With EXPLORER iLi, There are no Unpiggable Pipes

We have come to set the standard for robotic inline inspection services, providing superior knowledge and actionable insights enabling our customers to maintain safe operations and effectively preserve and protect their most valuable assets.

Typical EXPLORER iLi Use Case Scenarios:

  • 192 Compliance
  • Risk Reduction and Asset Protection
  • In lieu of Hydrotest or Pre-Hydrotest
  • In lieu of ECDA or validation of ECDA at difficult to access areas
  • Inspection of cased crossings
  • Inspection scenarios where service disruption is not a viable option
    • Roads, highways, and intersections
    • Urban buildings and suburban neighborhoods
    • Railways, railyards, and subways
    • Rivers, lakes, and canals
    • Bridges, overpasses, and other transport infrastructure

Browse Some of Our Real EXPLORER iLi Use Case Scenarios


Tank Farms in North Maryland and New Jersey

The client’s tank farms which distribute diesel, gasoline, and oil had never previously been inspected and they were interested in accurately evaluating the integrity of their assets. The client also valued highly accurate data and a shorter time to complete inspections in order to minimize service disruptions.

The pipes at the tank farms had no launchers and no receivers. They also featured many bends, making them challenging for inline inspection.

Using an 18ft cutout for launch, we bidirectionally inspected the drained and cleaned pipes. From the entry point, the EXPLORER iLi robot inspected toward the manifold side and then reversed direction to return to the entry point and proceed toward the tank side to complete the remainder of the inspection.

10 to 14 inch diameter
EXPLORER iLi 20/26

Pipe Diameter: 24″

Self-Propelled Inspection Speed: 20ft/min

Length of Inspections: 860ft, 1050ft, 1800ft, 2000ft

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Explorer 20-26


Terminal Pipes in North Carolina, Florida, and Texas

These gasoline and diesel terminal pipelines were never previously inspected, leaving our client concerned about the status of their assets.

After being drained and cleaned, our EXPLORER iLi robots were launched via cutout segments of the pipe or via above ground features to complete inspections.

These terminal pipes had no launchers and no receivers. They also featured many bends, making them challenging for inline inspection. The client also valued a quicker inspection time in order to limit the time the terminal would be out of service. Our EXPLORER iLi robots were able to complete multiple inspections over the course of a week to get our client the data they needed as efficiently as possible.

10 to 14 inch diameter
EXPLORER iLi 8, 10/14, 16/18

Pipe Diameter: 8″, 10″, 16″

Self-Propelled Inspection Speed: 20ft/min

Length of Inspections: 1200ft, 1350ft, 1400ft

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Explorer 8


California

Using pre-existing inspection infrastructure is yet another attractive capability of our EXPLORER iLi fleet. However, when a California client needed inspection of one of their pipelines that traversed a section of swampy wetland, typical methodologies were failing them. Although the pipeline could be inspected using traditional and conventional technologies, the customer was experiencing significant data degradation due to numerous speed excursions throughout the pipe.

With what seemed like no alternative options, the customer turned to Pipetel. Using their existing entrance and exit tubes, we were able to deploy our EXPLORER iLi 10/14 for the inspection. And because all our iLi robots operate under controlled speed, EXPLORER iLi was able to extract extremely high-accuracy data for the length of the pipeline, providing the customer with the necessary data for them to accurately assess the status of their asset.


10 to 14 inch diameter
EXPLORER iLi 10/14

Pipe Diameter: 10″, 12″, 14″

Rated Pressure: 750psi

Self-Propelled Inspection Speed: 20ft/min

Bypass: 50%

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Explorer_10-14


Mississauga, ON

One of our longest inspections required one of our largest robots. The EXPLORER iLi 30/36 was used in a predominantly suburban setting where we needed to transverse a school, playground, soccer and baseball fields, as well as a number of homes. Using our inline charging technology, we were able to facilitate the long and winding inspection of 2 miles with little disruption to the neighborhood and no interruption in gas service.


30 to 36 inch diameter
EXPLORER iLi 30/36

Pipe Diameter: 30″, 36″

Rated Pressure: 750psi

Self-Propelled Inspection Speed: 20ft/min

Bypass: 50%

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Explorer iLi 30-36


California

With a pipeline suspended from a bridge, our customer had virtually no options for an effective pipeline inspection. ECDA was unfeasible and hydro-testing would produce few data points. But our EXPLORER iLi 10/14 was a perfect solution without compromise. Untethered and self-propelled, we were not only able to extract near-perfect data from the pipeline, but we were able to provide far more sensor data than they had anticipated.


10 to 14 inch diameter
EXPLORER iLi 10/14

Pipe Diameter: 10″, 12″, 14″

Rated Pressure: 750psi

Self-Propelled Inspection Speed: 20ft/min

Bypass: 50%

+ See all robot specifications

Explorer_10-14


New York City, NY

When our customer needed to inspect a pipeline in one of the most congested cities in the world, they turned to Pipetel for a solution. Not only did we require a nominal footprint for entry and exit, we were able to conduct the inspection, extracting top-quality data, with a minimal impact on traffic and no impact on gas services.


8 inch diameter
EXPLORER iLi 8

Pipe Diameter: 8″

Rated Pressure: 750psi

Self-Propelled Inspection Speed: 20ft/min

Bypass: 50%

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Explorer iLi 8


Jersey City, NY

When PSE&G needed 2.2 miles of pipeline integrity verified, they turned to Pipetel for their inspection. With more than 50% of their pipeline in the area unsuitable for conventional inspection, the customer wanted a solution that eventually could scale. Using our EXPLORER iLi 20/26, we were able to complete the inspection with no disruption to gas services while crossing challenging landscape and the Hackensack river.

PSE&G – Pig in a pipeline: New robot roots out trouble before it happens

By Karen A. Johnson – This article has been approved for reproduction by PSE&G

For years, utilities like PSE&G have used equipment called “pigs” to inspect the inside of gas pipes for corrosion, damage by excavators and other signs of trouble that could cause leaks and, in extreme cases, explosions like the one that rocked San Bruno, California, in 2010.

A pipeline pig, which is said to make a squealing noise as it moves through the pipe, normally is propelled by the speed of the gas flowing through the transmission main, while sensors measure corrosion and any thinning of the pipe wall.

“PSE&G maintains about 61 miles of gas transmission pipelines that serve our system,” said George Ragula, distribution technical leader – gas asset strategy. “In about 30 of those miles, we are unable to use a standard pig because the flow of gas is too low to propel it. We need a more advanced way to perform inspections of these pipes to meet federal safety guidelines.”

Working through NYSEARCH, a project management organization leading a research and development consortium, PSE&G and other utilities funded development of a new robotic “smart” pig called Explorer – a self-propelled, more flexible piece of equipment that can easily navigate a pipeline’s twists and turns. Manufactured and operated by Pipetel, the robot also can provide lots of detailed information about the pipe’s condition.

“PSE&G is the first utility in New Jersey to use this new robot, which recently inspected 2.2 miles of pipeline between Jersey City and Kearny, including under Newark Bay,” Ragula said. “Thankfully, the robot didn’t detect any immediate issues with the pipe, which was installed 40 years ago.”

Ragula said PSE&G will use the more advanced pipeline pig to inspect most of its 30 miles of transmission pipes in the future. “Because it provides measurable data, this new robot will help PSE&G ensure that its infrastructure is as safe and reliable as it can be,” he said.


20 to 26 inch diameter
EXPLORER iLi 20/26

Pipe Diameter: 20″, 22″, 24″, 26″

Rated Pressure: 750psi

Self-Propelled Inspection Speed: 20ft/min

Bypass: 50%

+ See all robot specifications

Explorer iLi 20-26


Poughkeepsie, NY

When Central Hudson Gas & Electric Corporation needed to inspect a 3,000-foot section of their natural gas transmission line, they turned to Pipetel. Using our EXPLORER iLi 16/18 series of robots, the inspection took a mere 8 hours and did not require disruption to transmission service nor did it interrupt roadway traffic. The data collected is helping shape their maintenance programs, ensuring the reliability for the system, while enhancing safety. Central Hudson has inspected over 18,500 feet of natural gas transmission line using our EXPLORER iLi robots.

Story References


16 to 18 inch diameter
EXPLORER iLi 16/18

Pipe Diameter: 16″, 18″

Rated Pressure: 750psi

Self-Propelled Inspection Speed: 20ft/min

Bypass: 50%

+ See all robot specifications

Explorer 16-18


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