i-Tech 7 Strengthens Smart Skid Technology in Gulf of Mexico
i-Tech 7, Subsea 7’s Life of Field business unit, has successfully completed a subsea decommissioning and abandonment project for LLOG Exploration Co. in the Gulf of Mexico, using its smart skid technology.
LLOG Exploration Co. was seeking better ways to flush three flowlines and two umbilicals as part of the workscope to abandon the G1 115 platform. Instead of using the conventional method of coil tubing, i-Tech 7 developed a subsea high-flow flushing skid solution to flush the flowlines.
For the umbilicals, i-Tech 7 used its field-proven hydrate remediation skid (HRS) solution to remove blockages within the tubing of two umbilicals. The system delivered significant cost savings to LLOG Exploration Co. by facilitating the decommissioning of the umbilicals in place, rather than the costly option of full recovery and disposal onshore.
Edward Galloway, i-Tech 7’s Region Director for the Gulf of Mexico, said: “This is another great project example that showcases our engineering capabilities and ability to deliver a rapid-response technology solution that saves our clients’ money and exceeds their expectations.
“We are building a successful track record for our HRS technology globally and have recently increased our fleet in order to meet client demand.”
Julian Williams, Subsea Construction Manager, LLOG Exploration Co. said: “Due to the financial burden of decommissioning, we were looking for a robust, reliable and low-cost solution that would deliver. We have continued to be impressed by i-Tech 7 and their can-do approach to solving project and engineering challenges.”
The next generation HRS incorporates smart, real-time software to efficiently remediate and prevent the potentially harmful build-up of hydrate in subsea production facilities.
Successfully trialled in the Gulf of Mexico during 2018, the HRS is suitable for deepwater operations up to 3,000m (10,000ft). Designed to interface with both work and heavy-duty work class ROVs, it can be integrated with any ROV on the market.
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