Pipeline Maintenance and Repair
Expert-defined terms from the Postgraduate Certificate in Pipeline Integrity Management course at London School of International Business. Free to read, free to share, paired with a globally recognised certification pathway.
Aboveground Installations #
Facilities and equipment associated with pipelines that are located aboveground, such as pump stations, valve sites, and metering stations.
ACFM (Alternating Current Field Measurement) #
A non-destructive testing (NDT) technique used to detect and size external and internal corrosion in pipelines.
ACWI (Automated Corrosion Warning System) #
A system that monitors the cathodic protection current and alerts operators when the current falls outside of the predetermined limits.
Anomaly #
A deviation from the normal or expected condition of a pipeline, such as a dent, corrosion, or crack.
API (American Petroleum Institute) #
An organization that develops and publishes standards for the oil and natural gas industry, including pipeline integrity management.
ASME (American Society of Mechanical Engineers) #
An organization that develops and publishes codes and standards for the engineering and manufacturing industries, including pipeline integrity management.
ASTM (American Society for Testing and Materials) #
An organization that develops and publishes standards for testing and materials, including pipeline materials and coatings.
Batch Inspection #
A method of inspecting pipelines in which a specific volume of product is inspected for defects or anomalies.
Bend Stress #
The stress that occurs in a pipeline when it is bent or curved, which can lead to deformation or failure.
Burst Pressure #
The maximum pressure that a pipeline can withstand before it fails.
Cathodic Protection #
A method of protecting pipelines from corrosion by applying a protective current to the pipeline to counteract the corrosive effects of the environment.
CIS (Computerized Inventory System) #
A system that tracks and manages the inventory of pipeline materials and supplies.
CLR (Corrosion Loop Resistance) #
A measure of the resistance of a pipeline coating to corrosion.
Coating #
A material applied to the exterior of a pipeline to protect it from corrosion.
CP (Cathodic Protection) #
A method of protecting pipelines from corrosion by applying a protective current to the pipeline to counteract the corrosive effects of the environment.
CPP (Close Interval Potential Profile) #
A method of measuring the voltage along a pipeline to detect areas of corrosion.
Corrosion #
The deterioration of a pipeline due to chemical or electrochemical reactions with its environment.
Corrosion Coupon #
A piece of metal used to measure the rate of corrosion in a specific environment.
Corrosion Rate #
The speed at which a pipeline is corroding.
CR (Corrosion Resistance) #
The ability of a pipeline material to resist corrosion.
DCVG (Direct Current Voltage Gradient) #
A method of measuring the voltage along a pipeline to detect areas of corrosion.
DCVI (Direct Current Voltage Indication) #
A method of measuring the voltage along a pipeline to detect areas of corrosion.
DE (Data Extraction) #
The process of extracting data from a pipeline inspection tool.
DEP (Department of Environmental Protection) #
A government agency responsible for protecting the environment and public health.
DET (Direct Examination Technique) #
A method of inspecting pipelines using visual or mechanical means.
DF (Data Flow) #
The movement of data through a pipeline inspection tool.
DFT (Depth of Fitting) #
The depth to which a fitting or component is recessed into a pipeline.
DFW (Data File Writer) #
A device that writes data from a pipeline inspection tool to a storage medium.
DI (Direct Inspection) #
A method of inspecting pipelines using visual or mechanical means.
DIP (Direct Inspection Pressure) #
The pressure used during a direct inspection of a pipeline.
DL (Data Link) #
The connection between a pipeline inspection tool and a data storage or analysis system.
DMA (Data Management Assistant) #
A software tool used to manage and analyze data from pipeline inspections.
DMD (Data Management Database) #
A database used to store and manage data from pipeline inspections.
DOFS (Depth of Fault) #
The depth to which a fault or anomaly extends into a pipeline.
DP (Data Processing) #
The conversion and interpretation of raw data from a pipeline inspection tool.
DPI (Data Processing Interface) #
The connection between a pipeline inspection tool and a data processing system.
DR (Dielectric Response) #
The ability of a pipeline coating to resist the flow of electrical current.
DS (Data Storage) #
The storage of data from a pipeline inspection tool.
DSA (Data Storage Assistant) #
A software tool used to manage and store data from pipeline inspections.
DSD (Data Storage Database) #
A database used to store and manage data from pipeline inspections.
DSI (Direct System Interface) #
The connection between a pipeline inspection tool and a direct data analysis system.
DSS (Direct System Software) #
Software used to analyze data from a pipeline inspection tool in real-time.
DT (Data Transmission) #
The transfer of data from a pipeline inspection tool to a storage or analysis system.
DU (Data Utility) #
A software tool used to manage and analyze data from pipeline inspections.
DVB (Direct Visual Bore) #
A method of inspecting pipelines using visual means.
ECDA (External Corrosion Direct Assessment) #
A method of assessing the external corrosion of a pipeline using a combination of inspection and analysis techniques.
ECD (External Corrosion) #
Corrosion that occurs on the exterior of a pipeline due to exposure to the environment.
EMI (Electromagnetic Interference) #
Interference caused by electromagnetic fields that can affect the operation of a pipeline inspection tool.
EO (Engineering Order) #
An instruction given to a pipeline maintenance and repair team to perform specific work.
ERW (Electric Resistance Welded) #
A method of welding in which heat is generated by passing an electric current through the metal to be welded.
Excavation #
The process of digging up a pipeline for inspection, maintenance, or repair.
Explosion #
Proof: Equipment that is designed to contain an explosion or prevent the ignition of flammable gases or vapors.
External Corrosion #
Corrosion that occurs on the exterior of a pipeline due to exposure to the environment.
FCI (Flow Control Interface) #
The connection between a pipeline inspection tool and a flow control system.
FE (Failure Evaluation) #
The process of determining the cause of a pipeline failure.
FEP (Fluorinated Ethylene Propylene) #
A type of plastic used for pipeline coatings.
Fiber Optic #
A type of cable that uses light to transmit data or signals.
FIS (Flow Isolation System) #
A system used to isolate a section of pipeline for inspection or maintenance.
FL (Flow Line) #
A pipeline used to transport fluids from a wellhead to a processing facility.
FMD (Fitness #
for-Service Determination): The process of evaluating the structural integrity of a pipeline to determine its suitability for continued service.
Force Main #
A pipeline used to transport sewage or wastewater under pressure.
FRA (Fatigue Analysis) #
The process of analyzing the effects of cyclic loading on a pipeline.
FRA ( #
FRA (