Pipeline Services

PNS – Al Arabia Industrial Services (AIS) provide a full range of pipeline pre-commissioning, de-commissioning and umbilical services to the international oil and gas industries, lay barge and subsea contractors. These services include project engineering, flooding, cleaning, gauging, pigging, hydrostatic testing, dewatering and drying.

A combination of experienced personnel coupled with a considerable investment in the appropriate equipment has allowed PNS to become a major player in the pipeline services marketplace.

PNS - We have combined competence with the latest technology available

PNS Services are applied during the whole lifecycle of the pipeline.

Pipelines always involve work to be executed under the most difficult circumstances. Pipelines cross deserts, mountains, rivers, lakes and domestic area's. It is vital that pipelines are tested upon strength, are leak tight and cleaned and inspected regularly. PNS have developed a complete pipeline commissioning maintenance and decommissioning package to safeguard safe and smooth pipeline operation during the whole life cycle of this valuable asset.

PNS Pipeline Services are executed during; Construction, Commissioning, Operation, Maintenance, Inspection and Abandonment.

PNS Pipeline Services:


  • Pipeline flooding testing & dewatering


  • Pipeline geometry surveys


  • Pipeline drying using air


  • Pipeline drying using nitrogen


  • Nitrogen pipeline product displacement pigging


  • Pipeline mechanical cleaning (pigging an filtering)


  • Pipeline chemical cleaning


  • Internal pipeline coating



  • Pipe freezing


  • Intelligent pigging


  • Dry-powder product decontamination (filtering of gas and ethylene lines)


The PNS Ethylene Filter Unit prevents:

Contaminated product (product loss)
Plugging of instrumentation lines.

The Pipeline Nitrogen Services Ethylene Filter is a mobile twin filter unit, designed for online pipeline pigging operations. The unit’s design pressure is 100 bar(g) with a temperature range of -20 to 50˚ C. This makes the unit applicable for several petrochemical products. The unit is designed to filter out dust from dry gas or ethylene pipelines. The filter capacity is 60 T on per hour at continuous operation.

Gamma Scanning

Are you experiencing problems with the operation of your process column?
Operational issues such as downtime, lowered Yields, reduced throughput or off- spec products are very expensive for your company. PNS Gamma Scan is a quick, reliable and cost effective method of determine what is happening inside your column. Our methods are non intrusive and are performed while your column is still operating to effectively minimize your downtime and help save you money.

When should you use Gamma Scanning on your towers?

Operational T roubleshooting - Determine the location and extent of tower problems

De-bottlenecking operations - Locate bottlenecks and define process limits

Pre-shutdown planning - Timelines, order equipment and schedule personnel

Baseline Scans - Base reference point of operating conditions within the tower Preventive maintenance - Determine how the tower is responding over time