (MN) Coring Motor Pressure (CMPR) Kinematics Piston Position (CMPP) 150 (PSIG) 650 0 (IN) 2.5

198 198 198 198 197 197 197 197 197 197 197 196 196 196 196 196 196 195 195 195 195 195 Coring Stopped 195 195 194 194 Marker 44 194 Core 43 at 6608.1(FT) 194 194 194 194 193 193 193 193 193 193 192 192 192 192 192 192 192 Coring Stopped 191 191 191 191 191 Marker 43 191 Core 42 at 6605.0(FT) 191 190 190 190 190 190 190 189 189 189 189 189 189 189 188 188 188 188 Coring Stopped 188 188 188 Marker 42 187 187 Core 41 at 6602.9(FT)

Marker 41 Marker 40 187 187 187 187 186 186 186 186 186 186 186 185 185 185 185 185 185 185 184 184 184 184 184 184 183 183 183 183 183 183 183 182 Core 40 at 6584.0(FT) 182 182 182 182 182 182 181 181 181 181 181 181 180 180 180 180 180 180 180 179 179 179 179 179 179 179 178 178 Core 39 at 6581.0(FT) 178 178 178 178 177 177 177 177 177 177 177 176 176 176 Coring Stopped Coring Stopped

Marker 39 Marker 38 176 176 176 176 175 175 175 175 175 175 Coring Stopped 174 174 174 174 174 174 174 173 173 173 173 Core 38 at 6486.0(FT) 173 173 173 172 172 172 172 172 172 171 171 171 171 171 171 171 170 Coring Stopped 170 170 170 170 170 170 169 169 169 169 Core 37 at 6484.0(FT) 169 169 168 168 168 168 168 168 168 167 167 167 167 167 167 167 166 166 166 166 166 166 165 165 165 Coring Stopped

165 165 165 165 164 164 164 Marker 37 Core 36 at 6474.0(FT) 164 164 164 164 163 163 163 163 163 163 162 162 162 162 162 162 162 161 161 161 161 161 161 161 160 160 160 160 Coring Stopped 160 160 159 159 159 159 159 159 159 Marker 36 158 158 Core 35 at 6442.0(FT) 158 158 158 158 158 157 157 157 157 157 157 156 156 156 156 156 156 156 155 155 155 155 155 155 155 154 154

Marker 35 Marker 34 154 154 154 154 Coring Stopped 153 153 153 153 153 153 153 152 152 Core 34 at 6438.0(FT) 152 152 152 152 152 151 151 151 151 151 151 150 150 150 150 150 150 150 149 149 149 149 149 149 149 Coring Stopped 148 148 148 148 148 148 147 147 147 147 147 147 Core 33 at 6432.0(FT) 147 146 146 146 146 146 146 146 145 145 145 145 145 145 144 144 144 144 144 144 144 143 143 143

Marker 33 Marker 32 143 143 143 143 142 142 142 142 142 142 141 141 141 141 141 141 141 140 140 140 140 140 140 140 Core 32 at 6431.0(FT) 139 139 139 139 139 139 138 138 138 138 138 138 138 137 137 137 137 137 Coring Stopped 137 137 136 136 136 136 136 136 135 135 Core 31 at 6421.9(FT) 135 135 135 135 135 134 134 134 134 134 134 134 133 133 133 133 Coring Stopped 133 Coring Stopped 133 132 132 132

Marker 31 Marker 30 Marker 29 132 132 132 132 131 131 131 131 131 131 131 Core 30 at 6421.0(FT) 130 130 130 130 130 130 129 129 129 129 129 129 129 128 128 128 128 128 Coring Stopped 128 128 127 127 127 127 127 127 126 126 126 126 Core 29 at 6419.9(FT) 126 126 126 125 125 125 125 125 125 125 124 124 124 124 124 124 Coring Stopped 123 123 123 123 123 123 123 122 122 122 122 122 122 Core 28 at 6419.0(FT) 122 121 121

Marker 28 Marker 27 121 121 121 121 120 120 120 120 120 120 120 119 119 119 Coring Stopped 119 119 119 119 118 118 118 118 118 118 117 117 Core 27 at 6418.0(FT) 117 117 117 117 117 116 116 116 116 116 116 116 115 115 115 115 115 Coring Stopped 115 114 114 114 114 114 114 114 113 113 113 113 113 113 Core 26 at 6416.1(FT) 113 112 112 112 112 112 112 111 111 111 111 111 111 111 110 110 110 Coring Stopped

Marker 26 Marker 25 Marker 24 110 110 110 110 109 109 109 109 109 109 Core 25 at 6415.1(FT) 108 108 108 108 108 108 108 107 107 107 107 107 107 107 106 106 106 106 106 Coring Stopped 106 105 105 105 105 105 105 105 104 104 104 Core 24 at 6414.1(FT) 104 104 104 104 103 103 103 103 103 103 102 102 102 102 102 102 102 101 101 101 101 101 Coring Stopped 101 101 100 100 100 100 100 100 99 99 99 Core 23 at 6411.9(FT)

99 99 99 99 98 98 98 98 98 98 98 97 97 97 Coring Stopped 97 97 97 96 96 96 96 96 96 96 Marker 23 95 Core 22 at 6407.1(FT) 95 95 95 95 95 95 94 94 94 94 94 94 93 93 93 93 93 93 93 Coring Stopped 92 92 92 92 92 92 92 91 91 91 Marker 22 91 91 Core 21 at 6405.1(FT) 91 90 90 90 90 90 90 90 89 89 89 89 89 89 89 88 Coring Stopped 88

Marker 21 88 88 88 88 87 87 87 87 87 87 87 86 86 86 86 Core 20 at 6403.1(FT) 86 86 86 85 85 85 85 85 85 84 84 84 84 84 84 84 83 83 83 Coring Stopped 83 83 83 83 82 82 82 82 82 82 81 81 81 81 81 81 81 80 Marker 20 80 Core 19 at 6396.1(FT) 80 80 80 80 80 79 79 79 79 79 79 78 78 78 78 Coring Stopped 78 78 78 77 77 77

Marker 19 Marker 18 77 77 77 77 76 76 Core 18 at 6394.9(FT) 76 76 76 76 75 75 75 75 75 75 75 74 74 74 74 74 74 74 73 73 Coring Stopped 73 73 73 73 72 72 72 72 72 72 72 71 71 71 71 71 71 Core 17 at 6387.9(FT) 71 70 70 70 70 70 70 69 69 69 69 69 69 69 68 68 68 68 68 68 68 67 67 Coring Stopped 67 67 67 67 66 66 66

66 66 66 Marker 17 66 65 Core 16 at 6385.5(FT) 65 65 65 65 65 65 64 64 64 64 64 64 63 63 Coring Stopped 63 63 63 63 63 62 62 62 62 Marker 16 62 Core 15 at 6380.9(FT) 62 62 61 61 61 61 61 61 60 60 60 60 60 60 60 59 59 59 Coring Stopped 59 59 59 59 58 58 58 58 58 58 Marker 15 57 Core 14 at 6375.0(FT) 57 57 57 57 57 57 56 56 56 56 56 56 56 55 Coring Stopped 55

55 55 55 55 54 54 54 54 Marker 14 54 Core 13 at 6373.0(FT) 54 54 53 53 53 53 53 53 53 52 52 52 52 52 52 Coring Stopped 51 51 51 51 51 51 51 50 Marker 13 50 50 Core 12 at 6370.9(FT) 50 50 50 50 49 49 49 49 49 49 48 48 48 48 48 48 48 47 47 47 Coring Stopped 47 47 47 47 46 46 46 46 46 46 Marker 12 45 Core 11 at 6360.4(FT) 45 45 45 45 45 45 44 44 44

44 44 44 44 43 43 43 43 Coring Stopped 43 43 42 42 42 42 42 42 Marker 11 42 41 Core 10 at 6354.0(FT) 41 41 41 41 41 41 40 40 40 40 40 40 39 39 39 39 39 39 39 38 38 38 38 38 Coring Stopped 38 38 37 37 37 37 37 37 Marker 10 36 Core 9 at 6349.1(FT) 36 36 36 36 36 36 35 35 35 35 35 35 35 34 34 34 34 Coring Stopped 34 34 33 33 33

33 33 33 33 Marker 9 32 Core 8 at 6327.9(FT) 32 32 32 32 32 32 31 31 31 31 31 31 30 30 30 30 Coring Stopped 30 30 30 29 29 29 29 29 29 29 Marker 8 28 Core 7 at 6304.0(FT) 28 28 28 28 28 27 27 27 27 27 27 27 26 26 26 Coring Stopped 26 26 26 26 25 25 25 25 25 25 24 24 24 24 24 24 24 Marker 7 23 Core 6 at 6300.5(FT) 23 23 23 23 23 23 22 22

22 22 22 22 21 21 21 21 Coring Stopped 21 21 21 20 20 20 20 20 20 Marker 6 20 Core 5 at 6299.5(FT) 19 19 19 19 19 19 18 18 18 18 18 18 18 17 17 17 17 Coring Stopped 17 17 17 16 16 16 16 16 16 15 15 15 Marker 5 15 Core 4 at 6297.1(FT) 15 15 15 14 14 14 14 14 14 14 13 13 13 13 13 13 12 12 12 12 Coring Stopped 12 12 12 11 11 11

11 11 11 11 10 10 10 Marker 4 10 Core 3 at 6263.9(FT) 10 10 9 9 9 9 9 9 9 8 8 8 8 8 8 Coring Stopped 8 7 7 7 7 7 7 6 6 6 6 6 6 6 Marker 3 5 Core 2 at 6262.0(FT) 5 5 5 5 5 5 4 4 4 4 4 4 3 3 3 3 Coring Stopped 3 3 3 2 2 2 2 2 2 2 1 1 Marker 2 1 Core 1 at 6241.0(FT) 1 1 1 0 00

Coring Motor (SSTA) Current (CMCU) 0 ( 10 2.5 (AMPS) 5 Motor Voltage Window From MSCT_LMVL to MSCT_UMVL Elapsed Time (ETIM) (MN) Limit Switch From D3T to MSCT_ LSWI 0 Coring Stopped Coring Motor Pressure (CMPR) Kinematics Piston Position (CMPP) 150 (PSIG) 650 0 (IN) 2.5 Hydraulic Pump Pressure (HPPR) Coring Motor Linear Position (CMLP) 0 (PSIG) 5000 0 (IN) 2.5 Coring Motor Downhole Voltage (CMDV) 500 (V) 1000 Kinematics Pressure (RPPV) 0 (PSIG) 5000 Hydraulic Motor Downhole Voltage (HMDV) 500 (V) 1000 Hydraulic Motor Current (HMCU) 0 (AMPS) 2 Time Mark Every 60 S PIP SUMMARY Parameters DLIS Name Description Value MSCT AA: Mechanical Sidewall Coring Tool SOFF Standoff 0 IN Format: MSCT_PROPRIETARY_ALL_Station Vertical Scale: 1" per 60S Graphics File Created: 21 Oct 2010 02:14 OP System Version: 18C0 147 MSCT AA 18C0 147 SGT E 18C0 147 Output DLIS Files DEFAULT MSCT_057LTP FN:42 PRODUCER 21 Oct 2010 02:14 Company: Well: Output DLIS Files DEFAULT MSCT_056LUP FN:41 PRODUCER 21 Oct 2010 02:05 OP System Version: 18C0 147 MSCT AA 18C0 147 SGT E 18C0 147 Time Mark Every 60 S Gamma Ray (GR) 0 (GAPI) 150 PIP SUMMARY Tension (TENS) 10000 (LBF) 0 6200

6300 6400

Gamma Ray (GR) 0 (GAPI) 150 Tension (TENS) 10000 (LBF) 0 PIP SUMMARY Time Mark Every 60 S Format: MSCT_DepthLog_GR Vertical Scale: 5" per 100 Graphics File Created: 21 Oct 2010 02:05 OP System Version: 18C0 147 MSCT AA 18C0 147 SGT E 18C0 147 Output DLIS Files DEFAULT MSCT_056LUP FN:41 PRODUCER 21 Oct 2010 02:05 Company: Well: Field: County: State: Carrizo Oil & Gas Inc State 16 11 9 60H Wildcat Weld CO Mechanical Sidewall Coring Tool