Emergency Pipeline Repair Systems

Despite good pipeline design and integrity management schemes pipelines can, and do, get damaged and need to be repaired. Damage can be caused by a number of factors such as; a dragged anchor, landslide, iceberg impact, fatigue or stress cracking. The resulting damage may be unpiggable in the form of a buckle or dent, with or without rupturing the line. Following an inspection of the line and assessment of the defect, repair may require the replacement of a section of the pipeline.

EPRS Isolation Plugs-1

Without suitable double block isolation tools installed locally at both sides of the damaged section, it would be necessary to depressurise the entire section of the pipeline. This will allow safe removal of the damaged section and performance of the repair by installing a new section.

Depending on the availability of emergency repair equipment, the time to return a pipeline to service could be more than 1 year, particularly in a subsea pipeline. However, with appropriate planning and investment in equipment, including isolation tools and procedures this could be reduced to approximately 6 weeks.

EPRS BISEP

A pipeline’s out of service time, following an incident, can be reduced with strategic investment in specific elements of an Emergency Pipeline Repair System (EPRS).

The time to repair can be reduced to approximately 6-8 months, simply by developing detailed procedures for potential repair scenarios and procurement of long-lead items; such as large forgings for clamps / mechanical connectors, replacement pipe and flanges all reduce the reaction time.

Further substantial time savings can be achieved if the EPRS equipment has been manufactured and kept in a state of readiness for emergency deployment. This could potentially reduce a pipeline’s out-of-service time to less than 100 days.

Our Products

STATS range of emergency pipeline repair equipment is suitable for onshore and subsea deployment, products include:

Tecno Plug Isolation Tool

The Tecno Plug® provides fail-safe double block and bleed isolation of pressurised pipelines while the system remains live and at operating pressure. Dual seals provide a zero-energy zone to enable maintenance work on pressurised systems to be carried out safely and efficiently.
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Subsea BISEP Plugging Tool

The BISEP® when deployed subsea provides the highest level of hot tap installed pipeline isolation in the industry. Complying with all relevant subsea isolation guidelines, the BISEP ensures safe worksite conditions for divers from breaking containment to reinstatement.
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SureTap Hot Tapping Machines

The SureTap® range of proprietary subsea hot tapping machines provide performance and reliability for critical, high pressure tapping operations. Designed and built to incorporate industry leading features allowing taps to be performed safely on a wide range of pipeline materials and mediums, including use with sour (H2S) products.
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Mechanical Pipe Connectors

Type Approved mechanical pipe connectors provide a cold-work solution, removing the associated risks of welding. Quick and efficient to install, this permanent solution significantly reduces maintenance duration and provides a cost-effective solution for piping repair, tie-in or capping of redundant pipework.
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Pipeline Repair Clamps

Pipeline Repair Clamps are designed to be installed on damaged or leaking pipework, encapsulating the defect within the clamp body and regaining pressure integrity through mechanical seals and / or locks engaging on the sound parent pipe.
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Pipeline Retrieval Tool

Pipeline Retrieval Tools facilitate the laydown or recovery of subsea pipelines and are designed for lifting large diameter pipe and heavy loads.
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Related Resources

Isolation EPRS, North Field, Qatar

Isolation EPRS, North Field, Qatar

Remote Tecno Plugs™, subsea monitoring and communication systems
Read the Case Study
Isolation EPRS, Qatargas, North Field, Qatar

Isolation EPRS, Qatargas, North Field, Qatar

32” and 38” Remote Tecno Plugs with pigging bypass technology
Read the Case Study
Emergency Pipeline Repair Isolation Systems

Emergency Pipeline Repair Isolation Systems

An assessment of temporary pipeline isolation devices used to facilitate safe maintenance of pressurised pipework or systems
Access Paper
Preparing for a Pipeline Incident

Preparing for a Pipeline Incident

Reducing Emergency Pipeline Repair Out of Service Time by Utilising Isolation Tools
Access Webinar

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