INDUSTRY NEWS
New LARS for autonomous underwater vehicles
UTEC recently successfully commissioned its new launch and recovery system (LARS) for the fleet of seven autonomous underwater vehicles (AUVs) it uses for seabed surveys in the oil and renewables industries. UTEC’s new LARS is a floating garage that enables an AUV to be launched and recovered without needing a small boat, thereby simplifying operations and improving safety. It also increases efficiency and reduces costs by
enabling AUV surveys in parallel with construction or laying activities, as the LARS can be deployed from the same work vessel. The system’s design uses flanged and bolted steel and aluminium tubulars for quick assembly and disassembly to ease transportation and storage. It can also be used for subsea launches. Global navigation satellite and ultra-short-baseline
HIGH-TEMPERATURE SENSOR LAUNCHED
To support the oil and gas industry in the Middle East, Crowcon has developed a high-temperature hydrogen sulphide (H2
S)
sensor to work alongside its XgardIQ fixed-point detector and transmitter. Ala Ayoub, regional general manager at Crowcon, explains, “The Middle East oil and gas industry contends with high levels of H2
S in
their gas production operation. More recently, oil production is experiencing increased risks from H2
H2 S
gas, as they extract more, heavier oils. Employees working in these extreme conditions need reliable, effective equipment.” Detection of H2
S is a
high-profile safety issue at wellheads and further down the pipeline (unless the gas or oil has been ‘sweetened’). H2
S is a highly toxic gas that is lethal at 1,000 parts per million (or 0.1%). Traditional
S sensors do not survive well in the
hot, dry environments, increasing the risk of an accident.
Custom-engineered wellhead sealing solution
Trelleborg Sealing Solutions has launched a new metal end cap seal specifically engineered for high temperature/high pressure (HTHP) wellhead tubing and casing hanger sealing environments, which combines the pressure and extrusion resistance of a metal- to-metal bonded component with the flexibility of an elastomer.
The high performance elastomer-to-metal bonded
sealing elements provide the high level of extrusion resistance necessary for high pressure and temperature casing and tubing hanger applications. Combining the range of Trelleborg’s XploR Rapid Gas Decompression (RGD) and sour gas resistant elastomers with corrosion resistant metal end caps, Trelleborg Sealing Solutions engineers can design a customised sealing solution to meet specific oil field requirements.
positioning systems can be mounted on the LARS to seed the AUV’s inertial navigation system positioning.
NEW APP FOR DIGITAL OIL & GAS WORKERS
Eigen has released an app that equips digital workers with live access to real-time and other operational information, using wearable devices. The technology will enhance the productivity of digital workers offshore through immediate access to critical data and to operational information in a single place. Using search term entry users can access information and use the system to automatically identify and display information related to the equipment, including documentation, live performance data, equipment parameters, maintenance history or any recently generated alerts or alarms.
www.engineerlive.com 7
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