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Figure 4.1. Since 1999 ExxonMobil has drilled 15 ERD wells from Platform Heritage into Sacate Field. The 15th well reaches over five and one-half miles from Platform Heritage and is the longest ERD well in North America (the red-dashed line is five and one-half miles long). Sacate Field has produced over 18 MMBO and 15 BCFG. The estimated ultimate recovery is 106 MMBOE (DOGGR, 2006). The environmental benefits of developing Sacate Field using ERD technology are: fewer required wells, the elimination of the need for a new platform, reduced noise and visual impacts, reduced air emissions, and reduced impacts to the marine biology and habitats. (After Reed, 2000.)