Well Operations

SUBPART G - WELL OPERATIONS AND EQUIPMENT (Last Updated – January 2026)

General Requirements

B-100 DOES THE OPERATOR HAVE A PERSON ONSITE DURING WELL OPERATIONS WHO REPRESENTS THE OPERATOR’S INTERESTS AND CAN FULFILL THE OPERATOR’S RESPONSIBILITIES? Authority: 30 CFR 250.703(b) Enforcement Actions: S

B-105 IS THE WELL CONTINUOUSLY UNDER SURVEILLANCE FROM THE BEGINNING OF WELL OPERATIONS UNTIL THE WELL IS COMPLETED OR ABANDONED, UNLESS THE WELL HAS BEEN SECURED WITH BLOWOUT PREVENTERS (BOPS), BRIDGE PLUGS, CEMENT PLUGS, OR PACKERS? Authority: 30 CFR 250.703(c) Enforcement Actions: W

Rig Requirements

B-110 HAVE ALL CREW MEMBERS BEEN INSTRUCTED IN THE SAFETY REQUIREMENTS OF THE OPERATIONS TO BE PERFORMED, POSSIBLE HAZARDS TO BE ENCOUNTERED, AND GENERAL SAFETY CONSIDERATIONS TO PROTECT PERSONNEL, EQUIPMENT, AND THE ENVIRONMENT PRIOR TO ENGAGING IN WELL OPERATIONS; AND HAVE THE DATE AND TIME OF THE SAFETY MEETINGS BEEN RECORDED? Authority: 30 CFR 250.710(a) Enforcement Actions: W

B-115 IS A COPY OF THE COMPLETE WELL-CONTROL PLAN POSTED ON THE RIG FLOOR? Authority: 30 CFR 250.710(b) Enforcement Actions: W

B-120 ARE WELL-CONTROL DRILLS CONDUCTED IN ACCORDANCE WITH THE WELL-CONTROL PLAN, WITH ALL PERSONNEL ENGAGED IN WELL OPERATIONS, AND RECORDED IN THE DAILY REPORTS? Authority: 30 CFR 250.710(b) Enforcement Actions: W 30 CFR 250.711 30 CFR 250.711(a) 30 CFR 250.711(b)

B-125 DOES THE MOBILE OFFSHORE DRILLING UNIT (MODU) HAVE A MINIMUM OF TWO FUNCTIONING GPS TRANSPONDERS AT ALL TIMES? Authority: 30 CFR 250.715 Enforcement Actions: S

Well Operations

B-130 HAVE THE SURFACE, INTERMEDIATE, AND PRODUCTION CASINGS, AS WELL AS THE INNER RISER ON A DUAL BORE RISER CONFIGURATION, BEEN PRESSURE TESTED TO 70 PERCENT OF THE MINIMUM INTERNAL YIELD PRESSURE OF THE CASING; AND HAS THE CONDUCTOR CASING, EXCLUDING SUBSEA WELLHEADS, BEEN TESTED TO A MINIMUM OF 250 PSI FOR 30 MINUTES, WITH NO MORE THAN A 10 PERCENT PRESSURE DROP DURING THE TESTS, OR AS OTHERWISE APPROVED BY THE DISTRICT MANAGER? Authority: 30 CFR 250.721(a) Enforcement Actions: W/S 30 CFR 250.721(e) 30 CFR 250.721(f) 30 CFR 250.733(b)(2)

B-135 HAS EACH CASING STRING THAT EXTENDS TO THE WELLHEAD BEEN PRESSURE TESTED FOR 30 MINUTES WITH NO MORE THAN A 10 PERCENT PRESSURE DROP DURING THE TESTS, OR AS OTHERWISE APPROVED BY THE DISTRICT MANAGER? Authority: 30 CFR 250.721(a) Enforcement Actions: W/S 30 CFR 250.721(d) 30 CFR 250.721(f)

B-140 IS EACH PRODUCTION LINER AND LINER-TOP TESTED TO A MINIMUM OF 500 PSI ABOVE FORMATION FRACTURE PRESSURE FOR 30 MINUTES, WITH NO MORE THAN A 10 PERCENT PRESSURE DROP, AT THE CASING SHOE INTO WHICH THE LINER IS LAPPED; OR AS OTHERWISE APPROVED BY THE DISTRICT MANAGER? Authority: 30 CFR 250.721(c) Enforcement Actions: W/S 30 CFR 250.721(d) 30 CFR 250.721(f)

B-145 IS THE DRILLING LINER AND LINER-TOP TESTED TO A PRESSURE AT LEAST EQUAL TO THE ANTICIPATED LEAK- OFF PRESSURE OF THE FORMATION BELOW THAT LINER SHOE, OR SUBSEQUENT LINER SHOES IF SET, AND HELD FOR 30 MINUTES WITH NO MORE THAN A 10 PERCENT PRESSURE DROP; OR AS OTHERWISE APPROVED BY THE DISTRICT MANAGER? Authority: 30 CFR 250.721(b) Enforcement Actions: W/S 30 CFR 250.721(d) 30 CFR 250.721(f)

B-150 DID THE OPERATOR PERFORM A NEGATIVE PRESSURE TEST, WITH TWO BARRIERS IN PLACE, ON ALL WELLS THAT USE A SUBSEA BOP STACK OR MUDLINE SUSPENSION SYSTEM? Authority: 30 CFR 250.721(g) Enforcement Actions: W/S

B-155 HAS THE CASING OR LINER BEEN SUCCESSFULLY PRESSURE-TESTED, CALIPERED, OR OTHERWISE EVALUATED EVERY 30 DAYS DURING PROLONGED WELLBORE OPERATIONS? Authority: 30 CFR 250.722 Enforcement Actions: W/S

B-160 ARE ALL WELLS IN THE SAME WELL-BAY, WHICH ARE CAPABLE OF PRODUCING HYDROCARBONS, SHUT-IN BELOW THE SURFACE WITH A PUMP-THROUGH-TYPE TUBING PLUG AND AT THE SURFACE WITH A CLOSED MASTER VALVE PRIOR TO MOVING RIGS AND RELATED EQUIPMENT ON TO AND OFF OF LOCATION, OR AS OTHERWISE APPROVED BY THE DISTRICT MANAGER? Authority: 30 CFR 250.723 Enforcement Actions: W/S

B-165 IS THE WELL, TO WHICH THE RIG AND RELATED EQUIPMENT IS TO BE MOVED, EQUIPPED WITH A PUMP- THROUGH-TYPE TUBING PLUG AND A BACK-PRESSURE VALVE PRIOR TO REMOVING THE TREE AND INSTALLING, TESTING OR REMOVING THE BOP SYSTEM? Authority: 30 CFR 250.723(d) Enforcement Actions: W/S

B-170 WHEN A RIG UNIT OR LIFT BOAT IS ON OR JACKED-UP OVER A PLATFORM, IS AN OPERABLE EMERGENCY SHUTDOWN DEVICE (ESD) STATION FOR THE PRODUCTION SYSTEM LOCATED NEAR THE RIG OPERATOR’S CONSOLE, WHEN THERE ARE PRODUCING WELLS OR OTHER HYDROCARBON FLOW? Authority: 30 CFR 250.503 Enforcement Actions: S 30 CFR 250.603 30 CFR 250.723(b)

Surface and Subsea BOP Stacks

B-175 ARE THE BOP SYSTEM AND SYSTEM COMPONENTS DESIGNED, INSTALLED, MAINTAINED, INSPECTED, TESTED, AND USED PROPERLY TO ENSURE WELL CONTROL IN ACCORDANCE WITH API STANDARD 53, FOURTH EDITION? Authority: 30.CFR 250.730(a) Enforcement Actions: W/C/S 30 CFR 250.730(a)(1)

B-180 DOES THE WORKING-PRESSURE RATING OF ALL BOP COMPONENTS, EXCLUDING ANNULAR(S), EXCEED THE MAXIMUM ANTICIPATED SURFACE PRESSURE (MASP) AS DEFINED FOR THE OPERATION? Authority: 30 CFR 250.730(a) Enforcement Actions: S 30 CFR 250.730(a)(1)

B-185 ARE ALL ACCUMULATOR SYSTEM ANALOG PRESSURE GAUGES CALIBRATED AT LEAST EVERY 3 YEARS, OR IF ELECTRONIC PRESSURE GAUGES ARE USED ARE THEY CALIBRATED AS PER THE ORIGINAL EQUIPMENT MANUFACTURER (OEM), AND IS A GAUGE FOR MEASURING ACCUMULATOR PRECHARGE PRESSURE AVAILABLE? Authority: 30 CFR 250.730(a)(1) Enforcement Actions: W

B-190 IS AN APPROVED SET OF SCHEMATIC DRAWINGS OF THE BOP AND CONTROL SYSTEM AVAILABLE ON THE RIG? Authority: 30 CFR 250.730(a)(4) Enforcement Actions: W/S

B-195 IS A DRILLING SPOOL WITH SIDE OUTLETS PROVIDED IF SIDE OUTLETS ARE NOT PROVIDED IN THE BODY OF THE BOP STACK TO PROVIDE FOR SEPARATE KILL AND CHOKE LINES? Authority: 30 CFR 250.733(c) Enforcement Actions: S 30 CFR 250.734(a)(14) 30 CFR 250.730(a)(1)

B-200 IS EACH CHOKE AND KILL LINE EQUIPPED WITH TWO FULL OPENING VALVES, WITH AT LEAST ONE REMOTE- CONTROLLED VALVE FOR SURFACE AND ALL REMOTE-CONTROLLED VALVES FOR SUBSEA? Authority: 30 CFR 250.733(d) Enforcement Actions: S 30 CFR 250.734(a)(14) 30 CFR 250.730(a)(1)

B-205 DOES THE ACCUMULATOR SYSTEM PROVIDE SUFFICIENT CAPACITY TO OPERATE THE BOP FUNCTIONS AS DEFINED IN API STANDARD 53, SECTIONS 6.5.6 AND 7.6.8, WITHOUT ASSISTANCE FROM A CHARGING SYSTEM, AND STILL HAVE A MINIMUM PRESSURE OF 200 PSI REMAINING ON THE BOTTLES ABOVE THE PRECHARGE PRESSURE? Authority: 30 CFR 250.735(a) Enforcement Actions: S 30 CFR 730(a)(1)

B-210 HAVE ACCUMULATOR REGULATORS, SUPPLIED BY RIG AIR, AND WITHOUT A SECONDARY SOURCE OF PNEUMATIC SUPPLY, BEEN EQUIPPED WITH MANUAL OVERRIDES OR OTHER DEVICES PROVIDED TO ENSURE CAPABILITY OF HYDRAULIC OPERATIONS IF RIG AIR IS LOST? Authority: 30 CFR 250.735(a) Enforcement Actions: S 30 CFR 250.730(a)(1)

B-215 HAVE ALL ACCUMULATOR BOTTLES PRECHARGE PRESSURES BEEN MEASURED AND ADJUSTED TO THE MANUFACTURER SPECIFIED API 16 D METHOD PRIOR TO THE BOP STACK BEING DEPLOYED, AND ARE THE REQUIRED PRECHARGE RECORDS MAINTAINED ONSITE? Authority: 30 CFR 250.735(a) Enforcement Actions: C/S 30 CFR 250.730(a)(1)

B-220 IS AN AUTOMATIC BACKUP ACCUMULATOR-CHARGING SYSTEM, AS REFERENCED IN API STANDARD 53, SECTIONS 6.3.5 AND 7.3.5, SUPPLIED BY A POWER SOURCE INDEPENDENT FROM THE POWER SOURCE TO THE PRIMARY ACCUMULATOR-CHARGING SYSTEM, AND POSSESSING SUFFICIENT CAPABILITY TO CLOSE AND HOLD CLOSED ALL BOP COMPONENTS UNDER MASP CONDITIONS? Authority: 30 CFR 250.735(b) Enforcement Actions: S 30 CFR 250.730(a)(1)

B-225 IS AT LEAST ONE FULL REMOTE BOP CONTROL STATION, IN ADDITION TO THE ONE ON THE RIG FLOOR, PROVIDED IN A READILY ACCESSIBLE LOCATION AWAY FROM THE RIG FLOOR? Authority: 30 CFR 250.735(c) Enforcement Actions: S 30 CFR 250.737(d)(5) 30 CFR 250.730(a)(1)

B-230 IS THE CHOKE LINE INSTALLED ABOVE THE BOTTOM WELL-CONTROL RAM? Authority: 30 CFR 250.735(d) Enforcement Actions: S 30 CFR 250.730(a)(1)

B-235 IS THE KILL LINE INSTALLED BENEATH AT LEAST ONE WELL-CONTROL RAM? Authority: 30 CFR 250.735(e) Enforcement Actions: S 30 CFR 250.730(a)(1)

B-240 IS A FILL-UP LINE INSTALLED ABOVE THE UPPERMOST BOP? Authority: 30 CFR 250.735(f) Enforcement Actions: S 30 CFR 250.514(b)(1) 30 CFR 250.614(c)(1) 30 CFR 250.730(a)(1)

B-245 DOES THE WELLHEAD ASSEMBLY HAVE A RATED WORKING PRESSURE (RWP) THAT EXCEEDS THE MAXIMUM ANTICIPATED WELLHEAD PRESSURE? Authority: 30 CFR 250.735(h) Enforcement Actions: S

B-250 ARE LOCKING DEVICES INSTALLED ON ALL BOP SEALING RAMS (I.E., BLIND SHEAR RAMS, PIPE RAMS AND VARIABLE BORE RAMS)? Authority: 30 CFR 250.735(g) Enforcement Actions: S 30 CFR 250.730(a)(1)

B-255 ARE ALL COMPONENTS OF THE CHOKE MANIFOLD SYSTEM SUITABLE FOR THE APPLICATION IN WHICH THEY WILL BE USED; AND IS ALL OF THE CHOKE MANIFOLD EQUIPMENT, WHICH IS SUBJECT TO WELL AND/OR PUMP PRESSURES (UPSTREAM OF AND INCLUDING CHOKES), HAVE A RATED WORKING PRESSURE (RWP) AT LEAST AS GREAT AS THE RATED WORKING PRESSURE (RWP) OF THE RAM-TYPE BOPS? Authority: 30 CFR 250.736(a) Enforcement Actions: S 30 CFR 250.736(b) 30 CFR 250.736(c) 30 CFR 250.730(a)(1)

B-260 IF BUFFER TANKS ARE INSTALLED DOWNSTREAM OF THE CHOKE ASSEMBLIES FOR THE PURPOSE OF MANIFOLDING THE BLEED LINES TOGETHER, ARE ISOLATION VALVES INSTALLED ON EACH LINE? Authority: 30 CFR 250.736(b) Enforcement Actions: S 30 CFR 250.730(a)(1)

B-265 WHEN UTILIZING A TOP-DRIVE SYSTEM EQUIPPED WITH A REMOTE-CONTROLLED VALVE, IS A STRIPPALBE KELLY VALVE INSTALLED BELOW THE REMOTE-CONTROLLED VALVE AND ARE ALL VALVES INSTALLED AS DESCRIBED IN API STANDARD 53, SECTIONS 6.4.1 AND 7.5.1? Authority: 30 CFR 250.736(d)(1) Enforcement Actions: S 30 CFR 250.736(d)(2) 30 CFR 250.736(d)(6) 30 CFR 250.730(a)(1)

B-270 ARE THE INSIDE BOP AND DRILL-STRING SAFETY VALVES LOCATED ON THE RIG FLOOR, ABLE TO FIT ALL SIZES OF PIPE IN THE DRILL STRING, LEFT IN THE OPEN POSITION, AND ARE THE WRENCHES WHICH MANUALLY OPERATE EACH VALVE READILY ACCESSIBLE TO THE RIG CREW WHILE OPERATIONS ARE BEING CONDUCTED? Authority: 30 CFR 250.736(d)(3) Enforcement Actions: S 30 CFR 250.736(d)(4) 30 CFR 250.736(d)(7) 30 CFR 250.730(a)(1)

B-275 ARE CASING SAFETY VALVES, ABLE TO FIT THE SIZE CASING BEING RUN IN THE HOLE, ACTUATED PRIOR TO RUNNING THE CASING AND LEFT IN THE OPEN POSITION ON THE RIG FLOOR THROUGHOUT THE OPERATION? Authority: 30 CFR 250.736(d)(5) Enforcement Actions: W/S 30 CFR 250.737(d)(11) 30 CFR 250.746

B-280 WAS THE SURFACE OR SUBSEA BOP STACK PRESSURE TESTED AFTER INSTALLATION? Authority: 30 CFR 250.737(a)(1) Enforcement Actions: W/S 30 CFR 250.737(d)(4)

B-285 FOR SURFACE AND SUBSEA STACKS, WERE THE BOP SYSTEMS PRESSURE TESTED BEFORE 14 DAYS ELAPSED SINCE THE LAST BOP PRESSURE TEST WAS COMPLETED, OR 30 DAYS SINCE THE LAST BLIND SHEAR RAM PRESSURE TEST WAS COMPLETED; AND HAS AN ALTERNATING TESTS SCHEDULE BEEN DEVELOPED TO ENSURE FUNCTIONALITY OF THE APPLICABLE CONTROL STATIONS AND PODS? Authority: 30 CFR 250.737(a)(2) Enforcement Actions: W/S 30 CFR 250.737(a)(3) 30 CFR 250.737(d)(5)

B-290 ARE SURFACE AND SUBSEA BOP SYSTEMS PRESSURE TESTED BEFORE DRILLING OUT EACH STRING OF CASING OR LINER, OR AS OTHERWISE APPROVED BY THE DISTRICT MANAGER? Authority: 30 CFR 250.737(a)(3) Enforcement Actions: W/S

B-295 HAVE ALL BOP SYSTEM COMPONENTS BEEN SUCCESSFULLY TESTED TO A LOW-PRESSURE BETWEEN 250 PSI AND 350 PSI, AND DOES THE LOW-PRESSURE TEST TRANSITION TO THE HIGH-PRESSURE TEST? Authority: 30 CFR 250.737(b) Enforcement Actions: W/S 30 CFR 250.737(b)(1)

B-300 HAVE ALL BOP SYSTEM COMPONENTS BEEN SUCCESSFULLY TESTED TO THE REQUIRED HIGH-PRESSURE APPROVED IN THE PERMIT? Authority: 30 CFR 250.737(b)(2) Enforcement Actions: W/S 30 CFR 250.737(b)(3)

B-305 HAS EACH PRESSURE TEST PERFORMED ON THE BOP SYSTEM HELD PRESSURE FOR THE REQUIRED AMOUNT OF TIME AND BEEN RECORDED ON A DIGITAL RECORDER, OR ON A CHART WHICH DOES NOT EXCEED 4 HOURS; AND HAS THE PRESSURE FOR EACH TEST BEEN CAPTURED WITHIN THE MIDDLE HALF OF THE CHART’S RANGE? Authority: 30 CFR 250.737(c) Enforcement Actions: W/S 30 CFR 250.746(a) 30 CFR 250.730(a)(1)

B-310 DID THE OPERATOR CONTACT THE DISTRICT MANAGER AT LEAST 72 HOURS PRIOR TO BEGINNING AN INITIAL SURFACE BOP SYSTEM TEST, A SUBSEA BOP SYSTEM STUMP TEST, AN INITIAL SUBEEA BOP TEST, OR A SHEAR RAM TEST IN WHICH PIPE WILL BE SHEARED? Authority: 30 CFR 250.737(d) Enforcement Actions: W 30 CFR 250.737(e)

B-311 WERE THE TEST RESULTS FOR THE INITIAL TEST ON A SURFACE BOP SYSTEM, OR THE STUMP TEST RESULTS FOR SUBEA BOP STACK, PROVIDED TO THE APPROPRIATE DISTRICT WITHIN 72 HOURS AFTER COMPLETION IF BSEE REPRESENTATIVES WERE UNABLE TO WITNESS TESTING? Authority: 30 CFR 250.737(d) Enforcement Actions: W

B-315 ARE AFFECTED BOP COMPONENTS PRESSURE TESTED FOLLOWING DISCONNECTION OR REPAIR OF ANY WELL-PRESSURE CONTAINMENT SEAL IN THE WELLHEAD OR BOP STACK ASSEMBLY; AND HAS THE DISTRICT MANAGER GIVEN APPROVAL PRIOR TO THE FACILITY RESUMING OPERATIONS AFTER REPAIRING, REPLACING, OR RECONFIGURING A BOP SYSTEM? Authority: 30 CFR 250.737(d)(8) Enforcement Actions: W/S 30 CFR 250.738(b)(3) 30 CFR 250.730(a)(1)

B-320 WHEN BOP TESTS ARE POSTPONED DUE TO WELL CONTROL PROBLEMS, IS THE BOP TEST PERFORMED ON THE FIRST TRIP OUT OF THE HOLE AND ARE THE SPECIFIC REASONS FOR POSTPONING THE TESTING RECORDED IN THE FACILITY'S DAILY REPORT OR REFERENCED DOCUMENTS? Authority: 30 CFR 250.738(c) Enforcement Actions: W

B-325 IF A TAPERED DRILL STRING IS IN USE, ARE TWO SETS OF PIPE RAMS INSTALLED, TWO SETS OF PIPE RAMS WHICH ARE CAPABLE OF SEALING AROUND THE LARGER-SIZE DRILL STRING AND ONE SET OF PIPE RAMS WHICH IS CAPABLE OF SEALING AROUND THE SMALLER-SIZE DRILL STRING? Authority: 30 CFR 250.738(e) Enforcement Actions: S

B-330 IF A BOP CONTROL STATION OR POD DOES NOT FUNCTION PROPERLY, ARE OPERATIONS SUSPENDED UNTIL THAT STATION OR POD IS OPERABLE; AND HAS ANY PROBLEMS OR IRREGULARITIES BEEN REPORTED TO THE DISTRICT MANAGER? Authority: 30 CFR 250.738(d) Enforcement Actions: W/S

B-335 WHEN CASING RAMS/SHEARS ARE INSTALLED ON A SURFACE BOP STACK, HAS A SUCCESSFUL SHELL TEST BEEN PERFORMED ON THE RAM BODY PRIOR TO RUNNING CASING? Authority: 30 CFR 250.738(f) Enforcement Actions: W/S

B-340 IF THE OPERATOR ACTIVITATED THE BLIND SHEAR RAM OR CASING SHEAR RAM IN WHICH PIPE OR CASING WAS SHEARED, DID THE OPERATOR RETRIEVE, PHYSICALLY INSPECT, AND CONDUCT A FULL PRESSURE TEST OF THE BOP STACK AFTER THE SITUATION WAS CONTROLLED? Authority: 30 CFR 250.738(i) Enforcement Actions: W/S

B-345 ARE THERE A MINIMUM OF TWO INDEPENDENT BARRIERS INSTALLED, AT LEAST ONE OF WHICH IS MECHANICAL, AND SET WITHIN A PROPERLY CEMENTED CASING STRING OR LINER IF WELL OPERATIONS WERE INTERRUPTED; AND HAS A NEGATIVE PRESSURE TEST BEEN PERFORMED BEFORE REMOVING THE BOP STACK FROM THE WELL, UNLESS OTHERWISE APPROVED BY THE DISTRICT MANAGER? Authority: 30 CFR 250.720 Enforcement Actions: W/S 30 CFR 250.738(j)

B-346 IF A TEST RAM HAS BEEN USED TO CONDUCT BOP TESTS, HAS THE WELLHEAD/BOP CONNECTOR BEEN PRESSURE TESTED TO MAXIMUM ANTICIPATED SURFACE PRESSURE (MASP) PLUS 500 PSI FOR THE HOLE SECTION TO WHICH IT WILL BE EXPOSED? Authority: 30 CFR 250. 738(l) Enforcement Actions: W/S

B-350 ARE REDUNDANT BOP COMPONENTS, INSTALLED IN ADDITION TO REQUIRED COMPONENTS, COMPLIANT WITH ALL TESTING, MAINTENANCE, AND INSPECTION REQUIREMENTS? Authority: 30 CFR 250.738(o) Enforcement Actions: W/S

B-355 DID THE OPERATOR PERFORM PREVENTIVE MAINTENANCE AND INSPECT THE BOP SYSTEM TO MEET OR EXCEED ANY OEM RECOMMENDATIONS, RECOGNIZED ENGINEERING PRACTICES, AND INDUSTRY STANDARDS TO ENSURE THE EQUIPMENT FUNCTIONS AS DESIGNED; AND WERE ALL RESULTS DOCUMENTED? Authority: 30 CFR 250.739(a) Enforcement Actions: S 30 CFR 250.730(a)(1)

B-360 ARE THE MANUFACTURERS’ ORIGINAL EQUIPMENT MANUFACTURER (OEM)/INSTALLATION, OPERATION, AND MAINTENANCE (IOM) MANUALS AVAILABLE ONSITE FOR ALL THE BOP EQUIPMENT INSTALLED IN ACCORDANCE WITH API STANDARD 53 SECTIONS 6.5.8.1 AND 7.6.9.4; AND ARE COMPLETE RECORDS MAINTAINED TO ENSURE THE TRACEABILITY OF THE BOP STACK EQUIPMENT? Authority: 30 CFR 250.739(a) Enforcement Actions: S 30 CFR 250.730(a)(1)

B-365 IS A PLANNED MAINTENANCE SYSTEM MAINTAINED ONSITE AND ARE ALL RECORDS READILY AVAILABLE FOR THE BOP EQUIPMENT IN ACCORDANCE WITH API STANDARD 53, SECTIONS 6.5.9.1 AND 7.6.10.1? Authority: 30 CFR 250.739(a) Enforcement Actions: S 30 CFR 250.730(a)(1)

B-370 DOES THE OPERATOR MAINTAIN COPIES OF THE EQUIPMENT MANUFACTURERS’ PRODUCT ALERTS OR EQUIPMENT BULLETINS AT THE SITE FOR THE EQUIPMENT IN USE ON THE RIG IN ACCORDANCE WITH API STANDARD 53, SECTIONS 6.5.9.2 AND 7.6.10.2? Authority: 30 CFR 250.739(a) Enforcement Actions: S 30 CFR 250.730(a)(1)

B-375 DID THE OPERATOR PERFORM A MAJOR, DETAILED INSPECTION OF THE WELL CONTROL SYSTEM COMPONENTS EVERY 5 YEARS? Authority: 30 CFR 250.739(b) Enforcement Actions: W/S 30 CFR 250.739(e)

B-380 ARE SURFACE BOP SYSTEMS VISUALLY INSPECTED EACH DAY, ONCE EVERY 3 DAYS FOR SUBSEA BOP SYSTEMS, AND ARE THE RESULTS DOCUMENTED IN THE FACILITY'S DAILY REPORTS? Authority: 30 CFR 250.739(c) Enforcement Actions: W 30 CFR 250.746(f)

B-385 ARE THE PRIMARY AND SECONDARY CONTROL STATIONS AND PODS FUNCTIONED WEEKLY ON AN ALTERNATING SCHEDULE, ANNULAR AND PIPE/VARIABLE RAM BOPS FUNCTION TESTED EVERY 7 DAYS, SHEAR TYPE RAMS FUNCTIONED EVERY 14 DAYS AND ALL OTHER REMOTE STATIONSFUNCTION TESTED DURING THE INITIAL TEST? Authority: 30 CFR 250.737(d)(5) Enforcement Actions: W/S 30 CFR 250.737(d)(9) 30 CFR 250.737(d)(10) 30 CFR 250.730(a)(1)

B-386 ARE ANNULARS AND VARIABLE BORE PIPE RAMS PRESSURE TESTED AGAINST THE SMALLEST SIZE OF PIPE THAT WILL BE USED FOR THE INTENDED HOLE SECTION, EXCLUDING DRILL COLLARS AND BOTTOM-HOLE TOOLS PER API STANDARD 53? Authority: 30 CFR 250.737(d)(6) Enforcement Actions: W/S 30 CFR 250.737(d)(7) 30 CFR 250.730(a)(1)

Surface BOP Stacks Only

B-390 IS THE SURFACE BOP PROPERLY CONFIGURED BASED ON THE TYPE OF OPERATION BEING PERFORMED AND THE EXPECTED SURFACE PRESSURES IT COULD ENCOUNTER DURING OPERATIONS? Authority: 30 CFR 250.733(a) Enforcement Actions: S 30 CFR 250.733(b)(1) 30 CFR 250. 733(e)

B-395 IS AN ALTERNATIVE CUTTING DEVICE AVAILABLE ON THE RIG FLOOR DURING OPERATIONS IF THE BLIND SHEAR RAMS ARE UNABLE TO CUT ANY ELECTRIC-LINE, WIRE-LINE, OR SLICK-LINE UNDER MASP WHEN YOU DRILL OR CONDUCT OPERATIONS WITH A SURFACE BOP STACK? Authority: 30 CFR 250.733(a)(1) Enforcement Actions: S

B-400 IF USING A SURFACE BOP ON A FLOATING PRODUCTION FACILITY, IS A DUAL BORE RISER IN PLACE PRIOR TO DRILLING OR OPERATING IN ANY HOLE SECTION OR INTERVAL WHERE HYDROCARBONS ARE, OR MAY BE, EXPOSED TO THE WELL; AND DOES IT MEET THE DESIGN REQUIREMENTS OF API RP 2RD? Authority: 30 CFR 250.733(b) Enforcement Actions: S 30 CFR 250.198

B-405 IF A REMOTE-CONTROLLED VALVE IS NOT INSTALLED IN THE KILL LINE, ARE BOTH MANUAL VALVES READILY ACCESSIBLE AND IS A CHECK VALVE INSTALLED BETWEEN THE MANUAL VALVES AND THE PUMP? Authority: 30 CFR 250.733(d) Enforcement Actions: S

B-410 IS THE SURFACE BOP SYSTEM PRESSURE TESTED WITH WATER DURING THE INITIAL TEST? Authority: 30 CFR 250.737(d)(2) Enforcement Actions: W/S 30 CFR 250.730(a)(1)

B-420 DOES THE OPERATOR’S SURFACE BOP SYSTEM MEET THE REQUIREMENTS AS DEFINED IN API STANDARD 53, FOURTH EDITION, SECTION 6.1? Authority: 30 CFR 250.730(a)(1) Enforcement Actions: W/C/S

B-425 IS THE OPERATOR’S CHOKE MANIFOLD, CHOKE LINE, AND KILL LINE INSTALLED AS DEFINED IN API STANDARD 53, FOURTH EDITION, SECTION 6.2? Authority: 30