ABS Press Kit - OTC 2004


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ABS Press Kit - OTC 2004

CNG HELPS BRING STRANDED GAS TO MARKET

This map shows regions where CNG may offer a transportation alternative to the start-up costs of new LNG trade routes. Market and technical studies indicate the viability of CNG transport when the one-way distance is 2,500 miles or less. When compared with LNG and GTL, CNG project advantages include low-market entry-cost thresholds and economic benefits from less gas lost in processing.

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GAS TRANSPORT MODULES MOVE OFFSHORE

These gas transport modules (GTM) use straight large-diameter pipes to store and transport gas at ambient temperature. The container material is based upon TransCanada’s composite reinforced pipeline (CRLP) concept. The design initially concentrates on developing smaller vessels and barges for river application. The capacity of TransCanada’s river barge design is 25 to 80 million cubic feet of gas, with the proposed ocean barge capacity estimated between 50 to 100 million cubic feet; both at pressures of 3000 psig.

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‘COSELLE’ DESIGN DRAWS INDUSTRY INTEREST

The “Coselle” containment design received “approval in principle” from ABS in 1997. That milestone, and a subsequent joint industry project study on the “Coselle” design sponsored by Shell, Chevron, Mobil, BHP, Marathon, McDermott, Conoco and BG, has encouraged others to enter the CNG arena with their own designs. Employing this containment system, the ship design has been updated to provide 600 million cubic feet of gas transport capacity.

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VOTRANS FORGES AHEAD

The EnerSea Volume Optimized Transport and Storage (VOTRANS) system delivers gas in long, large-diameter pipes in an insulated cold storage cargo package at low pressures. The design accommodates 700 to 800 million cubic feet of natural gas, depending on the specific gas composition. EnerSea intends to use this vessel to support economic gas transportation services for applications with average supply rates ranging from 300 to 500 million cubic feet of gas per day in markets up to 2,500 miles away. ABS awarded “approval in principal” to the VOTRANS V800 in October 2003.

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William J. Sember, Vice President, ABS Energy Development

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Regulatory Information