[First Hit]

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P. Zweigel1, R. Arts2, T. Bidstrup3, A. Chadwick4, O. Eiken5, U. Gregersen3, M. Hamborg1, P. Johanessen3, G. Kirby4, L. Kristensen3, and E. Lindeberg1

1Sintef Petroleum Research, Trondheim, NO
2NITG-TNO, Utrecht, NL
3GEUS, Copenhagen, DK
4BGS, Keyworth, UK
5Statoil Research Centre, Trondheim, NO

ABSTRACT: Results and Experiences from the First Industrial-scale Underground CO2 Sequestration Case (Sleipner Previous HitFieldNext Hit, Previous HitNorthNext Hit Previous HitSeaNext Hit)

CO2 separated from natural gas produced at the Sleipner Previous HitfieldNext Hit in the northern Previous HitNorthNext Hit Previous HitSeaNext Hit (Norwegian block 15/9) is currently being injected into a saline aquifer, some 800 to 1000 m beneath the northern Previous HitNorthNext Hit Previous HitSeaTop. Injection started in 1996 and shall last for 20 years at annual rates of approx. 1 million metric tons CO2 (for a description of the injection facilities and of basic reservoir data refer to Baklid et al. 1996). An international research project, the Saline Aquifer CO2 Storage (SACS) project, accompanies the ongoing injection. Its aims are (a) to determine the local and regional storage properties of the reservoir (the Utsira Sand) and its overlying seal, and to assess their suitability for CO2 injection elsewhere; (b) to monitor the injected CO2 by geophysical methods; (c) to simulate and predict the present and future CO2 distribution by reservoir modelling; and (d) to develop a ‘bestpractice’ handbook to guide future CO2 injection projects. We report here results from areas (a) to (c).

AAPG Search and Discovery Article #90906©2001 AAPG Annual Convention, Denver, Colorado