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Overview of In-line Inspection (ILI)
In-line Inspection (ILI) involves the evaluation of pipes and pipelines using “smart pigs” (both tethered and non-tethered) that utilize non-destructive examination techniques to detect and size internal damage. ILI measures and records irregularities in pipelines including corrosion, cracks, deformations, or other defects.
ILI is a common practice throughout the oil and gas industry and has proven invaluable for examining extensive pipelines. It makes inspecting the condition of long stretches of pipelines, a task that used to be incredibly expensive and time consuming, far more easy and economical.
There are several different types of smart pigs utilized in ILI activities, each with its own set of advantages and disadvantages. Some are more effective at detecting certain types of corrosion or damage in different types of pipes, depending on their NDE capabilities. More recently though, some manufacturers are combining the various functions of these separate tools into one. This way a single tool can now be used to detect several different types of damage, making it more efficient and effective.
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Hydrostatic Testing Nondestructive Testing (NDT) Visual Inspection
Articles about In-line Inspection (ILI)
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BlogJanuary 9, 2019 By John Reynolds at Intertek
The 2019 API Inspection and Mechanical Integrity Summit will be kicking off later this month in Galveston, TX. This four-day event will begin with 14 high level training courses offered Monday, January 28th, and then a top notch conference and...
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November/December 2017 Inspectioneering JournalBy Elizabeth Allen at DNV GL, and Michelle Havlock at DNV GL
This article explains the Statistically Active Corrosion Assessment, which is a tool for determining appropriate and realistic corrosion growth rates which can assist pipeline operators in optimizing the value of in-line inspection data.
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March/April 2017 Inspectioneering JournalBy Matt Ellinger at DNV GL
The purpose of this article is to describe the various in-line inspection (ILI) technologies that are currently available to the market. The pros, cons, and applicability of each type of tool will be discussed in greater detail.
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Gains with Advanced Data Assessment in ILI: Leveraging pipeline data to eliminate risk, prioritize and schedule necessary repairsMay/June 2015 Inspectioneering JournalBy Ian D. Smith, P.Eng. at Quest Integrity Group, and Michael McGee at Quest Integrity Group
For traditional in-line inspection (ILI) vendors, considering 21.4 miles of a piggable 4” diesel pipeline is typically not a big deal. However, significant threats like 3rd party damage and external corrosion seem to come with the territory in...
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Combining High Resolution In-Line Geometry Tools and Finite Element Analysis to Improve Dent AssessmentsMay/June 2015 Inspectioneering JournalBy Rhett Dotson, P.E. at Stress Engineering Services
Historically, regulations regarding dent severity have been governed by one of two metrics: dent depth or strain. In the case of the former, plain dents with a depth up to 6% of the nominal diameter are permitted in both gas and liquid pipelines....
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May/June 2015 Inspectioneering JournalBy Vibha Zaman, P.E. at Asset Optimization Consultants, and Peter Dsouza at LyondellBasell
Verifying pipeline integrity is particularly challenging due to the difficulty of pipeline access, as well as the limitations in available technology to perform subsea wall thickness inspections. These challenges require action rather than reaction.
Videos related to In-line Inspection (ILI)
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Sponsored Video Published on June 14, 2017Effective pipeline integrity management has been problematic for a large number of pipelines that were not designed for in-line inspection. Quest Integrity understands the complexities involved with this challenging segment and offers a...
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Sponsored Video Published on May 15, 2017InVista Subsea, an advanced ultrasonic ILI tool from Quest Integrity, provides a solution for challenging and difficult-to-inspect subsea pipelines.
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Events related to In-line Inspection (ILI)
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June 10 - 11 2020Location: Houston, Texas, United States
Hosted By: Petrochemical Update
Dates: June 10, 2020 - June 11, 2020
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May 11 - 15 2020Location: Galveston, Texas, United States
Hosted By: Refining Community
Dates: May 11, 2020 - May 15, 2020
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April 20 - 23 2020Location: New Orleans, Louisiana, United States
Hosted By: American Petroleum Institute
Dates: April 20, 2020 - April 23, 2020
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April 28 - 30 2020Location: San Diego, California, United States
Hosted By: American Petroleum Institute
Dates: April 28, 2020 - April 30, 2020
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March 10 - 11 2020Location: West Conshohocken, Pennsylvania, United States
Hosted By: ASTM International
Dates: March 10, 2020 - March 11, 2020
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March 15 - 19 2020Location: Houston, Texas, United States
Hosted By: NACE International
Dates: March 15, 2020 - March 19, 2020
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November 16 - 19 2020Location: Denver, Colorado, United States
Hosted By: American Petroleum Institute
Dates: November 16, 2020 - November 19, 2020
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February 24 - 28 2020Location: Banff, Alberta, Canada
Hosted By: IPEIA
Dates: February 24, 2020 - February 28, 2020
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June 17 - 19 2020Location: Sugar Land, Texas, United States
Hosted By: ASNT
Dates: June 17, 2020 - June 19, 2020
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February 17 - 20 2020Location: Houston, Texas, United States
Hosted By: Clarion Technical Conferences
Dates: February 17, 2020 - February 20, 2020
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February 19 - 20 2020Location: Baton Rouge, Louisiana, United States
Hosted By: MTI
Dates: February 19, 2020 - February 20, 2020
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October 12 - 15 2020Location: Nashville, Tennessee, United States
Hosted By: American Petroleum Institute
Dates: October 12, 2020 - October 15, 2020
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February 25 2020Location: Online Webinar
Hosted By: Johns Manville
Dates: February 25, 2020
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February 17 - 20 2020Location: Houston, Texas, United States
Hosted By: Clarion Technical Conferences
Dates: February 17, 2020 - February 20, 2020
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