ITEM CRITICALITY COMMENT AUDIT STANDARD1 Wet Mud Circulating System

Mud Pumps Critical Full Inspection and function test, various measurements recorded ofclearances and tolerances, review of PMS

API Spec 7F, 7K and RP 7L, AS-4100, Australian Area Standards

Mud Pump Blower System Critical Compliance with zone regulations, full inspection and function test, reviewof PMS

API Spec 7F, 7K and RP 7L, API RP 500 - 505, AS/NZS-2381.1 (2005), Australian Area Standards

Degasser system Critical Compliance with zone regulations, full inspection and function test, reviewof PMS

API Spec 7F, 7K and RP 7L, API RP 500 - 505, AS/NZS-2381.1 (2005), Australian Area Standards

Shale shaker system Critical Compliance with zone regulations, full inspection and function test, reviewof PMS

API RP, 13C, RP 13E, API RP 500 - 505, AS/NZS-2381.1 (2005), Australian Area Standards

Mud pump standpipe & lines Critical Review of NDT records, pressure test report, visual inspection, review ofPMS etc

API Spec 7K, Spec 2B, RP 7L and API RP 570, Australian Area Standards

Pop off valve Critical Review of NDT records, pressure test report, visual inspection, review ofPMS etc

API RP 7L, RP 570, Australian Area Standards

Standpipe manifold Critical Review of NDT records, pressure test report, visual inspection, review ofPMS etc

API Spec 7K, 2B, RP 7L and RP 570, Australian Area Standards

Rotary hose Critical Review of NDT records, pressure test report, visual inspection, review ofPMS etc

API Spec 7L, 8A, 8C, RP 8B and RP 570, Australian Area Standards

Pulsation damper Major Review of NDT records, verification of OEM, visual inspection, review ofPMS etc

API RP 7L, Australian Area Standards

Swivel & Power Swivel Critical Review of NDT records, visual inspection, review pf PMS etc API Spec 5B, 8A, 8C and RP 8BAS-1418.1(2002), AS/NZS-2381.1(2005), Australian Area Standards

Mud Pits Minor Review of NDT records, visual inspection, review pf PMS etc API Spec 7K and RP 7LAS/NZS-2430, Australian Area Standards

Mud pit dump valves Minor Review of NDT records, visual inspection, review pf PMS etc API Spec 7K and RP 7L

Hoppers/sack handling Minor Review of NDT records, visual inspection, review pf PMS etc API Spec 7K and RP 7L

Centrifuges Minor Review of NDT records, visual inspection, review pf PMS etc API Spec 7F, 7K and RP 7L, API RP 500 - 505, AS/NZS-2381.1 (2005), Australian Area Standards

Mud Cleaner System Minor Review of NDT records, visual inspection, review pf PMS etc API Spec 7F, 7K and RP 7L, API RP 500 - 505, AS/NZS-2381.1 (2005) Australian Area Standards

2 Drill string and associatedDrillstring Major Visual inspections, review of documentation, verify meets minimum

requirements of DS1 Category 4DS1 Category 4, API Spec 5CTbest industry practice

Drill collars Major Visual inspections, review of documentation, verify meets minimumrequirements of DS1 Category 4

DS1 Category 4, API Spec 5CTbest industry practice

Subs etc Major Visual inspections, review of documentation, verify meets minimumrequirements of DS1 Category 4

DS1 Category 4, API Spec 5CTbest industry practice

3 Mast and SubstructureMast Critical Detailed inspection, review of PMS, certification, compliance and overall

conditionAPI Spec 4A, 4D, 4E, 4F, 4G AS/NZS-2381.1 (2005), AS-4100, AS-1657

Substructure Critical Review of NDT records and detailed inspection API Spec 4A, 4D, 4E, 4F, 4G AS/NZS-2381.1 (2005), AS-4100, AS-1657

Monkey Board Critical Review of NDT records/certification and details inspection API Spec 4A, 4D, 4E, 4F, 4G (APPEA) /NATAAS/NZS-2381.1 (2005), AS-4100, AS-1657

Racking Fingers Critical Review of NDT records/certification and details inspection API Spec 4A, 4D, 4E, 4F, 4G AS/NZS-2381.1 (2005), AS-4100, AS-1657

Skid Jacking System Major Review of NDT records and detailed inspection AS-4100, API RP 54

Carrier Critical Visual inspection of carrier and critical stress points, review of NDT anddocumentation records

AS-4100, AS-1657, API RP 54, Australian Area Standards

4 Hoisting System ALL TO BE FUNCTIONED

Drill line Critical Visual inspection, review of NDT and certification records, review of slip andcut program and PMS

API Spec 9A, API RP 9B, AS-1418.1 (2002) best industry practice

Drill Line Anchor Critical Visual inspection, review of NDT and certification records and PMS API Spec 7L, 8A, 8C and RP 8B, AS-1418.1 (2002)

Crown Block Critical Visual inspection, review of NDT and certification records, sheave gaugingand PMS

API Spec 8A, Spec 8C and RP 8B, AS-1418.1 (2002)

Travelling Block Critical Visual inspection, review of NDT and certification records, sheave gaugingand PMS

NT, API Spec 8A, 8C and RP 8B, AS-1418.1 (2002)

Crown-o-matic Critical Visual inspection, review of NDT and certification records and PMS NT, API Spec 8A, 8C and RP 8B, API RP 54

Electric Brake Critical Visual inspection, review of NDT and certification records and PMS API Spec 8A, 8C and RP 8B, API Spec 7K, 7L API RP 500-505AS-2380.1-9

Air hoists Critical Visual inspection, review of NDT and certification records and PMS API Spec 9A, API RP 54, best industry practiceAS 1418.1 (2002)

Brake Cooling Water System Major Visual inspection, review of NDT and certification records and PMS API Spec 8A, 8C and RP 8B

Drawworks system Critical Visual inspection, review of NDT and certification records and PMS API Spec 7F, 7L, 8A, 8C 9A and RP 8B, AS-1418.1 (2002)

Weight Indicator Major Visual inspection, review of NDT and certification records, instrumentcalibration and PMS

API Spec 8A, 8C and RP 8B, AS-1418.1 (2002)

Slickline unit Major Visual inspection, review of NDT and certification records, instrumentcalibration, PMS

API Spec 7F, 8A, 8C, API RP 8B, API RP 500-505AS-1418.1 (2002)

5 Rig Floor Systems ALL FUNCTION TESTED

Pipe Racking System Critical Visual inspection, review of NDT and certification records, instrumentcalibration and PMS

API Spec 7F, 8A, 8C and API RP 8B, AS 4100

Elevators and associated handlingequipment

Critical Visual inspection, review of NDT, certification and PMS records API Spec 8A, 8C and RP 8B, AS-1418.1 (2002)

Horizontal pipe handling Critical Visual inspection, review of NDT, certification and PMS records API Spec 7F, 8A, 8C and RP 8B,

Casing Stabbing Board Critical Visual inspection, review of NDT, certification and PMS records API Spec 8A, 8C and RP 8B, API RP 54AS-1418.1 (2002)

Drill Floor Manipulator Arm Visual inspection, review of NDT, certification and PMS records API Spec 7F, 8A, 8C and RP 8B,

Manual tongs Critical Visual inspection, review of NDT, certification and PMS records API Spec 8A, 8C and RP 8B,

Iron Roughneck Critical Visual inspection, review NDT, certification and PMS records API Spec 7F, 8A, 8C and RP 8B,

Power Tong Critical Visual inspection, review NDT, certification and PMS records API SPEC 8A, 8C and RP 8B,

Pipe Spinner Critical Visual inspection, review NDT, certification and PMS records API SPEC 8A, 8C and RP 8B,

Kelly Spinner Critical Visual inspection, review NDT, certification and PMS records API Spec 8A, 8C and RP 8B, API RP 54

Ezy Torque Critical Visual inspection, review NDT, certification and PMS records API SPEC 8A, 8C and RP 8B

Bails Critical Visual inspection, review NDT, certification and PMS records API SPEC 8A, 8C and RP 8B,

Kelly OR top drive system Critical Visual inspection, review NDT, certification and PMS records API SPEC 8A, 8C and RP 8B, API RP 500-505AS-1418.1 (2002) AS/NZS-2381.1 (2005)

Rotary table systems Critical Visual inspection, review NDT, certification and PMS records API Spec 7F, 8A, 8C and RP 8B

Bushings Minor Visual inspection, review NDT, certification and PMS records API SPEC 8A, 8C and RP 8BPSI COMPLIANCE INSPECTIONS Page 1

Slips Major Visual inspection, review NDT, certification and PMS records API Spec 8A, 8C and RP 8B

Multi Segment Safety Clamp Major Visual inspection, review NDT, certification and PMS records API Spec 8A, 8C and RP 8B

Drillers Console, to include:Mud watchWeight IndicatorMud pressure gaugesSPM counterRPM counterFlow meterPit level indicatorsRotary torque indicatorsDrilling recorderDrilling line anchorDeviation survey equipment

6 General Handling FUNCTION TEST ALL MECHANICAL AS APPLICABLE AND ACCESSIBLE

BOP handling systems Critical Visual inspection, review of NDT and certification records and PMS API Spec 8A, 8C and RP 8B, AS-1418.1(2002)

Air Hoists & Hydraulic winches Critical Visual inspection, review of NDT and certification records and PMS (APPEA)/NATA, AS-1418.1 (2002)

Padeye Certification Critical Visual inspection, review of NDT and certification records and PMS (APPEA)/NATA, API RP 2A WSD

Loading Hoses Major Visual inspection, review of NDT and pressure test records and PMS API RP 570, SI 2307best industry practice

Lifting equipment register Critical Sampling visual inspection, review of NDT and certification records andPMS for compliance with client specific standard

(APPEA)/NATA, AS 1380, AS 1418, SI 2307Australian Area Regulations, best industry practice

Forklift truck Major Visual inspection and review of certification (APPEA)/NATA

7 Communications EquipmentRadio communications system (from rig) Major Function test and verify applicable compliance Local legislation

Rig PA Major Function test and verify applicable compliance Local legislation

Radio communications system (on rig) Major Function test and verify applicable compliance Local legislation

Internal rig telephone Major Function test and verify applicable compliance Local legislation

8 Emergency Rig EquipmentDerrick Escape Unit Critical Visual inspection, review of certification records, compliance and PMS API RP 54, API Spec 9A

Local area regulationsInertia Reels Critical Visual inspection, review of certification records, compliance and PMS API RP 54 Contractual requirements

Eyewash & Shower Washdown Critical Verify compliance API RP 54, Local legislation, Contractual requirements

Wellsite first aid room Critical Verify compliance API RP 54, Local legislation, Contractual requirements

Stretcher(s) and associated Critical Verify compliance API RP 54, Local legislation, Contractual requirements

Additional first aid stations Critical Verify compliance API RP 54, Local legislation, Contractual requirements

9 Emergency SystemsEmergency Generator Major Function independently and then as part of shutdown test. Visual

inspection, review of service records, compliance and PMSAPI RP 54, API RP 7L, API RP 500-505, best industry practice

UPS, Battery Chargers and Batteries Major Function test and visually inspect API RP 54, API RP 500-505, AS/NZS-2381.1 (2005)

General Alarm System Critical Function test API RP 54, local legislation

Emergency Lighting Critical Function independently and then as part of shutdown test. Visualinspection, review of service records, compliance and PMS

API RP 54, API RP 500-505, AS/NZS-2381.1 (2005)

10 Fire and Gas ProtectionFire Detection System Critical Function test and visually inspect, review certification and PMS API RP 62, local legislation

Gas Detection SystemHydrocarbon

Gas Detection System (H2S) Critical Function test and visually inspect, review certification and PMS API RP 54, Local Legislation

Fire station Hoses Critical Visually inspect review certification API RP 54, Local Legislation

Fire Pump Critical Function test and visually inspect, review certification and PMS API RP 54, Local Legislation

Deluge System Critical Function test and visually inspect, review certification and PMS API RP 54, Local Legislation

Emergency Equipment Boxes Critical Visually inspect review certification API RP 54, Local Legislation

Fixed CO2 System Critical Function test and visually inspect, review certification and PMS API RP 54, Local Legislation

Fire dampers Critical Visually inspection review certification API RP 54, Local Legislation

Compressor For Breathing Device Critical Function test and visually inspect, review certification and PMS API RP 54, Local Legislation

Breathing Apparatus Critical Function test and visually inspect, review certification and PMS API RP 54, Local Legislation

Portable gas detection Critical Function test and visually inspect, review certification and PMS API RP 54, Local Legislation

Quarters Sprinkler System Critical Visually inspect review certification API RP 54, Local legislation

Explosive Store Critical Visually inspect review certification Local Legislation, AS-2187

Portable Fire Extinguishers Critical Visually inspect review certification Local Legislation, API RP 54

11 Utilities Power Plant FULL RANGE FUNCTION TEST UNDER LOAD INC TEST OF ALLSHUTDOWNS

Power generation: Diesel Engine Major Function independently, some kind of verified load test ideal. Visualinspection, review of service records, compliance and PMS

Manufacturer, API 500

A.C. Generators Minor Function independently, some kind of verified load test ideal. Visualinspection, review of service records, compliance and PMS

Manufacturer, API 500

12 Power Distribution andTransformation

SYSTEMS TO BE FUNCTION TESTED AND INSPECTED WHILST ONLINE AND UNDER LOAD

SCR System Critical Visual inspection verify compliance, review PMS Local legislation, API 500-505AS/NZS-2430, AS-2380.1-9

Main switchboard Critical Visual inspection verify compliance, review PMS Local legislation, API 500-505AS/NZS-2430, AS-2380.1-9

480 V switchboard Critical Visual inspection verify compliance, review PMS Local legislation, API 500-505AS/NZS-2430, AS-2380.1-9

Motor control centres Critical Visual inspection verify compliance, review PMS Local legislation, API 500-505AS/NZS-2430, AS-2380.1-9

Intrinsically safe equipment in hazardousareas

Critical Visual inspection verify compliance, review PMS Local legislation, API 500-505AS/NZS-2430, AS-2380.1-9

Critical Function test and visually inspect, review certification and PMS API RP 54, local legislation, best industry practice

Major Visual inspection, review of certification records and PMS. Detailedexamination and verification of calibration records for all gauges.

Australian area regulationsAPI RP 50-505, API RP 54

PSI COMPLIANCE INSPECTIONS Page 2

Power Distribution Panels Critical Visual inspection verify compliance, review PMS Local legislation, API 500-505AS/NZS-2430, AS-2380.1-9

Transfer Panel Critical Visual inspection verify compliance, review PMS Local legislation, API 500-505AS/NZS-2430, AS-2380.1-9

Transformers Critical Visual inspection verify compliance, review PMS Local legislation, API 500-505AS/NZS-2430, AS-2380.1-9

Rig lighting Critical Visual inspection verify compliance, review PMS Local legislation, API 500-505AS/NZS-2430, AS-2380.1-9

13 Utilities Compressed AirL.P. Compressor and air system Major Function test and visually inspect, review certification and PMS API RP 510, API RP 54

14 Work Shop EquipmentElectrical Tools (Portable) Major Review overall condition Local legislation, API 500

Welding equipment Major Review overall condition Local legislation

15 Accommodation QuartersInspection of:

Major - general condition

Critical - fire detection system

Critical - fire extinguishers

Critical - air conditioners

Critical - electrical

Inspection of:

Major - general condition

Critical - first aid room

Critical - fire detection system

Critical - fire extinguishers

Critical - air conditioners

Critical - camp generator and switchboard

Critical - electrical

Major - potable and sanitary water systems

General condition Major Visual inspection

16 Well Control System FUNCTION TEST SYSTEM

Record of size and type of BOP Critical Visually inspect, function test, review of all service records and certification and PMS. Review contractual requirements for compliance

API RP 53A, API RP54A, API 16D, API RP 16E

BOP rams Critical Visually inspect, function test, review of all service records and certification and PMS. Review contractual requirements for compliance

API RP 53A, API RP54A, API 16D, API RP 16E

Drilling spools Critical Visually inspect, review of all service records and certification and PMS. API RP 53A, API RP54A, API 16D, API RP 16E

Drilling spool adapters Critical Visually inspect, review of all service records and certification and PMS. API RP 53A, API RP54A, API 16D, API RP 16E

Choke and Kill adapters Critical Visually inspect, review of all service records and certification and PMS. API RP 53A, API RP54A, API 16D, API RP 16E

Annular type BOP’s Critical Visually inspect, review of all service records and certification and PMS. API RP 53A, API RP54A, API 16D, API RP 16E

Choke lines/manifolds Critical Visually inspect, review of all NDT, pressure test and service records plus certification, PMS

API Spec 2B, API RP 53A, API RP54A, API 16D, API RP 16E, API RP 570

Accumulator (Koomey) unit Critical Visually inspect, review of all NDT, pressure test and service records plus certification, PMS

API RP53A, API RP54A, API 16D, API RP16E, API RP 510, API RP 570

H2S system Critical Visually inspect, review of all service records and certification and PMS. API RP 53A, API RP54A, API 16D, API RP 16E

IBOP & TIW (stabbing valve) Critical Visually inspect, review of all NDT, pressure test and service records plus certification, PMS

API RP 53A, API RP54A, API 16D, API RP 16E, API RP 570

Cup testers Critical Visually inspect, review of all service records and certification and PMS. API RP 53A, API RP54A, API 16D, API RP 16E

Gate valves Critical Visually inspect, review of all service records and certification and PMS. API RP 53A, API RP54A, API 16D, API RP 16E, API RP 570

Kill lines Critical Visually inspect, review of all NDT, pressure test and service records plus certification, PMS

API Spec 2B, API RP 53A, API RP54A, API 16D, API RP 16E, API RP 570

Choke manifold (inc auto choke panel as applicable)

Critical Visually inspect, review of all NDT, pressure test and service records plus certification, PMS

API Spec 2B, API RP 53A, API RP54A, API 16D, API RP 16E, API RP 570

Diverter system Critical Visually inspect, review of all NDT, pressure test and service records plus certification, PMS

API Spec 2B, API RP 53A, API RP54A, API 16D, API RP 16E, API RP 570

Control panel Critical Verify calibration records

17 Spares inventory and warehouseWarehouse Major Spot check and inventory against critical spares list API RP 54, best industry practice

Spares storage facility Major Spot check and inventory

18 PersonnelKey personnel qualification to be verified.- IWCF well control certification- Medic first aid

Safety Major The overall safety culture and crew competency may be assessed as part of the audit process and observations noted throughout the final report in the relevant sections

HSE Audit protocol

19 Doccummentation Review major Check all other doccumentation, certification periodic inspection reports etc as required

Australian Standards,

Certification and qualification Critical Santos

Well site Local legislation

Camp

PSI COMPLIANCE INSPECTIONS Page 3