Abu Dhabi National Oil Co. subsidiary Abu Dhabi Gas Development Co. (Al Hosn Gas) and joint-venture partner Occidental Petroleum Corp. have let a contract to UK-based Amec Foster Wheeler PLC (AFW) to provide front-end engineering and design services for the JV’s recently announced plan to expand capacity of the Al Hosn sour gas plant by 50% (OGJ Online, Nov. 8, 2016).
The FEED contract will cover a design concept for the proposed expansion, including engineering of new units to expand the plant’s processing capacity as well as all associated off sites and utilities required to integrate new units with existing installations at the site, such as gas gathering infrastructure, the main gas plant, product pipelines, and the sulfur granulation plant, ADNOC said.
The ADNOC-Oxy JV will reach final investment decision on the expansion following AFW’s delivery of FEED, which is scheduled to be completed by fourth-quarter 2017, the UAE operator said.
A value of the contract was not disclosed.
If approved, the expansion would increase the plant’s gas processing capacity to 1.5 bcfd.
While the JV has yet to reveal an estimated timeline or cost for the project, ADNOC said the plant’s added capacity cold become operational within the life span of the UAE operator’s new 5-year business plan, which is part of the company’s 2030 Strategy approved by Abu Dhabi’s Supreme Petroleum Council in early December.
Located at the Shah sour gas-condensate onshore field, southwest of Abu Dhabi City, UAE, the $10-billion Al Hosn sour gas plant was formally commissioned in early 2016 already operating at its nameplate processing capacity of 1 bcfd, which it reached in July 2015 (OGJ Online, Apr. 26, 2016).
Comprised of two gas processing trains and four sulfur recovery units, the plant currently produces 500 MMcfd of network gas, 4,400 tonnes/day of natural gas liquids, 33,000 b/d of condensates, and about 9,000 tonnes/day of granulated sulfur.
ADNOC holds a 60% interest in Al Hosn alongside Oxy with 40%.
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