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Saturday، 27 October 2018 | Article Rating

Shell’s largest integrated refinery and petrochemical complex is now fully online. The multi-billion dollar project in Singapore boosts the supply of raw materials for many everyday products and uses ultra-efficient Shell technology.

The site is already supplying products to Asian growth markets and to manufacturers in Singapore. It is a cornerstone of Shell’s strategy to focus on growth and profitable downstream markets.

Iain Lo, former Shell Chemicals Vice President for New Business Development & Ventures, talks about the decision to move ahead with the project (2010)

The multi-billion dollar Shell Eastern Petrochemicals Complex (SEPC) project in Singapore boosts the supply of raw materials for many everyday products and uses ultra-efficient Shell technology to do so.

The site was already supplying products to Asian growth markets and to manufacturers in Singapore. This was a cornerstone of Shell’s strategy to focus on growth and profitable downstream markets.

“Demand for petrochemicals is growing at around 4-5% per year in Asia,” said Iain Lo, former Shell Chemicals Vice President for New Business Development & Ventures. “So being in Singapore positions us very well to capture that growth.”

Output from the site includes mono-ethylene glycol (MEG), the raw material needed to make everything from plastic packaging to polyester clothing. It has the capacity to meet nearly 6% of Asia’s demand for this raw material, or enough to make almost 7 billion polyester shirts a year.

The Shell Eastern Petrochemicals Complex (SEPC) investment project — building new chemical plants and upgrading a refinery — was a huge engineering feat that, at the peak of construction, involved more than 15,000 people from over 20 countries. It took a crane with the biggest capacity ever used in Singapore to lower steel reactors, each one weighing around 1,400 tonnes and as heavy as seven jumbo jets, into the heart of the new MEG plant, which produces the raw material essential to making polyester and packaging.

Most efficient production 

The MEG plant uses the award-winning technology developed by Shell, called OMEGA (Only MEG Advantage). It uses a fully catalytic process for the conversion of ethylene into MEG instead of a conventional thermal process, and produces more MEG per tonne of ethylene than any other technology in the industry. This process saves shipping and storage costs as it creates virtually none of the other raw materials that come from thermal conversion. It also consumes about one-fifth less steam and generates about 30% less waste water.

Capital costs for the new MEG plant were considerably less than for a conventional MEG plant with the same capacity.

In addition, the refinery and petrochemical plant uses nearly 100% waste water, treated and recycled by Singapore’s national water company. Water is used for cooling and in the reactions to turn raw materials into valuable products.

Squeezing the most out of every barrel of oil

The complex was designed to perform well through the economic cycle. The refinery was integrated with the chemical plant on the island of Pulau Bukom off the coast of Singapore and linked up by a series of pipelines to chemical plants on Jurong Island. They shared the same infrastructure.

The refinery can handle a wide range of crude oil, which it processes into different fuels and petrochemical raw materials. It pumps some of these materials to the new ethylene cracker built next to it for further processing. The cracker converts these into other products, including ethylene, propylene and benzene. Pipelines on the seabed — each 4.5 kilometres (2.8 miles) long — connect the cracker to the MEG plant and other industrial customers on Jurong Island. Ethylene can be cooled down to a liquid for export from a jetty or for storing in a cryogenic terminal.

The refinery and cracker can handle a wide range of raw materials selected to take advantage of fluctuations in market conditions and supply, squeezing the most value out of every barrel of oil.

The cracker, for example, can process heavier, lower-cost raw materials from the refinery, thanks to proprietary Shell technology. This gives it a competitive advantage over crackers that process more costly raw materials. It increases the margins between the cost of raw materials and the sale of the high-value petrochemicals that it makes.

”We can maximise our margins depending on feedstock prices,” says Huck Poh, former General Manager of the Pulau Bukom Manufacturing Site. “We can direct chemical streams to the product that gives the biggest bang for the buck.”

Second mega-petrochemical project

The refinery on Pulau Bukom off the coast of Singapore processes more than 500,000 barrels of crude oil a day, enough to fuel 3.9 million cars.

The cracker was built within the existing refinery while it continued to pump out its products. It started up in March 2010 with the capacity to produce annually: 800,000 tonnes of ethylene, a colourless gas used to make many products from polyethylene packaging to detergents; 450,000 tonnes of propylene, used in car parts, insulation and synthetic rubber; and 230,000 tonnes of benzene, a chemical needed to make styrene and computer casings. A unit to extract butadiene — used, for example, to make rubber —also started up. Shell plans to improve the existing ethylene cracker to boost its capacity.

The MEG plant started up in November 2009. In 2010 it had the capacity to produce 750,000 tonnes of MEG a year.

The SEPC investment is a 100% Shell project and was its largest ever downstream and petrochemical investment at the time of the decision to move ahead. It was Shell’s second mega-petrochemical project after the Nanhai joint venture with CNOOC that started up in 2006, and represents a step in the company's strategy to concentrate the global downstream business into fewer, larger markets. Shell has been in Singapore since 1891.

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Pasargad Energy Development Co. (PEDC) is an independent energy company based in Iran. PEDC is an integrated energy company whose activities span the entire value chain including exploration, production, refining, petrochemicals marketing, power generation & renewables as well as new high-tech venture capitalizing. Our headquarter is located in Tehran. PEDC is present across the Iranian continental shelf and international market through its subsidiaries. We create value for our shareholders through active investment, high-level monitoring of our projects, building world-class partnership and managing our risks effectively and making balanced portfolio. Meantime, we contribute to the sustainable development of the energy sector and communities in our country. PEDC’s competitiveness relies upon our values-based performance culture, with a strong commitment to transparency, cooperation and continuous operational improvement. As a wholly owned subsidiary of the Pasargad Financial Group, with Pasargad Bank being a distinctive shareholder, we owe our success to our experience, management knowledge and strong local/international partnerships since 2008. PEDC is committed to maintaining sustainability and being recognized as the strategic partner of choice in Iran’s energy and petrochemical sector.​

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