A Review of the Nigerian Energy Industry

Maersk Oil and Siemens join forces for clean power generation

8 December 2011, Sweetcrude, Doha, Qatar – Maersk Oil announced on Thursday that Siemens has agreed to develop and build turbines for Maersk Oil’s novel TriGen clean power generation technology.

TriGen is a power generator the size of a Maersk shipping container which burns gas with pure oxygen to produce clean power, pure water and ‘reservoir ready’ carbon dioxide. The high purity CO2 is captured, making the power generation emission-free, and is then transported to oil and gas fields for Enhanced Oil or Gas Recovery (EOR/EGR).

Maersk Oil acquired license rights to the pure oxygen combustor, whose technology is derived from the space industry, from U.S.-based Clean Energy Systems (CES) in January 2011. Now, Siemens will build turbines specially adapted to the combustion process to significantly increase the efficiency of the electricity produced.

“The agreement with Siemens is another milestone for our innovative clean power project, helping to mature the TriGen technology to a stage where it can be used widely and commercially,” said Bob Alford, TriGen Project Manager at Maersk Oil.

“Our goal is to be able to offer a unique product that for the first time joins oil and gas production together with power generation in one integrated project. This offers not just zero-emission electricity and pure water but also the ability to extract oil and gas that would otherwise be non-producible through EOR/EGR,” Alford said.

“It is an ideal solution for water-parched Gulf states that have reservoirs that can benefit from CO2 driven-EOR. It is also well suited for countries in South East Asia where many stranded contaminated gas fields could be unlocked using the flexible TriGen technology,” Alford said.

Maersk Oil and Siemens will sign today a Memorandum of Understanding at the 20th World Petroleum Conference, held in Doha, Qatar. Under the agreement, Siemens will fund and further develop the ‘oxyfuel’ turbines over the next 5 years.

CES has proven the TriGen technology on a small scale over that past 15 years. Now, in collaboration with Maersk Oil, Siemens and the U.S. Department of Energy, it is testing TriGen on a commercial scale power plant in California.

“We at Siemens are very pleased to work with Maersk Oil on the development of this promising technology,” said David Henson, Head of the Conceptual Engineering and Services business segment of Siemens Energy.

“The new turbine, named SXT-150, is backed by our vast experience in turbine development. Siemens’ turbine work is focused on providing the materials capable of withstanding high pressures and temperatures, handling the corrosive environment resulting from the CO2 and steam mixture, and implementing changes to increase power. In addition, Siemens will design and deliver the associated equipment to complete the TriGen power system.”

Siemens is currently converting a conventional gas/air turbine to a gas/oxygen turbine for the commercial project in California. The converted turbine will be hooked up to a power grid in North Los Angeles next year and has the capacity to deliver 150 megawatts of electricity – enough to provide energy to over 100,000 homes.

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  • Windfarms are great but the wind doesn’t blow all the time. So here’s what I suggest.Use the elriteccity in extra windfarms to split water. (Run a current through water and hydrogen bubbles from one electrode and oxygen bubbles from the other.)No greenhouse gases or pollution. The only product is water.The reason I think this would work is because the water produced by combustion of hydrogen is pure. And if you use ocean water to produce the hydrogen you have a desalination system that produces elriteccity.