Page 17: of Offshore Engineer Magazine (Jul/Aug 2019)

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SUBSEA Well Intervention

By 2018, 10 operators were involved and 13 projects run, including Malaysia’s ? rst subsea well intervention and its

Helix Well ? rst subsea well decommissioning operations. The subsea

Ops’ newbuild well intervention work on one three-well project was done at

Q7000 semi- $12 million under budget (? nal cost $8 million) with a 100% submersible success rate, says Mokhtar. New technologies for the region have as also been deployed, including perforate, wash and ce- ment (PWC), cement packers and Ampelmann walk-to-work systems. In total, 22 projects have been run and 75% more production has been achieved under the project, which closed out earlier this year.

A large part of the success was based on using an inte- grated model, promoting collaboration and risk sharing, he says, while cost savings were made by just using the right op- erating model, i.e. using the right conveyance method (coiled tubing or wireline, etc.) and selecting the right equipment for the job, Mokhtar said.

The key was a “whole industry approach,” says Mokhtar. “To get this whole industry approach was not easy,” he says. “It meant getting operators and service companies to work together and then aggressively sharing the learnings, raising awareness and training.”

Source: Helix Well Ops.

JULY/AUGUST 2019 OFFSHORE ENGINEER 17