First Subsea

Saipem Portugal Comercio Maritomo Sociedade Unipresso has awarded a contract to First Subsea for supplying a 42in pipeline recovery tool (PRT) for the gas export pipeline on the Ichthys LNG project.

The project, a joint-venture (JV) between Inpex group companies, Total and the Australian subsidiaries of Tokyo Gas, Osaka Gas, Chubu Electric Power and Toho Gas, is located in the Browse basin offshore western Australia.

Claimed to be the UK-based First Subsea’s largest modular PRT, the contingency tool features a twin seal dewatering system, check valve, pig catcher, pig signaler and an ROV deployment arm.

According to the company, the LNG project is operated by INPEX and includes an offshore central processing facility (CPF), as well as a floating production storage and offloading facility (FPSO).

"The FPSO is located in the field with various satellite manifolds and subsea wells tied back to the CPF."

The FPSO is located in the field with various satellite manifolds and subsea wells tied back to the CPF.

In water depths of up to 275m, Saipem is installing 889km of 42in-diameter subsea pipeline, connecting the CPF to an onshore processing facility located in Darwin.

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The modular PRT system uses First Subsea’s Ballgrab ball and taper grip technology for loads in excess of 1,200Te WLL and is said to be suitable for pipe or tubular diameters of 42in, 48in, 54in and 60in.


Image: First Subsea’s pipeline contingency tool for Ichthys LNG project. Photo: courtesy of First Subsea Ltd.

Energy