Clustered Wells, Skiddable Rigs Allow Drillers Access To Heavy-Oil Deposits

Dean E. Gaddy Drilling Editor The final touches are being put on Santa Fe Rig 178 before being shipped to Venezuela from Houston. Engineers from Mobil and Santa Fe worked together to custom design this 2,000-hp, skiddable drilling rig for batch drilling operations in the Orinoco (Fig. 1). Skiddable drilling rigs, clustered well locations, 3D well configurations, and economic integration with upstream activities have furnished the means and incentive to develop the heavy-oil deposits of the "Faja del Orinoco." Drilling plans for three of the seven major partnerships-Cerro Negro, Zuata, and Sincor-provide a glimpse into some of the innovativ...

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