Liquid Pipeline Courses

The eWebOQ® Liquid Pipeline Library examines topics pertinent to the operation and maintenance of hazardous liquids pipelines subject to DOT regulations in 49 CFR 195.

*Includes Performance Checklist


LQ100 LQ: Subpart H – Corrosion Control (30 mins)

Examines Corrosion Control regulations and other CFR Title 49 Part 195 provisions. Other topics include: pipeline patrols; population changes and encroachments; underwater inspection and reburial of pipelines in the Gulf of Mexico; and inspection of exposed pipelines, right-of-way markers, in-service breakout tanks, and rectifiers.


*LQ201 LQ: Pipeline Patrol (50 mins)

Explains the methods of pipeline patrols, required inspections, and inspection intervals. Visual inspections include adequate pipeline cover, line markers and signs, exposed sections of pipelines, corrosion, crossings, changes in population, breakout tanks, and leak surveys. Electrical inspections include rectifiers and electrical insulators. Right-of-way maintenance is also discussed.


*LQ202 LQ: Pressure Testing Steel Pipelines (35 mins)

Explains the requirements for pressure testing steel pipelines. Some topics covered are water handling, pipe design, establishing MOP, pressure testing requirements, test preparation, and the pressure testing procedure.


*LQ300 LQ: Marking Pipelines – Temporary and Permanent (65 mins)

Addresses key regulations for pipeline safety and corrosion control, including: excavation backfilling for liquid pipelines; location, installation, and maintenance of permanent pipeline marker signs; corrosion inspection for uncovered pipelines; continuing education; written damage prevention programs; one-call systems; responsibility for facility locations; temporary pipeline marking; symbols; qualifications to perform pipeline location and marking; excavation near pressurized pipelines; safety buffer zones; and abnormal operating conditions.


*LQ400 LQ: Below Ground Pipe Coatings & Exposed Pipe (85 mins)|

Addresses belowground pipeline coating for hazardous liquid pipelines, remedial actions when exposed pipeline is located, pipe coating removal, pipeline operator responsibilities, marking exposed pipeline, pipe surface preparation, coating material preparation and application, jeeping, and abnormal operation conditions.


*LQ415 LQ: Installation of Anodes (50 mins)

Addresses cathodic protection and test lead installation on liquid pipeline systems, terms associated with galvanic anode installation, the galvanic anode theory, types of anodes and their uses, calculations for sacrificial anode output and expected life, anode installation, cable bonding and exothermic welding techniques, and abnormal operating conditions.


*LQ416 LQ: Conduct Annual Surveys (110 mins)

Examines pipeline safety regulations with regard to: testing frequency of cathodically protected pipelines, including bonds, and buried or submerged pipelines, measurement of tank bottom-to-soil potentials, handling abnormal operating conditions during annual surveys, measurement of pipe-to- soil, tank bottom-to-soil, and casing-to-soil potentials and the electrical criteria used to determine adequate protection, electrode (half-cell) maintenance: placement of an electrode (half-cell) and use of multi-meter while taking potentials reading, foreign electrical interference, and foreign line interference testing.


*LQ501 LQ: Cathodic Protection Troubleshooting (70 mins)

Examines cathodic protection rectifiers, including: instruments used to troubleshoot rectifiers and cathodic protection systems, troubleshooting precautions and procedures, abnormal operating conditions, common operational problems, rectifier repair techniques, and basic troubleshooting techniques used when locating contacts.


*LQ502 LQ: Rectifier Inspections (80 mins)

Examines conditions for corrosion cell function, types of pipeline corrosion cells, requirements for liquid pipeline systems, controlling corrosion on pipelines and above ground storage tanks, cathodic protection testing, installation of test leads, cathodic protection rectifier inspections, and recognizing and reacting to abnormal operating conditions.


*LQ504 LQ: Installation of Tests Stations (50 mins)

Addresses terms associated with exothermic welding procedures; test stations and cathodic protection regulations; test stations used for pipe-to-soil surveys; test station installation methods; performing pull tests; test station materials, spacing, and location; and recognizing and reacting to abnormal operating conditions.


*LQ508ACDC LQ: Interference: A/C and D/C (60 mins)

Teaches operating personnel about: foreign interference; static, dynamic, and AC-induced stray currents; calculating circuit resistance of a bond; and eliminating stray current interference.


*LQ707 LQ: Introduction to Compressor and Pump Operations (85 mins)

Explores the purpose, types, and basic functions of natural gas compressors and pipeline pumps; starting and stopping procedures for a products pump; the functions of the devices used to prevent pipeline overpressure, including relief valves, monitor regulators, regulators, pressure switches, and pressure transmitters.


*LQ800 LQ: Pipeline System Control (65 mins)

Explores the basic definitions of a liquid pipeline system, duties and responsibilities of a pipeline controller, types of pipeline control and their regulations, calculations on safe and timely product delivery, SCADA and SCADA monitoring systems, and procedure and follow-up actions for emergency response.


*LQ901 LQ: Programmable Logic Controllers (125 mins)

Addresses the type of equipment the PLC replaces and the PLC application; functions of PLC hardware components; PLC modes of operation; PLC memory function; PLC installation in various environments; calibration and check-out of analog loops in a PLC, including zero and span adjustments; proper operation of discrete I/O in a PLC; documenting PLC calibration and check-out; basic troubleshooting: PLC ladder logic concepts and changes; PLC timers and counters, including function and on-site changes; adjusting PLC pressure set points on-site; implementing PLC programs on-site; documenting PLC program changes; and regulatory requirements for the use of PLC’s in the pipeline industry.


*LQ902 LQ: Pressure Switches (50 mins)

Examines the functions of a pressure switch; absolute and gauge pressure; primary and secondary calibration standards; pressure switch inspection, operational testing, and calibration; federal regulations; and abnormal operating conditions.


*LQ903 LQ: Pressure Transmitters (60 mins)

Examines pressure transmitter functions; absolute and gauge pressure; primary and secondary calibration standards; pressure transmitter inspection, operational testing, and calibration; documenting calibration results; applicable federal regulations; and abnormal operating conditions.


*LQ0271 LQ: Meter Maintenance and Proving (35 mins)

Discusses meter proving, maintenance, and methods used in leak detection. AOCs relevant to meter proving are included.


*LQ0293 LQ: Flushing and Purging Pipeline Systems (40 mins)

Explains general guidelines for flushing and purging pipeline systems using several methods, including low-point drains and pig displacement. Safety precautions and abnormal operating conditions (AOCs) for flushing and purging are also discussed.


*LQ0401 LQ: Inspecting and Testing Control Valves (25 mins)

Explains the operation and design of control valves, the process for inspecting a control valve, and abnormal operating conditions that may be encountered during inspection and testing.


LQ1012 LQ: Abnormal Operations (15 mins)

Explains abnormal operations for liquids pipelines and how they should be resolved.


*LQ1100 LQ: Cathodic Protection – Aboveground Storage Tanks (70 mins)

Addresses conditions for corrosion cell function; corrosion on metal structures; anodic and cathodic area functions and roles in protecting against metal loss on aboveground steel storage tanks; stray (interference) currents and direct current (DC); general and pitting corrosion; types of corrosion cells on steel storage tanks; galvanic (sacrificial) anodes and impressed current systems; external corrosion control testing intervals for cathodic protection systems and breakout tank inspections; insulated (electrical isolation) joints and protective coatings; anode operation and installation; measuring tank bottom-to-soil potential readings while considering the IR drop and at the center of the tank bottom; and abnormal operating conditions pertaining to rectifier inspections.


*LQ1102 LQ: Inspection – Aboveground Storage Tanks (60 mins)

Addresses tank shell inspections in accordance with API-575 Inspection of Atmospheric and Low-Pressure Storage Tanks; corrosion cell function; how corrosion occurs where electrical current leaves or flows from a metal structure; anodic and cathodic area functions and roles in protecting against metal loss on aboveground steel storage tanks; stray (interference) currents and direct current (DC); general and pitting corrosion; types of corrosion cells on steel storage tanks; applying cathodic protection; galvanic (sacrificial) anodes and impressed current systems; external corrosion control testing intervals for cathodic protection systems and breakout tank inspections; and abnormal operating conditions pertaining to rectifier inspections.


*LQ1641 LQ: Pigging – Launching and Receiving (55 mins)

Introduces pipeline pigging and pigging safety. This course also explores operational considerations when pigging, launching and receiving a pig, and abnormal operating conditions associated with pigging.


*LQ2350 LQ: Aboveground Storage Tank Overfill Protection (70 mins)

Addresses the aboveground storage tank overfill protection program outlined by API 2350 and the NFPA 30 recommended practices, overfill protection requirements. It also covers state regulatory agency impact, Class I liquids, overfill protection written procedures, product transfer written procedures, tank alarm levels and equipment for attended and unattended tank facilities, and abnormal operating conditions.


 <Back to Training