DAILY OPERATIONS PARTNER 30 HOUR REPORT Date:

Transcription

1 Report No: 5 Wellbore Top MD: Today's MD: Prev MD: PBMD: Current Formation Current s: 24-Hr Summary: 24-Hr Forecast: 0 ft Rig: 1576 ft Progress: 1576 ft Rot Today: Avg ROP Today: RUSTLER@ CASINGWELL CONTROL Last Casing: 121ft Next Casing: 1,550ft Last BOP Press Test: Form TestEMW: Supervisor 1: Supervisor 2: Engineer: H&P 639 hr 0.0 fthr Ref Datum: Ground Elev: AFE MDDays: AFE Number: Original 2, ft 9, days #0102 DFS: Daily Cost: Cum Cost: AFE Cost: 2.00 $105,931 $542,605 $2,000,000 Lithology: SANDGYPSUMDOLOMITE CHANGING OUT ORBIT VALVE CEMENT 10 34" CASING, INSTALL WELLHEAD, NIPPLE UP AND TEST BOP'S AND TEST CASING. (RR ROL 4115) RUN IN HOLE WITH BHA #2 AND DRILL AHEAD AS PER PROG. PERSONNEL JON JOHNSON MARCOS GARCIA KARINA YUSTIZ-DIAZ Geologist: SPENCER GUNDERSON Oxy Personnel: 3 Contractor Personnel 25 Total on Site: 28 Size Manufacturer HOOKLOAD & TORQUE Str Wt UpDn: Str Wt Rot: Torq Off Btm: Torq On Btm: Model HYDRAULICS Pump Rate: 0.0 Pump Press: 0 SURVEY DATA (LAST 6) MUD GAS Avg Max Conn: Trip: Backgr: MD Incl Azi TVD N-S E-W VS DLS Build 1, , , , Serial No BIT RECORD IADC Nozzles MD In MD Out I-O-D-L B-G-O-R Rot Cum Rot BIT OPERATING PARAMETERS TODAY Prog Cum Prog ROP Cum ROP WOB RPM minmax minmax TFA P Drop z Vel HHPSI MUD DATA - NOV FluidControl Engineer: Mike Haralson MBT: Sample From: In (Suction Pit) ph: Mud Type: Time MD: Spud Mud 0:01 1,576.0 Pm Pom: Pf Mf: Temp: 8.90 Rheology Temp: 80 Viscosity: PV YP: Gels 10s10m30m: API WL: HTHP WL: Cake API HTHP: Solids Sol Corr: Oil Water: Oil Water % for OWR: Sand: Water Added: Oil Added: LGS: 1.50 VG Meter: 0@0 4@300 6@600 Comments: Chlorides: Ca++ K+: CaCl2: Cl- in water phase: Lime: ES: ECD: n K: Carbonate: Bicarbonate: Form Loss Cum Loss Fluid Disch: Daily Mud Cost: Cum Mud Cost: 8.0 2, $400 $1,600 LAST OR CURRENT BHA Component OD ID Jts Length MUD PRODUCTS Product Number of Units Qty Used Units Transportation 1.00 each :56:00AM Page 1 of 3

2 Report No: 5 OPERATIONS From To Phase Sub Type eration Details 0:00 1: SURC CMT RIGUP P PJSM WITH HALLIBURTON AND RIG UP CEMENT EQUIPMENT 1:00 3: SURC CMT PRIM P PJSM ON CEMENTING. TEST LINES TO 3K, TEST GOOD. PUMP 20 BBLS DYE PPG 6 BBLSMIN. PUMP LEAD CEMENT 217 BBLS (660 PPG 6 BBLSMIN YIELD 1.843, HALLIBURTON LIGHT PREMIUM PLUS 3% SALT (ACCELERATOR) 5 LBM KOL-SEAL LBM POLY-E-FLAKE. PUMP TAIL CEMENT 138 BBLS (580 PPG 6 BBLSMIN YIELD 1.342, PREMIUM PLUS CEMENT 2% CALCIUM CHLORIDE PELLET. DISPLACE 148 BBLS PPG 6 BBLSMIN. SLOW DOWN LAST 20 BBLS TO 3 BBLSMIN. FINAL CIRCULATING PRESSURE 600 PSI, BUMP PLUG W 1100 PSI, HELD FOR 5 MINS, BLEED BACK 1 BBL, FLOAT HELD. HAD FULL RETURNS THROUGH WHOLE JOB, 200 BBLS (600 SKS) CEMENT BACK TO SURFACE. 3:30 4: SURC CMT RIGUP P REVIEWED EJSA AND FLUSH CONDUCTOR PIPE AND FLOW LINE AND RIG DOWN CEMENTING EQUIPMENT 4:30 6: SURC CMT RIGUP P NIPPLE DOWN FLOW LINE, 16'' CONDUCTOR PIPE AND RELATED EQUIPMENT, LIFT 16'' CONDUCTOR PIPE MAKE ROUGH CUT ON CONDUCTOR PIPE AND LAY DOWN SAME 6:00 10: SURC WLHD RWH P MAKING FINAL CUT ON CASING AND CONDUCTOR, INSTALL AND TEST WELLHEAD TO 1463 PSI. TEST GOOD. 10:30 12: SURC BOP RUBOP P PJSM WITH MONAHANS NIPPLE UP CREW AND RIG CREW, NIPPLE UP BOPS, CHOKE LINE AND HYDRAULIC HOSES AND FUNCTION TEST SAME. 12:00 16: SURC BOP TSTBOP P RU MONAHANS TESTING EQUIPMENT AND COMPLETED BOP TESTING, TEST TIW AND DART TO 250 LOW AND 10K HIGH FOR 5 MINS EACH, TEST STAND PIPE, MUD LINES AND TOP DRIVE VALVES TO 250 LOW AND 3500 HIGH FOR 5 MINS EACH, TEST A-SECTION OF WELLHEAD TO 250 LOW AND 5K HIGH FOR 5 MINS EACH, TEST B-SECTION OF WELLHEAD TO 250 LOW AND 10K HIGH FOR 5 MINS EACH. 16:00 16: SURC CSG PIPE P TEST CASING TO 2800 PSI FOR 30 MINUTES. TEST GOOD. 16:30 22: SURC BOP RUBOP P INSTALL ORBIT VALVE ON STACK, RU FLOWLINE TURNBUCKLES AND ALL HOSES TO ROTATING HEAD AND ORBIT VALVE, RU 2" KILL LINE TO STACK, RU TURNBUCKLES TO STACK, DRESS SHAKER AND RU DUMP LINE TO RESERVE PIT, RU HOSES TO CENTER RESERVE PIT, INSTALL MOUSE HOLE. 22:00 23: SURC BOP RPWB P INSTALL WEAR BUSHING. 23:00 0: SURC RIGMT SRVRIG P RIG SERVICE AND RIG DOWN CASING BAIL EXTENT IONS AND ELEVATORS, AND Total Time INSTALL RIG'S BAILS AND ELEVATORS OPERATIONS - NEXT DAY From To eration Details Phase Sub Type 0:00 2: SURC TRIP BHA P REVIEWED EJSA AND PICK UP AND MAKE UP BIT, AND DIRECTIONAL TOOLS, SCRIBE MUD MOTOR, INSTALL MWD TOOL AND (MAKE UP AND BREAK OUT & RE TORQUE EVERY DIRECTIONAL PIECE) SURFACE TEST MWD TOOL (TEST GOOD) PICK UP AND MAKE UP BHA #2 AS FOLLOWS: " PDC DP607, BAKER 2 - PD 675 X6 CA 9 78" Slick CC, SCHLUMBERGER 3-18" UG Stabilizer 4 - Downhole Filter Sub in G rpg, Pathfinder 6 - Float Sub DR 7-14" UG Stabilizer " Mule Shoe 9 - MWD - HDS " UG Stabilizer " NMDC " Crossover " DC (12 joints) " HWDP (30 joints) 2:30 3: SURC TRIP DRILL P PICK UP AND MAKE UP 6.5'' DC AND TRIP IN THE HOLE TO 504' 3:30 6: SURC BOP CHRAMS PT CHANG OUT ROTATING HEAD OBIT VALVE DUE TO NOT CLOSING 100% Total Time :56:00AM Page 2 of 3

3 Report No: 5 Safety Incident? Environ Incident? Incident Comments: No incidents reported last 24 hours. Other Remarks: N N Days since Last RI: Days since Last LTA Weather Comments: DRIVING DIRECTIONS TO BLACKHAWK UL 3112: FROM FT STOCKTON GO EAST ON INTERSTATE I MILES TO EXIT #272, THEN GO SOUTH ON UNIVERSITY ROAD 2.2 MILES, THE ROAD WILL TURN LEFT FOR 5 THENTHS OF A MILE THEN TURN BACK SOUTH FOR 3.4 MILES, TURN WEST 3 MILES THEN TURN RIGHT 3 TENTHS OF A MILE AND TURN NORTH TO LOCATION RIG PHONE: LAT: N LON: W NOTIFIED TRRC OF INTENT TO SPUD, RUN CSG & CEMENT: TALKED TO 11AM ON JOB # 3728 NOTIFIED TRRC OF INTENT TO RUN CSG & CEMENT: RIG ACCEPTED ON FULL RATE ON 11:00HRS 4.5" DRILL PIPE HOURS SINCE LAST INSPECTION " HWDP HOURS SINCE LAST INSPECTION- 0 5" DRILL PIPE HOURS SINCE LAST INSPECTION " HWDP HOURS SINCE LAST INSPECTION " DRILL COLLAR HOURS SINCE LAST INSPECTION- 0 8" DRILL COLLAR HOURS SINCE LAST INSPECTION- 0 UNSAFE ACTS: 14 SAFE ACTS: 0 UNSAFE EQUIPMENT: 0 SWA: 14 NEAR MISSES: 0 JSA's: 16 SAFETY MEETINGS: 14 LOTO's: 0 PERMITS TO WORK: 21 POWER LINE CHECK LIST: PRE SPUD INSPECTION: HAZARD ID's: 0 EP2 OBSERVATIONS: 0 BEST STOP CARD: OBSERVED HAND ATTEMPTING TO CARRY HEAVY LOAD BY HIMSELF, HAND WAS STOPPED AND DANGERS WERE DISCUSSED AND WORK CONTINUED WITHOUT INCIDENT :56:00AM Page 3 of 3

4 Report No: 8 Wellbore Top MD: Today's MD: Prev MD: PBMD: Current Formation Current s: 24-Hr Summary: 24-Hr Forecast: 0 ft Rig: 5585 ft Progress: 4846 ft Rot Today: Avg ROP Today: BRUSHY CANYON@4,620.0 CASINGWELL CONTROL Last Casing: 1,576ft Next Casing: 7,500ft Last BOP Press Test: Form TestEMW: FIT ppg Supervisor 1: Supervisor 2: Engineer: H&P ft 7.50 hr 98.5 fthr DRILLING 9 78'' HOLE TRIP OUT TO REPLACE MOTOR AND BIT, TRIP IN TO BTM AND DRILL TO 5585'. (RR ROL 4115) DRILL INTERMEDIATE HOLE AS PER PROG. PERSONNEL ONAS ZAMORA MARCOS GARCIA BRIAN STOCKHOLM Geologist: SPENCER GUNDERSON Oxy Personnel: 3 Contractor Personnel 19 Total on Site: 22 Size Manufacturer HOOKLOAD & TORQUE kip kip Str Wt UpDn: Str Wt Rot: Torq Off Btm: Torq On Btm: Model Ref Datum: Ground Elev: AFE MDDays: AFE Number: Original 2, ft 9, days #0102 DFS: Daily Cost: Cum Cost: AFE Cost: 5.00 $76,432 $873,532 $2,000,000 Lithology: 65% SILTSTONE, 35% SAND 3.0 ft-lbf 10.0 ft-lbf HYDRAULICS Pump Rate: Pump Press: 3300 SURVEY DATA (LAST 6) MUD GAS Avg Max Conn: Trip: Backgr: MD Incl Azi TVD N-S E-W VS DLS Build 5, , , , , , , , , , , , Serial No BIT RECORD IADC HALLIBURTON MM65DM M423 6x Nozzles MD In MD Out BAKER DP607X M423 7x BT-A I-O-D-L B-G-O-R X-1-CT-BHA BIT OPERATING PARAMETERS TODAY Rot Cum Rot Prog Cum Prog ROP Cum ROP WOB minmax RPM minmax TFA P Drop z Vel HHPSI MUD DATA - NOV FluidControl Engineer: MIKE HARALSON MBT: Sample From: In (Suction Pit) ph: Mud Type: Time MD: Brine-Based 0:01 5,035.0 Pm Pom: Pf Mf: Temp: 9.20 Rheology Temp: 80 Viscosity: PV YP: Gels 10s10m30m: API WL: HTHP WL: Cake API HTHP: Solids Sol Corr: Oil Water: Oil Water % for OWR: Sand: Water Added: Oil Added: LGS: 2.10 VG Meter: 0@0 3@300 5@600 Comments: Chlorides: Ca++ K+: CaCl2: Cl- in water phase: Lime: ES: ECD: n K: Carbonate: Bicarbonate: Form Loss Cum Loss Fluid Disch: Daily Mud Cost: Cum Mud Cost: LAST OR CURRENT BHA BHA No: 3 : 3 MD In: 5035 ft 9.0 Purpose: DRILL INTERMEDIATE MD Out: Component OD ID Jts Length 22,000 HWDP DRILL COLLAR CROSSOVER NON-MAG DRILL COLLAR FLOAT SUB UNDERGAUGE INTEGRAL BLADE STABILIZ MWD TOOL MULESHOE SUB UNDERGAUGE INTEGRAL BLADE STABILIZ ROTARY STEERABLE MOTOR PDC BIT $400 $2,400 Total Length: 1, ft Wt below Jars: MUD PRODUCTS Product Number of Units Qty Used Units Barite 10 lb NOV Salt Gel 5 lb Soda Ash 5 bbl 2 Transportation 1.00 each :26:07AM Page 1 of 3

5 Report No: 8 OPERATIONS From To Phase Sub Type eration Details 0:00 3: INDR DRILL MTRVER P DRILL 9 78" INTERMEDIATE HOLE FROM 4,846' - TO 5,035' = 189 (AT 44 FPH AVG ROP) USING 525 GPM, 2825 PSI ON BTM, 2025 PSI OFF BTM, 60 SRPM, 147 MRPM = 207 BRPM, 30 WOB, 12K TRQ ON BTM, 3K OFF BTM, PU 178, SO 171, ROT :30 4: INDR CIRC CNDHOL PT CIRCULATE HOLE CLEAN TO TRIP OUT OF THE HOLE DUE TO EXCESS OF DIFF. PRESSURE AFTER ATTEMPTING TO DRILL WITH OUT SUCCESS DECISION WAS MADE TO TRIP OUT OF THE HOLE 4:30 6: INDR TRIP DRILL PT CHECK FOR FLOW (NO FLOW) PUMP A SLUG AND TRIP OF THE HOLE TO 2661' MONITORING WELL ON TRIP TANKS. WELL TAKING PROPER FILLS 6:00 6: INDR TRIP DRILL PT PJSM WITH CREW AND TOOH FROM 2661' TO 1550'. 6:30 7: INDR BOP CHRAMS PT PULL ROTATING HEAD AND INSTALL TRIP NIPPLE. 7:00 8: INDR TRIP DRILL PT TOOH FROM 1550' TO DIRECTIONAL TOOLS 8:00 8: INDR SAFE PJSM PT PJSM WITH CREW AND SCHLUMBERGER ON LAYING DIRECTIONAL TOOLS. 8:30 10: INDR TRIP PULD PT BREAK OUT BIT, PULL AND LAY DOWN MWD TOOL, STAB, MOTOR, STRAP AND PICK UP NEW MOTOR. IODL 1 2 BT A BGOR X 1 CT BHA 10:00 14: INDR TRIP DRILL PT STRAP CALIPER PICK UP AND MAKE UP NEW BIT AND DIRECTIONAL TOOLS, SCRIBE MUD MOTOR INSTALL MWD TOOL, AND TEST SAME 14:00 15: INDR TRIP DRILL PT REVIEWED EJSA AND TRIP IN THE HOLE TO 1,765' MONITORING WELL ON TRIP TANKS, WELL GIVING PROPER DISPLACEMENTS 15:30 16: INDR BOP CHRAMS PT REVIEWED EJSA AND PULL TRIP NIPPLE AND INSTALL ROTATING HEAD ELEMENT 16:00 18: INDR TRIP DRILL PT REVIEWED EJSA AND TRIP IN THE HOLE TO BOTTOM MONITORING WELL ON TRIP TANKS, WELL GIVING PROPER DISPLACEMENTS. 18:00 19: INDR CIRC CNDHOL PT DOWN LINK MWD TOOL AND WASH TO BOTTOM FROM 4989' TO 5035'.. 19:00 20: INDR DRILL MTRVER P DRILL 9 78" INTERMEDIATE HOLE FROM 5035' - TO 5175' = 140 (AT 140 FPH AVG ROP) USING 525 GPM, 3300 PSI ON BTM, 2300 PSI OFF BTM, 50 SRPM, 147 MRPM = 197 BRPM, 35 WOB, 12K TRQ ON BTM, 3K OFF BTM, PU 180, SO 176, ROT :00 21: INDR CIRC CNDHOL P LOST ALL RETURNS AT 5175' (450 BBLS). PUMPED 40 BBL LCM PILL AT 30 LBBBL AT 450 GPM, FOLLOWED BY 30 BBL 9.2 PPG MUD SURFACE TO SURFACE AND GOT RETURNS, PUMPED ANOTHER 40 BBL LCM PILL AT 30 LBBBL AT 450 GPM. RE-ESTABLISHED FULL CIRCULATION. 21:00 0: INDR DRILL MTRVER P DRILL 9 78" INTERMEDIATE HOLE FROM 5175' - TO 5585' = 410 (AT 137 FPH AVG ROP) USING 525 GPM, 3300 PSI ON BTM, 2350 PSI OFF BTM, 50 SRPM, 147 MRPM = 197 BRPM, 35 WOB, 12K TRQ ON BTM, 3K OFF BTM, PU 189, SO 182, ROT 183. Total Time OPERATIONS - NEXT DAY From To eration Details Phase Sub Type 0:00 4: INDR DRILL MTRVER P DRILL 9 78" INTERMEDIATE HOLE FROM 5,585' - TO 6,053' = 468 (AT 177 FPH AVG ROP) USING 525 GPM, 3300 PSI ON BTM, 2350 PSI OFF BTM, 50 SRPM, 147 MRPM = 197 BRPM, 45 WOB, 12K TRQ ON BTM, 3K OFF BTM, PU 189, SO 182, ROT :00 6: INDR DRILL MTRVER P DRILL 9 78" INTERMEDIATE HOLE FROM 6,053' - TO 6,214' = 161 (AT 80.5 FPH AVG ROP) USING 525 GPM, 3300 PSI ON BTM, 2350 PSI OFF BTM, 50 SRPM, 147 MRPM = 197 BRPM, 45 WOB, 12K TRQ ON BTM, 3K OFF BTM, PU 196, SO 191, ROT 195. Total Time 6.00 Safety Incident? N Environ Incident? Incident Comments: No incidents reported last 24 hours. N Days since Last RI: Days since Last LTA Weather Comments: :26:07AM Page 2 of 3

6 Report No: 8 Other Remarks: DRIVING DIRECTIONS TO BLACKHAWK UL 3112: FROM FT STOCKTON GO EAST ON INTERSTATE I MILES TO EXIT #272, THEN GO SOUTH ON UNIVERSITY ROAD 2.2 MILES, THE ROAD WILL TURN LEFT FOR 5 THENTHS OF A MILE THEN TURN BACK SOUTH FOR 3.4 MILES, TURN WEST 3 MILES THEN TURN RIGHT 3 TENTHS OF A MILE AND TURN NORTH TO LOCATION RIG PHONE: LAT: N LON: W NOTIFIED TRRC OF INTENT TO SPUD, RUN CSG & CEMENT: TALKED TO 11AM ON JOB # 3728 NOTIFIED TRRC OF INTENT TO RUN CSG & CEMENT: RIG ACCEPTED ON FULL RATE ON 11:00HRS 4.5" DRILL PIPE HOURS SINCE LAST INSPECTION " HWDP HOURS SINCE LAST INSPECTION- 0 5" DRILL PIPE HOURS SINCE LAST INSPECTION " HWDP HOURS SINCE LAST INSPECTION " DRILL COLLAR HOURS SINCE LAST INSPECTION- 0 8" DRILL COLLAR HOURS SINCE LAST INSPECTION- 0 UNSAFE ACTS: 12 SAFE ACTS: 0 UNSAFE EQUIPMENT: 0 SWA: 12 NEAR MISSES: 0 JSA's: 14 SAFETY MEETINGS: 11 LOTO's: 0 PERMITS TO WORK: 19 POWER LINE CHECK LIST: PRE SPUD INSPECTION: HAZARD ID's: 0 EP2 OBSERVATIONS: 0 BEST STOP CARD: OBSERVED HAND MIXING CHEMICALS WITHOUT RESPIRATOR, WORK WAS STOPPED AND DANGERS WERE DISCUSSED AND WORK CONTINUED WITHOUT INCIDENT :26:07AM Page 3 of 3

7 Report No: 9 Wellbore Top MD: Today's MD: Prev MD: PBMD: Current Formation Current s: 24-Hr Summary: 24-Hr Forecast: Last Casing: Next Casing: Last BOP Press Test: Form TestEMW: Supervisor 1: Supervisor 2: CASINGWELL CONTROL PERSONNEL ONAS ZAMORA MARCOS GARCIA BRIAN STOCKHOLM Geologist: SPENCER GUNDERSON Oxy Personnel: 3 Contractor Personnel 19 Total on Site: 22 Rig: Progress: Rot Today: Avg ROP Today: HOOKLOAD & TORQUE kip kip Str Wt UpDn: Str Wt Rot: Torq Off Btm: Torq On Btm: MD Incl Ref Datum: Ground Elev: AFE MDDays: AFE Number: Lithology: Azi HYDRAULICS 0.0 Pump Rate: Pump Press: 0 TVD SURVEY DATA (LAST 6) N-S days E-W DFS: Daily Cost: Cum Cost: AFE Cost: MUD GAS Avg Max Conn: Trip: Backgr: VS DLS Build BIT RECORD Size Manufacturer Model Serial No IADC Nozzles MD In MD Out I-O-D-L B-G-O-R Rot Cum Rot BIT OPERATING PARAMETERS TODAY Prog Cum Prog ROP Cum ROP WOB RPM minmax minmax TFA P Drop z Vel HHPSI Engineer: Sample From: Mud Type: Time MD: Temp: Rheology Temp: Viscosity: PV YP: Gels 10s10m30m: API WL: HTHP WL: Cake API HTHP: Solids Sol Corr: Oil Water: Oil Water % for OWR: Sand: Water Added: Oil Added: LGS: VG Meter: Comments: MUD DATA - MBT: ph: Pm Pom: Pf Mf: Chlorides: Ca++ K+: CaCl2: Cl- in water phase: Lime: ES: ECD: n K: Carbonate: Bicarbonate: Form Loss Cum Loss Fluid Disch: Daily Mud Cost: Cum Mud Cost: $0 $3,200 LAST OR CURRENT BHA Component OD ID Jts Length MUD PRODUCTS Product Number of Units Qty Used Units Barite 10 lb Drilling Paper 4 lb 6.00 Fiber Plug 6 lb 6.00 Fiber Seal 4 lb NOV Carb Coarse 5 lb 1 NOV Carb Medium 5 lb NOV Salt Gel 5 lb Nut Plug Medium 5 lb Soda Ash 5 bbl :58:32AM Page 1 of 3

8 Report No: 9 OPERATIONS From To Phase Sub Type eration Details 0:00 4: INDR DRILL MTRVER P DRILL 9 78" INTERMEDIATE HOLE FROM 5,585' - TO 6,053' = 468 (AT 177 FPH AVG ROP) USING 525 GPM, 3300 PSI ON BTM, 2350 PSI OFF BTM, 50 SRPM, 147 MRPM = 197 BRPM, 45 WOB, 12K TRQ ON BTM, 3K OFF BTM, PU 189, SO 182, ROT :00 6: INDR DRILL MTRVER P DRILL 9 78" INTERMEDIATE HOLE FROM 6,053' - TO 6,214' = 161 (AT 80.5 FPH AVG ROP) USING 525 GPM, 3300 PSI ON BTM, 2350 PSI OFF BTM, 50 SRPM, 147 MRPM = 197 BRPM, 45 WOB, 12K TRQ ON BTM, 3K OFF BTM, PU 196, SO 191, ROT :00 10: INDR DRILL MTRVER P DRILL 9 78" INTERMEDIATE HOLE FROM 6,214' - TO 6,402' = 188 (AT 47 FPH AVG ROP) USING 525 GPM, 3300 PSI ON BTM, 2350 PSI OFF BTM, 50 SRPM, 147 MRPM = 197 BRPM, 45 WOB, 12K TRQ ON BTM, 3K OFF BTM, PU 196, SO 191, ROT :00 10: INDR RIGMT SRVRIG P RIG SERVICE 10:30 14: INDR DRILL MTRVER P DRILL 9 78" INTERMEDIATE HOLE FROM 6,402' - TO 6,513' =110 (AT 27.5 FPH AVG ROP) USING 525 GPM, 3300 PSI ON BTM, 2350 PSI OFF BTM, 50 SRPM, 147 MRPM = 197 BRPM, 45 WOB, 12K TRQ ON BTM, 3K OFF BTM, PU 196, SO 191, ROT :30 16: INDR DRILL MTRVER P DRILL 9 78" INTERMEDIATE HOLE FROM 6,513' - TO 6,548' =65 (AT 23.3 FPH AVG ROP) USING 525 GPM, 3300 PSI ON BTM, 2350 PSI OFF BTM, 50 SRPM, 147 MRPM = 197 BRPM, 45 WOB, 12K TRQ ON BTM, 3K OFF BTM, PU 196, SO , ROT :00 17: INDR CIRC CNDHOL PT CIRCULATE HOLE CLEAN TO TRIP OUT OF THE HOLE DUE TO LOSS OF ROP, AFTER ATTEMPTING TO DRILL WITH OUT SUCCESS DECISION WAS MADE TO TRIP OUT OF THE HOLE 17:30 18: INDR TRIP DRILL PT REVIEWED EJSA, CHECK FOR FLOW (NO FLOW) PUMP SLUG AND TRIP OUT OF THE HOLE MONITORING WELL ON TRIP TANKS, WELL TAKING PROPER FILLS TO 5,930' 18:00 23: INDR TRIP DRILL PT FINISH TRIPPING OUT OF THE HOLE TO BIT, MONITORING WELL ON TRIP TANKS, WELL TAKING PROPER FILLS 23:00 0: INDR TRIP BHA PT DRAIN MUD MOTOR BREAK OUT BIT AND PULL MWD TOOL Total Time OPERATIONS - NEXT DAY From To eration Details Phase Sub Type 0:00 1: INDR TRIP BHA PT DIAL DOWN MUD MOTOR FROM 1.5º TO 1.15º SCRIBE SAME, MAKE UP BIT, INSTALL AND SURFACE TEST MWD TOOL (TEST GOOD) 1:30 4: INDR TRIP DRILL PT REVIEWED EJSA AND TRIP IN THE HOLE TO 6,100' MONITORING WELL ON TRIP TANKS, WELL GIVING PROPER DISPLACEMENTS 4:00 4: INDR BOP CHRAMS PT PULL TRIP NIPPLE AND INSTALL ROTATING HEAD ELEMENT 4:30 5: INDR TRIP DRILL PT FINISH TRIPPING IN THE HOLE, WASH LAST STAND DOWN AT 525GPM AND 50 RPM 5:00 6: INDR DRILL SLDDIR P SLIDE DRILL 9 78" INTERMEDIATE HOLE FROM 6,548' - TO 6,565' =17 (AT 17 FPH AVG Total Time 6.00 Safety Incident? N Environ Incident? Incident Comments: No incidents reported last 24 hours. N Days since Last RI: Days since Last LTA ROP) USING 525 GPM, 2500 PSI ON BTM, 2250 PSI OFF BTM, 0 SRPM, 147 MRPM = 147 BRPM, 15 WOB, 0K TRQ ON BTM, 0K OFF BTM, PU 197, SO 192, ROT Weather Comments: :58:32AM Page 2 of 3

9 Report No: 9 Other Remarks: DRIVING DIRECTIONS TO BLACKHAWK UL 3112: FROM FT STOCKTON GO EAST ON INTERSTATE I MILES TO EXIT #272, THEN GO SOUTH ON UNIVERSITY ROAD 2.2 MILES, THE ROAD WILL TURN LEFT FOR 5 THENTHS OF A MILE THEN TURN BACK SOUTH FOR 3.4 MILES, TURN WEST 3 MILES THEN TURN RIGHT 3 TENTHS OF A MILE AND TURN NORTH TO LOCATION RIG PHONE: LAT: N LON: W NOTIFIED TRRC OF INTENT TO SPUD, RUN CSG & CEMENT: TALKED TO 11AM ON JOB # 3728 NOTIFIED TRRC OF INTENT TO RUN CSG & CEMENT: RIG ACCEPTED ON FULL RATE ON 11:00HRS 4.5" DRILL PIPE HOURS SINCE LAST INSPECTION " HWDP HOURS SINCE LAST INSPECTION- 0 5" DRILL PIPE HOURS SINCE LAST INSPECTION " HWDP HOURS SINCE LAST INSPECTION " DRILL COLLAR HOURS SINCE LAST INSPECTION- 0 8" DRILL COLLAR HOURS SINCE LAST INSPECTION- 0 UNSAFE ACTS: 12 SAFE ACTS: 0 UNSAFE EQUIPMENT: 0 SWA: 2 NEAR MISSES: 0 JSA's: 15 SAFETY MEETINGS: 12 LOTO's: 0 PERMITS TO WORK: 17 POWER LINE CHECK LIST: PRE SPUD INSPECTION: HAZARD ID's: 0 EP2 OBSERVATIONS: 0 BEST STOP CARD: OBSERVED HAND WORKING UNDER SUSPENDED LOAD WHILE PULLING ROTATING HEAD ELEMENT, WORK WAS STOPPED AND DANGERS WERE DISCUSSED AND WORK CONTINUED WITHOUT INCIDENT :58:32AM Page 3 of 3

10 Report No: 10 Wellbore Top MD: Today's MD: Prev MD: PBMD: Current Formation Current s: 24-Hr Summary: 24-Hr Forecast: 0 ft Rig: 7409 ft Progress: 6548 ft Rot Today: Avg ROP Today: BRUSHY CANYON@4,620.0 CASINGWELL CONTROL Last Casing: 121ft Next Casing: 1,550ft Last BOP Press Test: Form TestEMW: Supervisor 1: Supervisor 2: Engineer: PERSONNEL ONAS ZAMORA DANIEL COOK BRIAN STOCKHOLM Geologist: SPENCER GUNDERSON Oxy Personnel: 3 Contractor Personnel 19 Total on Site: 22 Size Manufacturer H&P ft 0.0 fthr HOOKLOAD & TORQUE Str Wt UpDn: Str Wt Rot: Torq Off Btm: Torq On Btm: Model Ref Datum: Ground Elev: AFE MDDays: AFE Number: Lithology: HYDRAULICS Pump Rate: 0.0 Pump Press: 0 Original 2, ft 9, days #0102 DFS: Daily Cost: Cum Cost: AFE Cost: 7.00 $66,015 $1,002,744 $2,200,000 SURVEY DATA (LAST 6) MUD GAS Avg Max Conn: Trip: Backgr: MD Incl Azi TVD N-S E-W VS DLS Build 1, , , , Serial No BIT RECORD IADC Nozzles MD In MD Out I-O-D-L B-G-O-R Rot Cum Rot BIT OPERATING PARAMETERS TODAY Prog Cum Prog ROP Cum ROP WOB RPM minmax minmax TFA P Drop z Vel HHPSI MUD DATA - NOV FluidControl Engineer: SCOTT CALLAIS MBT: Sample From: In (Suction Pit) ph: Mud Type: Time MD: Brine-Based 0:01 7,280.0 Pm Pom: Pf Mf: Temp: Rheology Temp: Viscosity: PV YP: Gels 10s10m30m: API WL: HTHP WL: Cake API HTHP: Solids Sol Corr: Oil Water: Oil Water % for OWR: Sand: Water Added: Oil Added: LGS: 3.00 VG Meter: Comments: Chlorides: Ca++ K+: CaCl2: Cl- in water phase: Lime: ES: ECD: n K: Carbonate: Bicarbonate: Form Loss Cum Loss Fluid Disch: Daily Mud Cost: Cum Mud Cost: 1@3 1@6 1@100 2@200 3@300 5@600 CHANGE BIT. TIH. DRILLING AT REPORT TIME , $675 $7,817 LAST OR CURRENT BHA Component OD ID Jts Length MUD PRODUCTS Product Number of Units Qty Used Units NOV Carb Coarse 5 lb 4.00 NOV Carb Medium 5 lb 4.00 NOV Salt Gel 5 lb Nut Plug Medium 5 lb Soda Ash 5 bbl :16:47AM Page 1 of 2

11 Report No: 10 OPERATIONS From To Phase Sub Type eration Details 0:00 1: INDR TRIP BHA PT DIAL DOWN MUD MOTOR FROM 1.5º TO 1.15º SCRIBE SAME, MAKE UP BIT, INSTALL AND SURFACE TEST MWD TOOL (TEST GOOD) 1:30 4: INDR TRIP DRILL PT REVIEWED EJSA AND TRIP IN THE HOLE TO 6,100' MONITORING WELL ON TRIP TANKS, WELL GIVING PROPER DISPLACEMENTS 4:00 4: INDR BOP CHRAMS PT PULL TRIP NIPPLE AND INSTALL ROTATING HEAD ELEMENT 4:30 5: INDR TRIP DRILL PT FINISH TRIPPING IN THE HOLE, WASH LAST STAND DOWN AT 525GPM AND 50 RPM 5:00 6: INDR DRILL SLDDIR P ROTATE & SLIDE DRILL 9 78" INTERMEDIATE HOLE FROM 6,548' - TO 6,565' =17 (AT 17 FPH AVG ROP) USING 525 GPM, 2500 PSI ON BTM, 2250 PSI OFF BTM, 0 SRPM, 147 MRPM = 147 BRPM, 15 WOB, 0K TRQ ON BTM, 0K OFF BTM, PU 197, SO 192, ROT :00 6: INDR DRILL MTRVER P ROTARY DRILL F6,565' T6610' (45'@ 90 FPH) USING 530 GPM, 2700 PSI ON BTM, 2250 PSI OFF BTM, 45 SRPM, 148 MRPM, TRPM 193, WOB, TRQ ONOFF BOTT= 9K 4K, PU 197, SO 192, ROT :30 7: INDR DRILL MTRVER P SLIDE F 6610' ' (30'@ 30 FPH) USING 530 GPM, 2700 PSI ON BTM, 2250 PSI OFF BTM, 0 SRPM, 148 MRPM, 15-20K WOB 7:30 11: INDR DRILL MTRVER P ROTARY DRILL F6,640' T6874' (234'@ 66.8 FPH) USING 530 GPM, 2700 PSI ON BTM, 2250 PSI OFF BTM, 45 SRPM, 148 MRPM, TRPM 193, WOB, TRQ ONOFF BOTT= 9K 4K, PU 197, SO 192, ROT :00 12: INDR RIGMT SRVRIG P SERVICE RIG & TOP DRIVE, H&P MECHANIC SERVICED BRAKES ON DRAWORKS & GREASED COUPLINGS 12:00 13: INDR DRILL MTRVER P ROTARY DRILL F6874' T6980' (106'@ 70.6 FPH) USING 530 GPM, 2700 PSI ON BTM, 2250 PSI OFF BTM, 40 SRPM, 148 MRPM, TRPM 193, WOB, TRQ ONOFF BOTT= 9K 4K, PU 197, SO 192, ROT :30 15: INDR DRILL MTRVER P SLIDE F 6980' (24'@ 16 FPH) USING 530 GPM, 2700 PSI ON BTM, 2250 PSI OFF BTM, 0 SRPM, 148 MRPM, 15-20K WOB 15:00 16: INDR DRILL MTRVER P ROTARY DRILL F7004' ' (61'@ 61 FPH) USING 530 GPM, 2700 PSI ON BTM, 2250 PSI OFF BTM, 40 SRPM, 148 MRPM, TRPM 193, WOB, TRQ ONOFF BOTT= 9K 4K, PU 197, SO 192, ROT ', 3.34 INC, AZI 16:00 18: INDR DRILL MTRVER P SLIDE F 7065' (61'@ 30.5 FPH) USING 530 GPM, 2700 PSI ON BTM, 2250 PSI OFF BTM, 0 SRPM, 148 MRPM, 15-20K WOB 18:00 21: INDR DRILL MTRVER P ROTATE & SLIDE DRILL F7126' T7346' (220'@ FPH) USING 530 GPM, 2700 PSI ON BTM, 2250 PSI OFF BTM, 40 SRPM, 148 MRPM, TRPM 193, WOB, TRQ ONOFF BOTT= 9K 4K, PU 197, SO 192, ROT ', 3.08 INC, AZI 21:00 0: INDR DRILL MTRVER P SLIDE F 7346' (63'@ 21 FPH) USING 530 GPM, 2500 PSI ON BTM, 2250 PSI Total Time OFF BTM, 0 SRPM, 148 MRPM, 15-20K WOB OPERATIONS - NEXT DAY From To eration Details Phase Sub Type 21INDR DRILL P Total Time Safety Incident? N Environ Incident? Incident Comments: No incidents reported last 24 hours. N Days since Last RI: Days since Last LTA Weather Comments: Other Remarks: :16:47AM Page 2 of 2

12 Report No: 11 Wellbore Top MD: Today's MD: Prev MD: PBMD: Current Formation Current s: 24-Hr Summary: 24-Hr Forecast: 0 ft Rig: 7518 ft Progress: 7409 ft Rot Today: Avg ROP Today: MIDDLE LEONARD@4,620.0 CASINGWELL CONTROL Last Casing: 121ft Next Casing: 1,550ft Last BOP Press Test: Form TestEMW: Supervisor 1: Supervisor 2: Engineer: H&P ft 2.50 hr 43.6 fthr Ref Datum: Ground Elev: AFE MDDays: AFE Number: Original 2, ft 9, days #0102 DFS: Daily Cost: Cum Cost: AFE Cost: 8.00 $59,177 $1,113,417 $2,200,000 Lithology: 90% SHALE, 10% LIMESTONE PUMPING CEMENT DRILL 9 58" INT HOLE TO 7518FT, CIRC, TOOH, LD BHA, MU SHOE, RUN CSG TO 6500FT, LOST RETURNS, BUILD LCM PILL (RR ROL 4215) CEMENT INT CSG, SET & TEST PACK OFF, TEST CSG & BOP RAMS W 4" DP, PICK UP BHA PERSONNEL ONAS ZAMORA DANIEL COOK BRIAN STOCKHOLM Geologist: SPENCER GUNDERSON Oxy Personnel: 3 Contractor Personnel 19 Total on Site: 22 Size Manufacturer HOOKLOAD & TORQUE kip kip Str Wt UpDn: Str Wt Rot: Torq Off Btm: Torq On Btm: Model HYDRAULICS Pump Rate: Pump Press: 2700 SURVEY DATA (LAST 6) MUD GAS Avg Max Conn: Trip: Backgr: MD Incl Azi TVD N-S E-W VS DLS Build 7, , , , , , , , , , , , Serial No BIT RECORD IADC Nozzles MD In MD Out HALLIBURTON MM65DM M423 7x BT-N I-O-D-L B-G-O-R X-1-CT-TD BIT OPERATING PARAMETERS TODAY Rot Cum Rot Prog Cum Prog ROP Cum ROP WOB minmax RPM minmax TFA P Drop z Vel HHPSI MUD DATA - NOV FluidControl Engineer: SCOTT CALLAIS MBT: Sample From: ph: Mud Type: Time MD: Brine-Based 0:01 7,518.0 Pm Pom: Pf Mf: Temp: Rheology Temp: Viscosity: PV YP: Gels 10s10m30m: API WL: HTHP WL: Cake API HTHP: Solids Sol Corr: Oil Water: Oil Water % for OWR: Sand: Water Added: Oil Added: LGS: 3.00 VG Meter: Comments: MUD PRODUCTS Chlorides: Ca++ K+: CaCl2: Cl- in water phase: Lime: ES: ECD: n K: Carbonate: Bicarbonate: Form Loss Cum Loss Fluid Disch: Daily Mud Cost: Cum Mud Cost: 1@3 1@6 1@100 2@200 3@300 5@600 DRILL TO 7518'. CIRC HOLOE CLEAN. POOH. RUNNING CASING AT REPORT TIME. Product Number of Units Qty Used Units Barite 2,00 bbl 4.00 Lime 5 lb 7.00 NOV Salt Gel 5 lb 2 Nut Plug Medium 5 lb LAST OR CURRENT BHA BHA No: 4 : 4 MD In: 6548 ft 9.8 Purpose: DRILL INTER HOLE MD Out: 7518 ft Component OD ID Jts Length ,500 HWDP DRILL COLLAR CROSSOVER NON-MAG DRILL COLLAR FLOAT SUB UNDERGAUGE INTEGRAL BLADE STABILIZ MWD TOOL MULESHOE SUB UNDERGAUGE INTEGRAL BLADE STABILIZ ROTARY STEERABLE MOTOR PDC BIT $1,521 $12,377 Total Length: 1, ft Wt below Jars: :02:44AM Page 1 of 4

13 Report No: 11 OPERATIONS From To Phase Sub Type eration Details 0:00 1: INDR DRILL MTRVER P ROTATE & SLIDE DRILL F7409' T7470' (61'@ 61 FPH) USING 530 GPM, 2700 PSI ON BTM, 2250 PSI OFF BTM, 40 SRPM, 148 MRPM, TRPM 193, WOB, TRQ ONOFF BOTT= 9K 4K, PU 197, SO 192, ROT 195. MUD WEIGHT INOUT :00 1: INDR DRILL MTRVER P TAKE CHECK 7470', 2.64, NOTIFIED DE, FORWARD PLAN TO ROTARY DRILL 20 MORE FT AND TAKE CHECK 7490'. 1:30 2: INDR DRILL MTRVER P ROTARY DRILL F7470' T7490' (20'@ 40 FPH) USING 530 GPM, 2700 PSI ON BTM, 2250 PSI OFF BTM, 40 SRPM, 148 MRPM, TRPM 193, WOB, TRQ ONOFF BOTT= 9K 4K, PU 197, SO 192, ROT 195. MUD WEIGHT INOUT CHECK 7490', 2.46, NOTIFIED DE, FORWARD PLAN TO ROTARY DRILL TO TD. 2:00 2: INDR DRILL MTRVER P ROTARY DRILL TO SECTION TOTAL DEPTH F7490' T7518' (28'@ 56 FPH) USING 530 GPM, 2700 PSI ON BTM, 2250 PSI OFF BTM, 40 SRPM, 148 MRPM, TRPM 193, WOB, TRQ ONOFF BOTT= 9K 4K, PU 197, SO 192, ROT 195. MUD WEIGHT INOUT :30 3: INRC CIRC CNDHOL P PUMP HIGH VIS SWEEP WITH NUT 530 GPM, 40 RPM, RECIPROCATE PIPE, FLUID CALIPER CALCULATION <5% WASHOUT, SHAKERS CLEAN 3:30 4: INRC TRIP BHA P LINE UP TO TRIP TANKS, FLOW CHECK, NO FLOW, PREPARE TO TOOH 4:00 6: INRC TRIP BHA P TOOH FOR TD F 7518FT TO 3500FT, <15K DRAG, HOLE TAKING PROPER FILL 6:00 7: INRC TRIP DRILL P TRIP OUT OF HOLE F2538' T1400' 7:00 7: INRC TRIP DRILL P RETRIEVE ROTATING HEAD & INSTALL TRIP NIPPLE 7:30 12: INRC TRIP BHA P CONTINUE TRIPPING OUT LAYING DOWN HWTS, DC & DIRECTIONAL TOOLS 12:00 13: INRC TRIP BHA P PULL WEAR BUSHING & CLEAR RIG FLOOR 13:00 14: INRC CSG RIGUP P REVIEW EJSA & RIG UP CASING CREW EQUIPMENT 14:30 22: INRC CSG RUNCSG P MAKE UP SHOE TRACK AND PUMP THROUGH SAME, RIH TO 5900FT AS FOLLOWS: SET DEPTH 1- SHOE 7", BTC (7405') 1-7" CASING, L-80, 26#, BTC 1- FLOAT COLLAR 7" (7459') 8-7" CASING L-80, 26#, BTC (7166' ) 1- CROSSOVER 7" " (7166') 180- JTS 7 58" L-80, 29#, BTC (7163') 1- HANGER 1- LANDING JT FILLING PIPE EVERY 15 JOINTS, HOLE GIVING BACK PROPER DISPLACEMENT 22:30 23: INRC CSG RUNCSG P HOLE NOT GIVING BACK PROPER DISPLACEMENT, SLOWED DOWN TRIP SPEED, RIH TO 6200FT, ZERO DISPLACEMENT COMING BACK 23:00 23: INRC CIRC CNDHOL P PUMP ACROSS BACK SIDE, BACK SIDE FULL SWAGE UP, KICK ON 40 GPM AND STAGE UP TO 115 GPM, ATTEMPT TO SWAB IN RETURNS, REGAINED RETURNS MUD WEIGHT INOUT , DILUTE WITH FRESH WATER 23:30 0: INRC CIRC CNDHOL P BUILD LCM PILL, 20 PPB, 115 GPM AND RECIPROCATE PIPE, SOME SEEPAGE LOSSES OBSERVED Total Time CUT BACK MUD WEIGHT TO 9.2# IN ACTIVE WITH FRESH WATER :02:44AM Page 2 of 4

14 Report No: 11 OPERATIONS - NEXT DAY From To eration Details Phase Sub Type 0:00 1: INRC CIRC CNDHOL P CONTINUE TO CIRCULATE STAGE UP PUMPS TO 230 GPM, SEEPAGE LOSSES OBSERVED, BUILD LCM PILL AND DILUTE MUD IN ACTIVE TO 9.1# WITH FRESH WATER 1:00 2: INRC LCIRC LCM P SPOT 40 BBLS OF 20 PPB LCM OUT OF 230 GPM, SEEPAGE LOSSES OBSERVED, MAINTAIN MUD IN ACTIVE 9.1# 2:00 3: INRC CSG RUNCSG P CONTINUE TO RIH WITH CSG F 6500FT TO 7471FT, PICK UP MANDREL HANGER ASSEMBLY WITH CAMERON TECH, LAND MANDREL IN WELL HEAD NOTE: OBSERVED NO FILL 3:00 4: INRC CIRC CNDHOL P INSTALL CEMENT HEAD AND CIRCULATE 1X BOTTOMS 230 GPM SIMOPS: RIG DOWN CASING CREW, HALLIBURTON DOUBLE CHECKING ALL EQUIP, HOLD PJSM WITH FOR CEMENT JOB 4:30 6: INRC CMT PRIM P LOAD PLUG INTO CEMENT HEAD (DSM WITNESS) PRESSURE TEST LINES TO 6000 PSI, PERFORM INTERMEDIATE CEMENT JOB AS FOLLOWS: PUMP 50 BBLS TUNED 7 BPM FOLLOWED BY 1320 SKS (644 BBLS) OF PREMIUM PLUS C CEMENT, 10.8 PPG, CU FTSK, GALSK, 25% 7 BPM Total Time 6.00 Safety Incident? N Environ Incident? Incident Comments: No incidents reported last 24 hours. N Days since Last RI: Days since Last LTA ******PUMPING 06:00 HRS******** Weather Comments: :02:44AM Page 3 of 4

15 Report No: 11 Other Remarks: DRIVING DIRECTIONS TO BLACKHAWK UL 3112: FROM FT STOCKTON GO EAST ON INTERSTATE I MILES TO EXIT #272, THEN GO SOUTH ON UNIVERSITY ROAD 2.2 MILES, THE ROAD WILL TURN LEFT FOR 5 THENTHS OF A MILE THEN TURN BACK SOUTH FOR 3.4 MILES, TURN WEST 3 MILES THEN TURN RIGHT 3 TENTHS OF A MILE AND TURN NORTH TO LOCATION RIG PHONE: LAT: N LON: W NOTIFIED TRRC OF INTENT TO SPUD, RUN CSG & CEMENT: TALKED TO 11AM ON JOB # 3728 NOTIFIED TRRC OF INTENT TO RUN CSG & CEMENT: SPOKE WITH HRS ON RIG ACCEPTED ON FULL RATE ON 11:00HRS 4.5" DRILL PIPE HOURS SINCE LAST INSPECTION " HWDP HOURS SINCE LAST INSPECTION- 0 5" DRILL PIPE HOURS SINCE LAST INSPECTION " HWDP HOURS SINCE LAST INSPECTION " DRILL COLLAR HOURS SINCE LAST INSPECTION- 0 8" DRILL COLLAR HOURS SINCE LAST INSPECTION- 0 UNSAFE ACTS: 9 SAFE ACTS: 3 UNSAFE EQUIPMENT: 0 SWA: 2 NEAR MISSES: 0 JSA's: 15 SAFETY MEETINGS: 12 LOTO's: 0 PERMITS TO WORK: 8 POWER LINE CHECK LIST: PRE SPUD INSPECTION: HAZARD ID's: 0 EP2 OBSERVATIONS: 0 BEST STOP CARD: OBSERVED NO WHIP CHECK ON HOSE THAT WAS ABOUT TO BE USED, STOPPED THE JOB AND INSTALLED WHIP CHECK :02:44AM Page 4 of 4

16 Event: DEV DRILLING REDHAWK UL UNITED STATES Report No: 14 Wellbore Top MD: Today's MD: Prev MD: PBMD: Current Formation Current s: 24-Hr Summary: 24-Hr Forecast: 0 ft Rig: 7520 ft Progress: 7520 ft Rot Today: Avg ROP Today: L LEONARD@6,928.0 CASINGWELL CONTROL Last Casing: 876ft Next Casing: 7,500ft Last BOP Press Test: Form TestEMW: FIT ppg Supervisor 1: Supervisor 2: Engineer: H&P ft hr 0.0 fthr Ref Datum: Ground Elev: AFE MDDays: AFE Number: Original 3, ft 9, days #0102 DFS: Daily Cost: Cum Cost: AFE Cost: 9.16 $382,946 $1,667,513 $2,000,000 Lithology: 95% SH, 5% LS AT 7480' CEMENT 7" X 7 58" INTERMEDIATE CSG, SET AND TEST PACKOFF, INSTALL WEAR BUSHING, PU AND MU 6 18" BHA, T.I.H. RR ( ) ROL ( ) CONT T.I.H, TEST CSG, DRILL OUT SHOE TRACK, 10' NEW FORM, FIT, DRILL 6 18" PROD HOLE. PERSONNEL MARK BONNER RICHARD IBARRA NATHAN NEAL Geologist: MICHELLE WRY Oxy Personnel: 4 Contractor Personnel 23 Total on Site: 27 Size Manufacturer HOOKLOAD & TORQUE Str Wt UpDn: Str Wt Rot: Torq Off Btm: Torq On Btm: Model HYDRAULICS Pump Rate: 0.0 Pump Press: 0 SURVEY DATA (LAST 6) MUD GAS Avg Max Conn: Trip: Backgr: MD Incl Azi TVD N-S E-W VS DLS Build 7, , , , , , , , , , , , Serial No BIT RECORD IADC SMITH MSI613 JJ0638 M223 6x BAKER DP607X M233 7x Nozzles MD In MD Out I-O-D-L B-G-O-R Rot Cum Rot BIT OPERATING PARAMETERS TODAY Prog Cum Prog ROP Cum ROP WOB RPM minmax minmax TFA P Drop z Vel HHPSI MUD DATA - NOV FluidControl Engineer: Troy Beckert MBT: Sample From: Pit ph: Mud Type: Time MD: Brine-Based 0:01 7,520.0 Pm Pom: Pf Mf: Temp: Rheology Temp: 0 Viscosity: PV YP: Gels 10s10m30m: API WL: HTHP WL: Cake API HTHP: Solids Sol Corr: Oil Water: Oil Water % for OWR: Sand: Water Added: Oil Added: LGS: VG Meter: 0@300 0@600 Comments: report. MUD PRODUCTS Chlorides: Ca++ K+: CaCl2: Cl- in water phase: Lime: ES: ECD: n K: Carbonate: Bicarbonate: Form Loss Cum Loss Fluid Disch: Daily Mud Cost: Cum Mud Cost: Pits were emptied and cleaned. No fluid in pits at time of Product Number of Units Qty Used Units LAST OR CURRENT BHA BHA No: 5 : 5 MD In: 7520 ft 0.0 Purpose: DRILL 6 18" PRODUCTION SECTION MD Out: Component OD ID Jts Length 0 HWDP CROSSOVER NON-MAG DRILL COLLAR UNDERGAUGE INTEGRAL BLADE STABILIZ MWD TOOL UBHO SUB UNDERGAUGE INTEGRAL BLADE STABILIZ POSITIVE DISPLACEMENT MOTOR FILTER SUB RSS (PUSH BIT) PDC BIT $0 $13,194 Total Length: 1, ft Wt below Jars: :06:10AM Page 1 of 3

17 Event: DEV DRILLING REDHAWK UL UNITED STATES Report No: 14 OPERATIONS From To Phase Sub Type eration Details 0:00 2: INRC CSG RUNCSG P LD TWO JNTS, PICK UP AND LAND HANGER AND VERIFY MEASUREMENTS. 2:00 2: INRC CSG RIGUP P RIG DOWN CASING CREW. 2:30 3: INRC CMT RIGUP P PJSM WITH CEMENTERS ON RIGGING UP CEMENT HEAD AND ASSOCIATED EQUIPMENTS. 3:00 4: INRC CIRC CNDHOL P CIRC AND CONDITION HOLE 2 BOTTOMS UP 4:00 6: INRC CMT PRIM P PUMPING CEMENT JOB 7" X 7 58" CSG AT PRESENT TIME 6:00 8: INRC CMT PRIM P CEMENT 7 58" x 7" CASING, TESTED LINES TO 2000 PSI, PUMPED 50 BBL 10 PPG TUNED SPACER SPACER WITH MARKER DYE AT 6 BPM, FOLLOWED BY 693 BBL (1420 SX), 10.8 PPG, 2.74 ft3 YIELD, galsx MIX WATER OF LEAD CEMENT AT 6 BPM. PUMPED 52 BBL (175 SX), 10.8 PPG, 2.74 ft3 YIELD, galsx MIX WATER TAIL CEMENT. WITNESSED DROPING THE PLUG. DISPLACED WITH 341 BBL 10 PPG BRINE AT 4 BPM AND SLOWED TO 3 BPM THE LAST 50 BBL. FINAL LIFT PRESSURE 800 PSI, BUMPED 1320 PSI, HELD 5 MIN, FLOATS HELD BLED BACK 1.5 BBLS, CEMENT TO SURFACE 211 BBL WITH FULL RETURNS THROUGOUT JOB. 8:30 10: INRC CMT RIGUP P RIG DOWN CEMENTERS, FLUSH STACK & SURFACE EQUIPMENT PUMPED SUGAR WATER FROM TRIP TANK THROUGH BOP STACK. 10:00 14: INRC SRFEQ RIGUP PT RAN PACKOFF INTO WELL HEAD AND CONDUCTED SEVERAL FAILED ATTEMPTS TO SET AND TEST PACKOFF TO 5000PSI. REMOVED RUN IN TOOL AND PACKOFF ASSEMBLY AND FLUSHED WELLHEAD WITH WATER. 14:00 15: INRC SRFEQ RIGUP P RE RAN PACKOFF INTO THE WELL HEAD AND SUCCESSFULLY SET AND TESTED PACKOFF TO 5000PSI. 15:00 16: INRC BOP RPWB P INSPECTED WEAR BUSHING AND CONFIRMED DRIFT TO PASS 6 18" BIT. RAN AND SET THE WEAR BUSHING. 16:00 18: INRC SRFEQ RIGUP P CHANGE OUT ROTARY TOOLS FOR 4" XT39 TO INCLUDE SAVER SUB, ELEVATORS, AND TDS DIE BLOCKS. 18:00 22: INRC TRIP BHA P PJSM W H&P, SLB AND OXY DSM ON HANDLING 6 18 BHA AS FOLLOW: 6 18" SMITH PDC BIT MSI613 NOZZLE(6X10) TFA 0.46 PD475 X6AA 6" STB 4.75" FILTER SUB 5 18" MUD MOTOR, 78, 3.8, STRAIGHT FIXED 5.875" STB 14 UG 4.75" UBHO 4.688" MWD MONEL 5.875" STB-14UG 4.75" NM COLLAR 4.75" XO 3 12" IF PIN TO XT39 BOX 4" (30 JNTS) 10 STD OF HWDP SHALLOW TEST MWD TO 900 PSI STAND PIPE PRESSURE TEST GOOD. SAFETY BREAK: HAND PLACEMENT WHILE MAKING CONNECTION. 22:00 0: INRC TRIP DRILL P TRIP IN HOLE W 6 18" VERTICAL RSS MOTOR ASSY. Total Time OPERATIONS - NEXT DAY From To eration Details Phase Sub Type 0:00 2: INRC TRIP DRILL P TRIP IN HOLE F 1,765' T 4,185' W 4", 14#, XT-39 DRILL PIPE, FILLING PIPE EVERY 20 STANDS. 2:30 4: INRC TRIP DRILL P LOAD PIPE RACKS W 4", 14#, XT-39 DRILL PIPE AND STRAP SAME. 4:00 6: INRC TRIP DRILL P TRIP IN HOLE F 4,185' T 6,200' W 4", 14#, XT-39 DRILL PIPE, FILLING PIPE AVERY 20 Total Time 6.00 Safety Incident? N Environ Incident? Incident Comments: No incidents reported last 24 hours. N Days since Last RI: Days since Last LTA STANDS Weather Comments: :06:10AM Page 2 of 3

18 Event: DEV DRILLING REDHAWK UL UNITED STATES Report No: 14 Other Remarks: Directions From Fort Stockton, Texas (Interstate 10 & FM 1053) go east on Interstate 10 for 12.4 miles (Exit #272), then go south on University Road (2.2 Miles) the road will jog left for (5 tenths) of a mile then turn back south and go (3.4 miles) turn right and go West (1.2 miles) turn right and follow road north to location (400 feet)! ODESSA FLIGHT FOR LIFE: LATITUDE: N LONGITUDE: W H&P 620 DSM OFFICE NUMBER: (713) H&P 620 RIG MANAGERS OFFICE: (918) H&P OXY PERMIAN SUPPORT PERSONNEL: ROBERT HOLCOMB - ( ) (DRILLING SUPERINTENDENT) ROGER ALLEN - ( ) (FIELD SUPERINTENDENT) DANNY HOWELL - ( ) (FIELD SUPERINTENDENT) NATHAN NEAL- ( ) (DRILLING ENGINEER) MICHELLE WRY- ( )(GEOLOGIST) DAVID (ED) SCHRIM- ( )(OPS GEOLOGIST) NOTIFIED TRRC OF INTENT TO RUN 10 34" CASING AND CEMENT SAME AT 21: , CONTACT (DOPHENE, OPERATOR #5) NOTIFIED TRRC OF INTENT TO RUN 7" AND 7 58" CASING AND CEMENT SAME AT 04: , CONTACT (AUDRY, OPERATOR #2) UNSAFE ACTS: 12 SAFE ACTS : 00 UNSAFE EQUIPMENT: 00 SWA s: 00 NEAR MISSES: 0 JSA s: 08 SAFETY MEETINGS: 11 LOTO'S: 0 PERMITS TO WORK: 09 FORKLIFT POWER LINE CHECK LIST: PRE SPUDRIG INSPECTION: HAZARD ID s: 0 EP2 OBSERVATIONS: 0 BEST STOP CARD: OBSERVED EMPLOYEE PLACING HAND BETWEEN STUMP AND ST-80, STOP THE JOB AND EXPLAIN PROPER HAND POSITION AND JOB CONTINUE WITHOUT ANY INCIDENTS :06:10AM Page 3 of 3

19 Report No: 13 Wellbore Top MD: Today's MD: Prev MD: PBMD: Current Formation Current s: 24-Hr Summary: 24-Hr Forecast: 0 ft Rig: 7637 ft Progress: 7518 ft Rot Today: Avg ROP Today: MIDDLE LEONARD@7,620.0 CASINGWELL CONTROL Last Casing: 121ft Next Casing: 1,576ft Last BOP Press Test: Form TestEMW: FIT ppg Supervisor 1: Supervisor 2: Engineer: H&P ft 4.50 hr 26.4 fthr Ref Datum: Ground Elev: AFE MDDays: AFE Number: Original 2, ft 9, days #0102 DFS: Daily Cost: Cum Cost: AFE Cost: 1 $167,432 $1,688,493 $2,200,000 Lithology: 60% SHALE, 10% SILT, 30% LIMESTONE PU BHA #5, RIH PU 4" DP, TAG CMT, CONDITION MUD TO 11.0#, CHOKE DRILL, DRILL OUT, 12.8 FIT, DRILL TO 7637FT (RR ROL 4215) ROTARY DRILL 6 18" PRODUCTION HOLE PERSONNEL ONAS ZAMORA DANIEL COOK BRIAN STOCKHOLM Geologist: SPENCER GUNDERSON Oxy Personnel: 2 Contractor Personnel 15 Total on Site: 17 Size Manufacturer HOOKLOAD & TORQUE HYDRAULICS Str Wt UpDn: Pump Rate: Str Wt Rot: Torq Off Btm: 2,000.0 ft-lbf Pump Press: 1300 Torq On Btm: 5,500.0 ft-lbf Model SURVEY DATA (LAST 6) MUD GAS Avg Max Conn: Trip: Backgr: 5 17 MD Incl Azi TVD N-S E-W VS DLS Build 7, , , , , , , , , , , , Serial No BIT RECORD IADC SMITH MSi613 JJ6482 M223 6x Nozzles MD In MD Out I-O-D-L B-G-O-R BIT OPERATING PARAMETERS TODAY Rot Cum Rot Prog Cum Prog ROP Cum ROP WOB minmax RPM minmax TFA P Drop z Vel HHPSI MUD DATA - NOV FluidControl Engineer: scott callais MBT: Sample From: In (Suction Pit) ph: Mud Type: Time MD: Calcium-Based 0:01 7,570.0 Pm Pom: Pf Mf: Temp: Rheology Temp: Viscosity: PV YP: Gels 10s10m30m: API WL: HTHP WL: Cake API HTHP: Solids Sol Corr: Oil Water: Oil Water % for OWR: Sand: Water Added: Oil Added: LGS: Chlorides: Ca++ K+: CaCl2: Cl- in water phase: Lime: ES: ECD: n K: Carbonate: Bicarbonate: Form Loss Cum Loss Fluid Disch: Daily Mud Cost: Cum Mud Cost: VG Meter: 8@3 9@6 14@100 16@200 19@300 26@600 Comments: PU BHA AND DRILL STRING. DRILL OUT CEMENT, AND 10' OF NEW FORMATION. PERFORM FIT. DRILLING AT REPORT TIME. MUD PRODUCTS Product Number of Units Qty Used Units Barite 2,00 bbl Defoam A lb 8.00 Lime 5 lb 5.00 NOV Pac LV 5 lb 5.00 NOV Salt Gel 5 lb XCD Polymer lb 1 LAST OR CURRENT BHA BHA No: 5 : 5 MD In: 7518 ft 10.0 Purpose: DRILL 6 18" PRODUCTION HOLE MD Out: Component OD ID Jts Length ,000 HWDP CROSSOVER FILTER SUB NON-MAG DRILL COLLAR INTEGRAL BLADE STABILIZER MWD TOOL UBHO SUB INTEGRAL BLADE STABILIZER DRILL COLLAR INTEGRAL BLADE STABILIZER PDC BIT $3,594 $23,895 Total Length: 1, ft Wt below Jars: :34:52AM Page 1 of 3

20 Report No: 13 OPERATIONS From To Phase Sub Type 0:00 2: INRC TRIP BHA P PICK UP BHA # 5 AS FOLLOWS: eration Details " PDC BIT (SMITH 6X11'S, SN:JJ6482) 1 - IBS (18" UG) " PONY COLLAR 1 - IBS (18" UG) 1 - UBHO 1 - HDS-1 NMDC 1 - IBS (18" UG) " NMDC 1 - FILTER SUB 1 - XO 30 - JTS OF HWDP STOPPED AT XO TO TEST MWD, TEST PASSED SIMOPS: LAY OUT 4" DRILL PIPE ON PIPE RACKS 2:30 4: INRC TRIP BHA P STRAP HWDP AND DRILL PIPE ON RACKS AND ENTER TALLY INTO TOTCO 4:00 5: INRC TRIP BHA P CONTINUE PICKING UP BHA #5 5:00 14: INRC TRIP PULD P RIH WITH BHA #5, TAG 7457FT 14:30 16: INRC CIRC CNDFLD P 360 GPM AND WEIGHT UP MUD TO 11.0 PPG. 16:00 16: INRC TRIP DRILL P HOLD PJSM, PERFORM CHOKE DRILL AS FOLLOWS: TRAP 300 PSI ON BACK SIDE, STAGE UP PUMPS TO 40 SPM WHILE MAINTAINING 300 PSI CASING PRESSURE, CLOSE CHOKE TO INCREASE PSI TO 400 PSI, OBSERVED APPROX 15 SECOND LAG TIME, STAGE DOWN PUMPS WHILE MAINTAINING 400 PSI 16:30 17: INRC DRLOUT DOCMT P DRILL OUT FLOAT COLLAR WITH 300 GPM, 40 RPM, 10K WOB, KELLY DOWN (7465FT) 17:00 17: INRC DRLOUT DOCMT P INSTALL ROT HEAD 17:30 18: INRC DRLOUT DOCMT P DRILL OUT REMAINING SHOE TRACK AND 10FT OF NEW FORMATION TO 7528FT, RPM, 10K WOB, 2-5K FT-LBS TORQUE, 300 GPM SIMOPS: PRODUCTION CASING DELIVERED TO LOCATION, CLEAN AND DRIFT CASING. 18:30 19: INRC CIRC CNDHOL P CIRCULATE HOLE CLEAN W 300 GPM WHILE CONDITIONING MUD WITH DEFOAMER, MUD WEIGHT INOUT 11.0 PPG 19:00 19: INRC DRLOUT FST P PERFORM FIT TO 12.8 PPG EMW, GOOD TEST. 19:30 22: PRDR DRILL ROTVER P ROTARY DRILL 6 18" PRODUCTION HOLE F 7528' , 25.6 FTHR 10-20K WOB, RPM, 3-7K FT-LBS TORQUE, 300 GPM, PRESSURE OFFON BOTTOM FT, 2.02 INC, 0.51 AZI MUD WEIGHT INOUT NOTE: EXCESSIVE SHOCK AND VIBRATION ON MWD TOOL, ATTEMPT TO REDUCE BY ADJUSTING PARAMETERS, DECISION MADE TO REDUCE FLOW RATE TO 250 GPM ON NEXT STAND 22:30 0: PRDR DRILL ROTVER P ROTARY DRILL 6 18" PRODUCTION HOLE F 7605' , 21.3 FTHR 10-20K WOB, RPM, 3-7K FT-LBS TORQUE, 250 GPM, PRESSURE OFFON BOTTOM MUD WEIGHT INOUT Total Time NOTE: REDUCED FLOW RATE REDUCED SHOCK AND VIBRATION :34:52AM Page 2 of 3

21 Report No: 13 OPERATIONS - NEXT DAY From To eration Details Phase Sub Type 0:00 6: PRDR DRILL ROTVER P ROTARY DRILL 6 18" PRODUCTION HOLE F 7637' - 7XXX, 21.3 FTHR 10-20K WOB, RPM, 3-7K FT-LBS TORQUE, 250 GPM, PRESSURE OFFON BOTTOM Total Time 6.00 Safety Incident? N Environ Incident? Incident Comments: No incidents reported last 24 hours. Other Remarks: N Days since Last RI: Days since Last LTA MUD WEIGHT INOUT Weather Comments: DRIVING DIRECTIONS TO BLACKHAWK UL 3112: FROM FT STOCKTON GO EAST ON INTERSTATE I MILES TO EXIT #272, THEN GO SOUTH ON UNIVERSITY ROAD 2.2 MILES, THE ROAD WILL TURN LEFT FOR 5 THENTHS OF A MILE THEN TURN BACK SOUTH FOR 3.4 MILES, TURN WEST 3 MILES THEN TURN RIGHT 3 TENTHS OF A MILE AND TURN NORTH TO LOCATION RIG PHONE: LAT: N LON: W NOTIFIED TRRC OF INTENT TO SPUD, RUN CSG & CEMENT: TALKED TO 11AM ON JOB # 3728 NOTIFIED TRRC OF INTENT TO RUN CSG & CEMENT: SPOKE WITH HRS ON RIG ACCEPTED ON FULL RATE ON 11:00HRS 4" DRILL PIPE HOURS SINCE LAST INSPECTION UNSAFE ACTS: 9 SAFE ACTS: 3 UNSAFE EQUIPMENT: 0 SWA: 2 NEAR MISSES: 0 JSA's: 15 SAFETY MEETINGS: 5 LOTO's: 0 PERMITS TO WORK: 8 POWER LINE CHECK LIST: PRE SPUD INSPECTION: HAZARD ID's: 1 EP2 OBSERVATIONS: 2 BEST STOP CARD: OBSERVED 3RD PARTY HAND STANDING TOO CLOSE TO PIPE WRANGLER WHILE IN USE, STOPPED HIM AND REMINDED HIM TO ALWAYS STAY CLEAR OF THE BUFFER ZONE :34:52AM Page 3 of 3