The ExxonMobil-commissioned Liza Unity floating production, storage, and offloading (FPSO) vessel has started its voyage to Guyana, having left the Keppel Shipyard in Singapore, SBM Offshore said in a Sept. 9 release.
SBM Offshore was contracted in 2019 to construct, install, lease, and operate the vessel for up to 2 years (OGJ Online, May 10, 2019).
The FPSO is expected to arrive at the Stabroek block late this year. Once the FPSO arrives at Liza field in Guyanese waters, it will be hooked up to the seabed, which will then be followed by installation of umbilicals and risers, allowing the next phase of operations to start.
The FPSO is designed to produce about 220,000 b/d of oil, to have associated gas treatment capacity of 400 MMcfd, and water injection capacity of 250,000 b/d. It will be spread moored in water depth of about 1,600 m and will be able to store around 2 million bbl of crude oil. There are total of 19 topsides modules.
The project continues to target first oil in 2022.
ExxonMobil estimates a recoverable resource base in Guyana of 9 billion boe and increased the number of discoveries over the summer with Longtail-3 and Whiptail. (OGJ Online, June 9, 2021; July 28, 2021). The operator noted another Stabroek block oil discovery, Pinktail, offshore Guyana in a Sept. 9 release (OGJ Online, Sept. 9, 2021).