Ortiz, J.L. (Senior Technology Planning Consultant - PDVSA Corporate Planning) - "Subsurface Surface Production Optimization: A Vision" - 2nd Production Optimization Under Automated Operations Internal Conference - PDVSA Production Western - Lagunillas, Venezuela - February 2002.
Ortiz, J.L.(Manager Center of Excellence for Production) - "Subsurface Surface Integrated Optimization - Creating Value for PDVSA While Keeping Low Production Costs" - First Technology Conference PDVSA Operating Agreements Partner Companies - 10-11 May 2001 - Gran Salon - PDVSA CIED Caracas Venezuela