Isolation & Intervention

BISEP, Steam Line Isolation Rehabilitation
Temporary double block and bleed isolation of large diameter live steam pipelines via hot tapping and plugging technology. Read More +
30” Remote Tecno Plug, SIRGE Pipeline, Shetland Gas Plant, UK
Double block isolation facilitates a 30”x10” branched tee to be welded into the live pipeline. Read More +
8" BISEP, Natural Gas Plant, Malaysia
Hot tapping and plugging on an 8” gas pipeline allows welded spool replacement. Read More +
42" Dual BISEPs & Bypass, Fuel Gas Pipeline, Kuwait
Hot tapping and plugging allows new gas lines to be tied into existing infrastructure. Read More +View more
24” Remote Tecno Plug, Onshore Receiving Facility, Malaysia
Onshore isolation of two pipelines allows consecutive shutdown valve replacements without depressurising the entire pipeline.36” Remote Tecno Plug, Cormorant Alpha Platform, North Sea, UK
Double block isolation and long distance pigging allows tie-in on crude oil pipeline.24" Remote Tecno Plug, Gulf of Thailand
Double block isolation allows tie-in points to be installed on pressurised gas pipeline.16" BISEP, SOLAR POWER STATION, ABU DHABI, UAE
Hot tapping and plugging allows four valves to be safely installed at solar power station.18" Tethered Tecno Plug, Offshore Platform, Australia
Offshore double-block isolation provides safe valve changeout.4" BISEP & Tecno Plug, Gas Plant, Abu Dhabi, UAE
Double block and bleed isolation provided emergency response for a major gas processing plant in the UAE.24" Remote Tecno Plug, Gas Export Pipeline, Qatar
Double-block isolation and reinstatement test of welded valve on pressurised gas export pipeline.10" BISEP, Natural Gas Plant, Australia
Hot tapping and plugging allows a launcher valve to be safely replaced while the system remained live.36” Remote Tecno Plug, Main Oil Trunkline, Arabian Peninsula
Onshore pressurised double-block isolation facilitates safe pig trap valve changeout.10” Dual BISEPs | Jet Fuel Pipeline, Abu Dhabi, UAE
Hot tapping and plugging allows pipeline re-routing without affecting production.30" Dual BISEPs, Cortez Pipeline, New Mexico, USA
World First: Leak-Tight Double Block and Bleed Isolation on High Pressure CO2 Pipelines.3.5" BISEP™ | Murchison Platform, North Sea, UK
Collaborative approach provides subsea flowline de-oil and abandonment for CNR International.18” BISEP & 32” Tecno Plug | OSC, Terengganu, East Malaysia
Dual isolations allow replacement of welded flange valves while gas production is maintained.20” Tethered Tecno Plug | Main Oil Line Nahada to Mina Al Fahal, Oman
14 bends removed from 20" bypass pipework around block valves on main oil line.12” Remote Tecno Plug | Onshore Production Station, New Zealand
Onshore double-block isolation provides safe valve changeout48" Remote Tecno Plug | Alberta, Canada
Double-block isolation allows onshore valve changeout of 48" export pipeline.24” Remote Tecno Plug | Doha, Qatar
Double-block isolation of 24" gas pipeline facilitates safe valve changeout.DNV Approves STATS Group Pipeline Isolation Tools
STATS Group has received the DNV GL seal of approval for its Tecno Plug and BISEP range of pipeline isolation tools.3” BISEP™ | Piper Bravo Platform, North Sea, UK
BISEP™ isolation facilitates replacement of piping system.6” BISEP™ | Theddlethorpe Terminal, Lincolnshire, UK
BISEP™ hot tap and isolation facilitates safe valve replacement10” BISEP | Brent Bravo & Delta Platforms, North Sea, UK
Thirty-two cell fill line isolated and replaced within utility shaft of platforms.3” BISEP™ & Tecno Plug™ | Tern Alpha Platform, North Sea, UK
Isolation solution to facilitate pipework replacement of a 3” instrument air line.6” BISEP™ | Dammam’s Second Industrial Area, Saudi Arabia
Hot Tap and Plugging Provides Safe Midline Isolation of Gas Pipeline.14” BISEP | Galeota Point Terminal Facility, Trinidad
Two 14” BISEP isolations on crude oil pipeline allows piping spool tie-in.20” Tethered Tecno Plug | Yanga Platform, Republic of Congo
Double-block isolation facilitates 20” valve changeout.20” Tethered Tecno Plug | North Everest Platform, North Sea, UK
Double-block isolation facilitates valve maintenance activities.24” Remote Tecno Plug | Dunlin Alpha Platform, North Sea, UK
Pipeline isolation operations facilitates valve change-out activities.24” Remote Tecno Plug | Marnock ETAP Spur Line, Central North Sea, UK
Double-block isolation facilitates valve change-out activities.36” Remote Tecno Plugs | MLNG-Dua, Bintulu, East Malaysia
Pipeline isolation operations facilitates Kumang Cluster onshore tie-in project.14” Remote Tecno Plug | NGL-4 Plant, Mesaieed Industrial City, Qatar
Pipeline isolation operations facilitates valve maintenance and reinstatement test.36” Remote Tecno Plug | Dol 2 Platform, North Field, Qatar
Double-block isolation facilitates 36" valve maintenance activities.16" Remote Tecno Plug | K5-A Platform, Dutch Sector North Sea, Netherlands
Isolation of gas export pipeline facilitates installation of subsea metrology spool piece40” Tethered Tecno Plug | Zeebrugge LNG Terminal, Belgium
Double-block isolation facilitates valve changeout activities.38” Remote Tecno Plug | Ras Laffan Facility, Doha, Qatar
Gas pipeline isolation facilitates removal of 2” bypass branch connected to a 38” ESDV.36” Tethered Tecno Plug | BP Sullom Voe Terminal, Shetland
Pipeline isolation allowed 36” Brent receiver valve changeout while production continued uninterrupted.5/8” BI-STOP™ | Natural Gas Distribution Utility, Alberta, Canada
BI-STOP™ hot tapped isolation facilitates HDPE polypipe upgrade and meter replacementRepair & Maintenance

Caisson Securing & Recovery, North Sea, UK
Mechanical lifting tools used to prevent dropped object threat from damaged caissons. Read More +
Riser Securing Clamps | AH001 Ivanhoe Oil Field
Securing clamps required to release multiple flexible risers from platform for abandonment. Read More +
24” Caisson Liner 95m Long | Piper Bravo, North Sea,...
Internal corrosion resistance liner provided to accommodate water discharge. Read More +EPRS & Subsea Services
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ROV Hot Stab Receptacle Sealing Plugs, Brazil
STATS designed and manufactured 20, 3” and 6” high integrity, high-flow, ROV hot stab receptacle sealing plugs. Read More +
10" Subsea Hot Tapping and Plugging, Gulf of Mexico
Dual BISEPs allow midline isolation of an oil pipeline to facilitate safe decommissioning and abandonment. Read More +
14” Subsea Pipeline Isolation & Repair, East China Sea
Dual BISEPs provided a midline isolation of a pressurised gas pipeline allowing a section to be safely cut out and replaced. Read More +
8” Subsea Pipeline Isolation & Repair, Gulf of Thailand
Subsea pipeline isolation enables anchor damage repair on a gas export pipeline while maintaining production. Read More +
42” Subsea Abandonment Plug, Dubai, UAE
Isolation of a 42” subsea pipeline dead leg housed within an oil storage tank. Read More +View more
28" Subsea Pipeline Isolation & Repair, Yacheng Pipeline, China
Subsea pipeline isolation enables anchor damage repair without depressurising or flooding the Yacheng export pipeline.20” Tethered Tecno Plug | North West Hutton Decommissioning
Oil export pipeline isolation allows safe breaking of containment of 20" riser subsea to allow platform decommissioning.36” Remote Tecno Plug | Forties Pipeline System, North Sea, UK
Double-block isolation facilitates installation and leak testing of SSIV’s and pipe spools.Isolation EPRS, North Field, Qatar
STATS supplied a range of Subsea Remote Tecno Plugs™ from 16” to 38”, 32” and 38” BISEP™ intervention tools and hot tapping equipment.Isolation EPRS, Qatargas, North Field, Qatar
STATS supplied a new range of high integrity double block and bleed Remote Tecno Plugs™ for pipeline sizes 32”, 34” and 38”.36” Pipeline Pull-In | Troll Alpha, North Sea, Norway
Bespoke interfaces engineered to allow new pipeline to be pulled-in through existing seal tube arrangement, 300m below sea-level.24” Remote Tecno Plug | North Sea, UK
Subsea isolation allows safe tie-in of a replacement section of main oil export line16" Remote Tecno Plug | K5-A Platform, Dutch Sector North Sea, Netherlands
Isolation of gas export pipeline facilitates installation of subsea metrology spool pieceProcess Plant Solutions

Mechanical Pipe Connectors, Oil Terminal, Norway
18” mechanical Pipe Connectors were installed at a terminal in Norway to allow piping to be replaced while the plant continued to operate. Read More +
Shutdown Services, North Sea, UK
Shutdown services maximise efficiency and safety with hot-work barriers and localised hydrostatic testing. Read More +
Pipe End Plugs facilitate Pipe Spooling for Aasta Hansteen Field
Isolation of pressurised mechanically lined BuBi® pipe to facilitate reeling onto vessel. Read More +