Desert oil and gas gathering facility in the Middle East
Field results

Case studies

Results from live valve maintenance in hard field conditions.

In brief

Cleaners, lubricants and sealants can cut costs, stop passing and reduce fugitive emissions. These cases show how selected products worked during live field service.

Case directory

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Wellhead Passing

Wellhead valves at ADCO Bab Field

The valves stopped passing and worked more smoothly during the two-month monitoring period.

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Wellhead Leaking

Flow back valve integrity for ADNOC

ADNOC adopted valve sealants as standard across operations, cutting maintenance costs and downtime.

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Engineer working at the greasing point of a large isolation valve at a gas gathering station
Leaking Gas network

Live gas leak arrested during a demonstration

The leak was arrested and the fitting stayed in place on the live line.

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Large gate valve beside a pig launcher barrel at a petroleum pipeline station
Pipeline Passing

Passing mainline gate valve corrected

The operator confirmed in writing that the valve was corrected.

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High-pressure sealant injection gun connected to a pipeline sectionalising valve
Pipeline Passing

A documented before and after

Our post-job report recorded no passing under observation, and the operator accepted and paid.

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New city gas distribution pipework and valves under commissioning
Gas network Passing

Seat-passing valves treated before gas-in

The operator confirmed in writing that the work was complete.

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Twin ball valves and bypass pipework at a gas transmission sectionalising station
Gas network Passing

Ball valves serviced on a live trunk line

Gas transmission continued without interruption throughout the work.

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Technician fitting an injection point on a ball valve at an LPG plant
Leaking

LPG ball valve retrofitted with injection points

The valve left the window with permanent injection points fitted.

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Large valve and crude oil pipework on a marine terminal jetty
Contract

Three-year contract at a marine crude terminal

The operator itself asked to renew, and recorded its satisfaction with the service in writing.

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Plug valves being serviced amid scaffolding during a plant turnaround
Contract

Twelve valves treated in a turnaround

The campaign closed with a completion and no-demand certificate.

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Technician applying a high-pressure injection gun to a large plug valve on a diesel line
Pipeline

Jammed plug valve freed in one day

Our report recorded the valve operating again; the client signed it and ordered more work.

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Technician equipment connected to a gas ball valve on a live city network
Gas network Leaking

Live city gas leak arrested

The procedure arrested the gas leakage on the live valve.

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Rows of pipeline valves on a manifold at an oil terminal
Contract

A two-day trial won a 30-valve order

Satisfied with the trial, the operator awarded a 30-valve servicing lot.

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Stem and gland area of a very large gate valve on a crude oil pipeline
Pipeline Leaking

Crude gate valve stem leak treated

Our technician flew in, completed the injection and flew out the same day.

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Engineers reviewing a checklist beside pipeline valves
Pipeline Passing

A campaign closed with a completion certificate

The client issued a formal completion certificate for the campaign.

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Pressure gauges and test manifold on a new city gas pipeline under nitrogen test
Gas network Passing

New-network passing valves treated before gas charging

Mid-job, the network owner's engineer directed us to service further valves at once.

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Loading gantry at a fuel depot with plug valves along the product lines
Training

Thirty plug valves in one depot campaign

About 30 valves were serviced, and our signed report records most responding well.

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Gas processing unit under maintenance shutdown with workers on the structure
Contract Passing

A recurring programme timed to shutdowns

Four mobilisations ran across three years under one standing order.

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Service technician carrying equipment cases into a fertiliser plant at dawn
Leaking

An emergency call-out answered next morning

An 8 inch valve on gas at 45 kg/cm² was sealed online in a same-day visit.

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Technician servicing a city gas station valve with portable equipment
Gas network Passing

A passing valve attended on pay-on-success terms

The operator paid under its own success-only terms.

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City gate gas station under floodlights at night during valve work
Gas network

Night-shift sealing inside a commissioning shutdown

The sealing work finished inside the window, with the whole cycle done in six days.

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Research gas testbed skid with geared ball valves during hands-on training
Training Gas network

A testbed demonstration converted to an order

The institute wrote that the demonstration was successful and it was satisfied.

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Public case information

Discuss a similar valve problem and its operating conditions

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We are preparing more cases from our field service and product work.

Field workers reviewing operating oil and gas equipment
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