Quantifying Rise in Gas Water Contact from Time-Lapse Seismic on the Sleipner Øst Field

A-08 QUANTIFYING RISE IN GAS WATER CONTACT FROM TIME-LAPSE SEISMIC ON THE SLEIPNER ØST FIELD Abstract A methodology for quantifying the rise in the gas water contact from time-lapse seismic data is described. The method is based on time-lapse tuning effects and utilizes a combination between horizon interpretation and seismic attribute analysis. The method is applied at the Sleipner Øst Field on marine seismic data acquired in 1994 and 2002. Introduction 1 The Sleipner Øst Fields are located in the southern part of the North Sea. They are producing from three reservoirs; the Paleocene Ty Formation the Jurassic Hugin Formation