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The interior bore of a large pipe receding to a faint light ring

Services · Robotic and AI-Assisted Inspection

Pipeline RT Crawlers (TCR-Owned)

Saudi Aramco Engineering Report SAER-13115, dated 8 September 2025, names TCR as the technology provider and records USD 4,980,000 of documented cost avoidance over five years, close to an eighty percent reduction.


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Overview

The pipeline RT Crawler fleet (developed in-house at TCR) sits at TCR Engineering and TCR Arabia. The Saudi Aramco-approved Internal RT Crawler is the public flagship.

Saudi Aramco Internal RT Crawler

Engineering Report SAER-13115 dated 8 September 2025 names TCR as technology provider, with $4,980,000 documented cost avoidance over five years (approximately 80 percent reduction).

Saudi Aramco approved Radiographic Standard Procedure TCR.QCP.REV-02 (2023) is conformant with SAEP-1143 (Engineering Procedure for Radiographic Examination, 6 September 2020).

SpecificationValue
Diameter range16 inch to 52 inch
X-ray heads160, 200, 300 kV at 5 mA
Positioning accuracy±5 mm
Operating temperatureminus 10 to plus 70 degrees Celsius
Documented cost avoidance$4.98 million over 5 years

Track Record on Cross-Country Pipelines

  • 14,000+ pipeline girth welds radiographed across 2600+ kilometres of cross-country mainline (see Pipeline Radiography).
  • 9,266 weld joints digitally scanned and cloud-archived on a single project (EnProCon TJTC Kolar).
  • 20+ named cross-country pipeline projects with 15+ master contractors.
  • First non-GCC cross-border deployment: Nepal Oil Corporation MAPL Phase II via Likhita Infrastructure under Nepal Oil Corporation permission Ref 2080/81 dated 30 July 2023.

Related insights

2 published insights on this site bear directly on Pipeline RT Crawlers. They are shown below alongside the most recent Robotic Inspection work, and the full index carries all 4.

Read all 4 Robotic Inspection insights →All insights →

Frequently asked questions

What pipe sizes does the Internal RT Crawler inspect?

The Saudi Aramco-approved Internal RT Crawler covers pipeline diameters from 16 inch to 52 inch, carrying X-ray heads rated 160, 200 and 300 kV at 5 mA. Positioning accuracy is plus or minus 5 mm, and the crawler operates from minus 10 to plus 70 degrees Celsius.

Is the RT Crawler approved by Saudi Aramco?

Yes. Saudi Aramco Engineering Report SAER-13115, dated 8 September 2025, names TCR as the Internal RT Crawler technology provider, with USD 4,980,000 documented cost avoidance over five years, approximately an 80 percent reduction. Radiographic procedure TCR.QCP.REV-02 is conformant with SAEP-1143, the Aramco engineering procedure for radiographic examination.

What cross-country pipeline track record supports the crawler fleet?

TCR has radiographed 14,000+ pipeline girth welds across 2,600+ km of cross-country mainline, spanning 20+ named pipeline projects with 15+ master contractors. On a single project, EnProCon TJTC Kolar, 9,266 weld joints were digitally scanned and cloud-archived. The crawler fleet sits at TCR Engineering and TCR Arabia.

Has the RT Crawler worked outside the GCC?

Yes. The first non-GCC cross-border deployment was Nepal Oil Corporation's MAPL Phase II, executed via Likhita Infrastructure under Nepal Oil Corporation permission Ref 2080/81 dated 30 July 2023. The fleet, developed in-house at TCR, operates from both TCR Engineering in India and TCR Arabia in Saudi Arabia.

Crawl the pipeline weld, radiograph from inside.

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