This is an open-content collaborative encyclopedia developed specifically for inspectors, engineers, maintenance, and reliability professionals in the petroleum (downstream, midstream, upstream) and chemical processing industries. It is designed to be a collective effort of individuals and groups in the Inspectioneering Community to develop a common resource of technical knowledge and expertise. All included terms, phrases, conditions, methodologies, processes, and their definitions are intended to assist asset integrity professionals in their continuous pursuit of knowledge.

A Aboveground Storage Tanks (ASTs)
Acoustic Emission Testing (AET)
Advanced Ultrasonic Backscatter Technique (AUBT)
Alberta Boiler Safety Association (ABSA)
American Fuel and Petrochemical Manufacturers Association (AFPM)
American National Standards Institute (ANSI)
American Petroleum Institute (API)
American Society for Nondestructive Testing (ASNT)
American Society of Mechanical Engineers (ASME)
American Welding Society (AWS)
Amine Stress Corrosion Cracking
Ammonia Stress Corrosion Cracking
API 510 - Pressure Vessel Inspection Code
API 530 - Calculation of Heater Tube Thickness in Petroleum Refineries
API 560 - Fired Heaters for General Refinery Service
API 570 - Piping Inspection Code
API 579-1/ASME FFS-1 - Fitness-For-Service (FFS)
API 594 - Check Valves: Flanged, Lug, Wafer, and Butt-Welding
API 620 - Design and Construction of Large, Welded, Low-Pressure Storage Tanks
API 650 - Welded Tanks for Oil Storage
API 653 - Tank Inspection, Repair, Alteration, and Reconstruction
API 660 - Shell-and-Tube Heat Exchangers
API 661 - Petroleum, Petrochemical, and Natural Gas Industries Air-Cooled Heat Exchangers
API 936 - Refractory Installation Quality Control - Inspection & Testing Monolithic Refractory
API Individual Certification Program (ICP)
API QUSE - Qualification of Ultrasonic Testing Examiners (Sizing)
API QUTE - Qualification of Ultrasonic Testing Examiners (Detection)
API RP 1160 - Managing System Integrity for Hazardous Liquid Pipelines
API RP 1169 - Pipeline Construction Inspection
API RP 1173 - Pipeline Safety Management Systems
API RP 1176 - Assessment and Management of Cracking in Pipelines
API RP 1188 - Hazardous Liquid Pipeline Facilities Integrity Management
API RP 538 - Industrial Fired Boilers for General Refinery and Petrochemical Service
API RP 571 - Damage Mechanisms Affecting Fixed Equipment in the Refining Industry
API RP 572 - Inspection of Pressure Vessels
API RP 573 - Inspection of Fired Boilers and Heaters
API RP 574 - Inspection Practices for Piping System Components
API RP 575 - Inspection Practices for Atmospheric and Low Pressure Storage Tanks
API RP 576 - Inspection of Pressure-Relieving Devices
API RP 577 - Welding Processes, Inspection, and Metallurgy
API RP 578 - Material Verification for New and Existing Alloy Piping
API RP 580 - Risk Based Inspection (RBI)
API RP 581 - Risk Based Inspection Technology
API RP 582 - Welding Guidelines for the Chemical, Oil, and Gas Industries
API RP 583 - Corrosion Under Insulation and Fireproofing
API RP 584 - Integrity Operating Windows
API RP 585 - Pressure Equipment Integrity Incident Investigation
API RP 588 - Recommended Practice for Source Inspection and Quality Surveillance of Fixed Equipment
API RP 651 - Cathodic Protection of Aboveground Petroleum Storage Tanks
API RP 75 - Safety and Environmental Management System for Offshore Operations
API RP 751 - Safe Operation of Hydrofluoric Acid Alkylation Units
API RP 754 - Process Safety Performance Indicators for the Refining and Petrochemical Industries
API RP 934 - Materials and Fabrication of Heavy Wall Pressure Vessels for High-Pressure Hydrogen Ser
API RP 939-C - Guidelines for Avoiding Sulfidation (Sulfidic) Corrosion Failures in Oil Refineries
API RP 941 - Steels for Hydrogen Service at Elevated Temperatures and Pressures
API RP 970 - Corrosion Control Documents
API RP 982 - Inspection and Assessment of Refractory Linings
API TES - Tank Entry Supervisor
ASME Boiler and Pressure Vessel Code (BPVC)
ASME PCC-1 - Guidelines for Pressure Boundary Bolted Flange Joint Assembly
ASME PCC-2 - Repair of Pressure Equipment and Piping
ASME PCC-3 - Inspection Planning Using Risk-based Methods
Asset Integrity Management (AIM)
ASTM International
B Biofuels
Boiler Feed Water (BFW) Corrosion
Boiler Tubes
Brittle Fracture
Bureau of Safety and Environmental Enforcement (BSEE)
Carbonate Stress Corrosion Cracking
Cathodic Protection
Caustic Stress Corrosion Cracking
Chemical Processing Industry
Chemical Safety Board (CSB)
Chloride Stress Corrosion Cracking
CO2 Corrosion
Codes and Standards
Coker Units
Composite Repair
Computerized Maintenance Management System (CMMS)
Concrete Corrosion
Condition Based Monitoring (CBM)
Condition Monitoring Locations (CMLs)
Cooling Towers
Cooling Water Corrosion
Corrosion and Materials
Corrosion Circuit
Corrosion Control Documents (CCDs)
Corrosion Fatigue
Corrosion Loop
Corrosion Monitoring
Corrosion Under Insulation (CUI)
Critical Check Valves (CCV)
Crude Distillation Unit (CDU)
D Damage Mechanism Review (DMR)
Damage Mechanisms
Data Management
Dead Legs
Digital Twin
Drones - Unmanned Aerial Vehicles (UAVs)
E Eddy Current Testing (ECT)
Electric Power Research Institute (EPRI)
Electro Magnetic Acoustic Transducers (EMAT)
Energy Information Administration (EIA)
Engineering and Procurement
Environmental Protection Agency (EPA)
Erosion Corrosion
F Failure Analysis
Failure Mode and Effects Analysis (FMEA)
Fatigue (Material)
Federal Energy Regulatory Commission (FERC)
Fiber Reinforced Polymer (FRP)
Finite Element Analysis (FEA)
Fired Heaters
Fitness For Service (FFS)
Fixed Equipment
Flare Systems
Floating Production Storage and Offloading Vessels (FPSO)
Flue Gas Dew Point Corrosion
Fluid Catalytic Cracking Unit (FCCU)
Furnace Tubes
G Gas Processing
Geographic Information Systems (GIS)
Glass-lined Equipment
Green Rot
Guided Wave Ultrasonics (GWUT)
H Health, Safety, and Environment (HSE)
Heat Affected Zone (HAZ)
Heat Exchangers
HF Alkylation Units
High Temperature Hydrogen Attack (HTHA)
High-Temperature Creep
Hot Spots
Hydrochloric (HCl) Acid Corrosion
Hydrocracking Unit
Hydrofluoric (HF) Acid Corrosion
Hydrogen Bake-Outs
Hydrogen Blistering
Hydrogen Embrittlement
Hydrogen Induced Cracking (HIC)
Hydrogen Stress Cracking
Hydrostatic Testing
I In-line Inspection (ILI)
Industrial Cleaning
Infrared Inspection
Injection Points
Inspection Data Management System (IDMS)
Integrity Operating Windows (IOWs)
Internal Rotating Inspection System (IRIS)
International Organization for Standardization (ISO)
International Pressure Equipment Integrity Association (IPEIA)
J Joint Integrity Management
K Key Performance Indicators (KPIs)
L Laser Profilometry
Liquid Metal Embrittlement (LME)
Liquid Penetrant Examination (LPE)
Long Range Ultrasonic Testing (LRUT)
M Magnetic Flux Leakage (MFL)
Magnetic Particle Testing (MPT)
Management of Change (MOC)
Mechanical Integrity (MI)
Microbiologically Influenced Corrosion (MIC)
Naphthenic Acid Corrosion (NAC)
National Association of Corrosion Engineers (NACE)
National Board of Boiler and Pressure Vessel Inspectors
Nondestructive Testing (NDT)
O Occupational Safety and Health Administration (OSHA)
OSHA National Emphasis Program (NEP)
P Petrochemicals
Phased Array Ultrasonic Testing (PAUT)
Phosphoric Acid Corrosion
Picture Archiving and Communication Systems (PACS)
Pipe Supports
Pipeline Integrity Management
Pitting Corrosion
Polythionic Acid Stress Corrosion Cracking (PASCC)
Positive Material Identification (PMI)
Post Weld Heat Treatment (PWHT)
Power Generation
Pressure Relieving Devices (PRDs)
Pressure Vessels
Process Equipment
Process Hazards Analysis
Process Safety Incidents
Process Safety Management (PSM)
Pulsed Eddy Current (PEC)
Q Quality Assurance (QA)
Quality Control (QC)
Quantitative Reliability Optimization (QRO)
R Radio Frequency Identification (RFID)
Rapid Ultrasonic Gridding (RUG)
Recognized and Generally Accepted Good Engineering Practices (RAGAGEP)
Reliability Centered Maintenance (RCM)
Remote Visual Inspection (RVI)
Repair Welds
Risk-Based Inspection (RBI)
Risk-Based Work Selection (RBWS)
Root Cause Analysis
Rope Access
Rotating Equipment
S Small Bore Piping (SBP)
SNT-TC-1A - Personnel Qualification and Certification in Nondestructive Testing
Source Inspection
Spheroidization (Softening)
Spill Prevention Control and Countermeasure (SPCC) Regulations
Steam Reformers
Stress Assisted Corrosion
Stress Corrosion Cracking (SCC)
Stress-Oriented Hydrogen Induced Cracking (SOHIC)
Structural Inspection
Sulfidation Corrosion
Sulfide Stress Cracking (SSC)
Sulfuric Acid Corrosion
T Terminals
Thermal Fatigue
Thickness Measurement & Monitoring
Time of Flight Diffraction (TOFD)
Turnarounds & Shutdowns
U Ultrasonic Testing (UT)
United Steelworkers (USW)
V Vacuum Distillation Unit (VDU)
Vibration Analysis
Vibration-Induced Fatigue
Visual Inspection
W Weld Overlay
Wet H2S Damage

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