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Case Study

Sole Heavy Density Freespan Correction

Sole Heavy Density Freespan Correction Subcon > Case Study Client: Cooper Energy The Sole Development Project comprised of the drilling of two subsea production wells in the Sole Field, approximately 40km offshore in the Gippsland Basin and a subsea tie-back via 65km production pipeline and

Kingsford Smith Drive Scour Protection

Kingsford Smith Drive Scour Protection Subcon > Case Study Client: Lend Lease As part of the widening and upgrade of Kindsford Smith Drive in central Brisbane, Australia, Lend Lease contracted Subcon to design and supply 18,000m2 of scour protection along the road’s revetment interface with

Greater Plutonio Pipeline Walking

Greater Plutonio Pipeline Walking Subcon > Case Study Client: BP A wellhead flowline within the Greater Plutonio field experienced substantial walking.  In 2019 BP engaged Subcon to deliever 18 Pipe Clampign Mattresesses (PCMs) which were installed by Oceaneering in early 2020. Subcon scope Detailed design

Malampaya Pipeline Walking

Shell Malampaya Pipeline Walking Subcon > Case Study Client: Shell The Malampaya Twin Phase Flowline 1 (TPF1) was shown to have walked in the axial direction 1.8m, resulting in sever stresses at the PLES. Subcon developed a pipe clamping mattress (PCM) in conjunction with Shell

Merimbula Engineered Reef

Merimbula Engineered Reef Subcon > Case Study Client: NSW Government, Department of Industry The NSW Department of Primary Industries commissioned the installation of an artificial reef off the coast of Merimbula, on the Sapphire Coast of New South Wales. Subcon scope Subcon performed the design,

Matola Terminal Scour Protection

Motola Terminal Scour Protection Subcon > Case Study Client: SubTech Grindrod’s Terminal de Carvão da Matola (TCM) operates a dry-bulk terminal in Mozambique which has an export throughput capacity of 7.5 million tonnes. Historically there has been limited inspection and maintenance that has resulted in

Mundaring Weir Outlet Upgrade

Mundaring Weir Outlet Upgrade Subcon > Case Study Client: Clough The Mundaring Weir was constructed in c. 1900 as the potable water source for the Coolgardie Water Supply Scheme. The Mundaring Weir Outlet Works Upgrade included the upgrade and refurbishment of the existing intake tower

South Nemba Angola Jacket Repair

Oceaneering Angola Jacket Repair Subcon > Case Study Client: Oceaneering (Chevron) The South Nemba A jacket is an 8-leg jacket with 8 skirt piles in Block 0 offshore Angola. Following an inspection cracks were noticed in some of the members, the members were to be

Maari NZ Jacket Leg Repair

OMV Maari Jacket Leg Repair Subcon > Case Study Client: OMV Fatigue cracking of the K Joint had occurred below the waterline and flooding between the ocean and the annulus was observed. Strengthening and corrosion mitigation was critical to maintaining the leg’s structural capacity. Subcon