Case Studies

Problems Like Yours, Already Solved

Real examples of a customer with a problem, our engineers working alongside them, and a solution that improved efficiency, safety, environmental outcome or turnaround.

Case Studies

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Remote Grayloc blind installation tool on the workshop floor Subsea & Offshore Taking People Off the Highest-Risk Job on the Vessel An operator’s cyclone disconnect procedure put people alongside an open production bore in a confined space. We replaced them with a tool, ahead of the season. Leading IOC (not named)North West Shelf, Western Australia Read the case study The IWAKI platform off the east coast of Japan before removal Decommissioning Eight Legs, 154 Metres of Water, 20,000 Tonnes Every cut carried the weight of what was still standing above it. The wire had to work in a kerf trying to close on it, and that had to be known before the vessel sailed. SapuraAcergyEast coast of Japan Read the case study The caisson saw and coupon catcher trial-fitted around a test section in the Blakemere yard Subsea & Offshore Fifty-Two Cuts on a Tool That Did Not Exist Two Months Earlier A complete caisson cutting and recovery package, blank sheet to mobilised in eight weeks, because one party held every element of it. Fugro, for WoodsideNorth West Shelf, Western Australia Read the case study An unmanned monopod platform standing in calm water before removal Decommissioning Nine Platforms, and the FEED We Ran Ten Years Earlier Three tripod jackets and six monopods in one campaign, on a cut list settled a decade earlier. The expensive way to learn a saw will not fit is with a vessel on day rate. Linchpin Bhagwan, for ChevronThevenard Island, Western Australia Read the case study The diamond drill drum assembled in the workshop before mobilisation Marine & Civil One Metre Through 1.8 Metres of 1903 Concrete A civil EPC contractor needed a one-metre hole drilled underwater through a heritage dam wall, to ±10 mm, without putting anything into Perth’s drinking water. Nothing off the shelf was close. CloughMundaring Weir, Western Australia Read the case study Hot tap clamp handling tool during workshop assembly Subsea & Offshore Sampling a Well Without Opening It Two appraisal wells drilled in 1969 had to have their plugging verified before the caps came off. Land-based hot tapping is routine. Doing it subsea, through a well cap, by ROV alone, was not. Fugro, for Shell Todd Oil ServicesMaui field, 30–50 km WSW of Opunake, New Zealand Read the case study The buoyancy module removal tool being deployed over the side Decommissioning Four Hundred and Fifty Buoyancy Modules, No Two the Same A tool built for one module size would have been useless. What was needed was one chassis that could take every variant on the field, including the ones jammed together. Fugro, for BHP BillitonStybarrow field, Exmouth Sub-basin Read the case study Chemical hose reels built for the modular spooler system Energy Taking the Cranes Out of Chemical Bunkering Four-inch chemical hoses were being lifted over a vessel’s gunwale by mobile crane and by hand. We replaced the method with a modular reel system a forklift can reconfigure. Baker HughesDarwin, Northern Territory Read the case study The J-tube flange removal tool on the workshop floor Subsea & Offshore Shaving the Studs Off a Flange You Must Not Mark The tool had to cut the studs off a flange without touching the flange, on tubes close enough together that there was no room to work around them. Technip UKBahr Essalam field, Mediterranean Sea Read the case study The wellhead connection system under the crane on its way to the seabed Subsea & Offshore Re-Machining a Wellhead Sealing Face on the Seabed Corrosion across both housings, mechanical damage to the 13-inch, and no survey. Three tools were built to tolerate the unknown rather than assume it away. Operator (not named)September 2025 Read the case study The wellhead repair sleeve with its installation tool Subsea & Offshore A Sealing Face You Cannot Repair, on a Well You Still Have to Enter A damaged AX face is a hard thing to repair subsea and a harder thing to prove. The sleeve makes a new seal somewhere you can test before you commit to it. Esso Australia Pty LtdAustralia Read the case study Pressure retaining plug with its integral reaction clamp Subsea & Offshore Reacting 2.5 Tonnes With Nothing to Hang On To A sample of steel spool had to come out of a PLEM during decommissioning, and the double barrier had to be re-established at the cut. There were no features left to grip. BHPGriffin oil field, north-west Australia Read the case study The FBC-300 flange bolt cutter during its onshore trial cut Subsea & Offshore Twelve Two-Inch Bolts at 830 Metres The tool existed. The flange was bigger than the tool. What made the dive short was finding that out in a tank rather than at 830 metres. DOF SubseaStybarrow field, Western Australia Read the case study The ultra-high pressure jetting nozzle assembly on the cleaning tool Subsea & Offshore Cleaning a Flange to Bare Steel Without a Diver or an ROV A bend stiffener clamp needed bare steel to land on, at the bottom of an I-tube under an STL buoy. Everything had to be run from the deck of the FPSO, and everything had to be Zone II. Jadestone EnergyMontara FPSO, Timor Sea Read the case study A subsea pressure cap after the diamond wire proving cut Subsea & Offshore Cutting a Material That Hardens the More You Work It Inconel work-hardens as it deforms. The property that makes it right for a wellhead is the property that makes a cutting claim worth testing before you make it. DOF SubseaSingapore Read the case study Electrical Distribution Unit with connectors, ready for offshore installation Subsea & Offshore Fixing the Fault Without Reterminating the Umbilical Low insulation resistance faults in a subsea control system usually mean a new umbilical termination assembly. The client asked for something that could be retrofitted to the ones already in the water. Major operator (not named)North West Shelf, Western Australia Read the case study

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