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Eastern Province · Nitrogen Purging

Nitrogen Purging Services in Khafji

Terminal and tank systems at Khafji must be gas freed before work. We plan purges so the job is done in one trip.

Nitrogen Purging in Khafji

Purging terminal systems in Khafji

Processing, storage and marine terminal facilities at Khafji hold hydrocarbon vapour that must be cleared before maintenance. Nitrogen purging in Khafji gas frees lines and vessels, inerts them before return to service and supports offshore scopes prepared from the shore base.

We purge to a measured target. The system volume, purge method, injection and vent points and the oxygen or hydrocarbon limit are agreed before nitrogen is introduced.

Most nitrogen purging jobs in Khafji are part of a wider joint repair, so the same crew can also handle bolt torquing in Khafji and the other services below. For methods, equipment and standards, see our main nitrogen purging services in KSA page.

Plant piping with valves and flanged connections
Nitrogen Purging for plants in Khafji
Typical jobs

Nitrogen Purging jobs we do in Khafji

Work we are regularly asked for at offshore support, terminals sites in and around Khafji.

01

Tank connection gas freeing

Purging tank connections and lines before valve and flange work.

02

Nitrogen leak testing

Pressurising systems with nitrogen and checking every flanged joint before process gas goes in.

03

Pre-start-up inerting

Removing air from systems before hydrocarbons are introduced after a shutdown or for the first time.

How it works

Our nitrogen purging process in Khafji

Four steps, run under your permit-to-work system and recorded for your files.

  1. Plan the purge

    We set the volume, method, sample points and target with your operations team.

  2. Set up supply

    Liquid nitrogen with vaporisers or cylinder packs are positioned with relief protection.

  3. Purge and sample

    Flow and pressure are controlled while readings are taken at agreed points.

  4. Confirm and record

    Consecutive readings meet the target, are witnessed and handed over in writing.

Mobilization

Getting a nitrogen purging crew to Khafji

Khafji is the furthest point north on our Eastern Province routes. We plan each trip so the work is finished in one visit.

Machines, tools and consumables are checked against your scope before departure, and the crew arrives with PPE, permits planned and the paperwork your site asks for.

Calibrated equipment

Instruments and tools travel with current calibration certificates, listed in the job record.

Single point of contact

One supervisor coordinates nitrogen purging with bolting and the other joint services on the Khafji job.

FAQ

Nitrogen Purging in Khafji: common questions

Do you bring nitrogen supply to Khafji?

Yes. We arrange liquid nitrogen or cylinder packs sized to the systems, so the work can be finished in one visit.

What oxygen level do you purge to in Khafji?

The target is set by your site procedures and the next activity. Inerting before hydrocarbons go in commonly aims for a low single-digit oxygen percentage or less, agreed before we start.

Can you supply nitrogen for jobs in Khafji?

Yes. We arrange liquid nitrogen with vaporisers for large volumes or cylinder packs for smaller systems, or use the supply already on site.

Request a quote

Request nitrogen purging in Khafji

Send the system details at Khafji. We will plan the trip and reply with a price.

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