SPE-184937-MS - "Practical Management in Mature Field Operations" Clemente Marcelo Hirschfeldt, Fernando Diego Bertomeu, Gerardo Lobato- Barradas Oil Production Consulting - - SPE Latin America and Caribbean Mature Fields Symposium held in Salvador, Bahia, Brazil, 15-16 March 2017
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SPE-184931-MS "Water Management Experience in Mature Basin in South Argentina" Clemente Marcelo Hirschfeldt, Fernando Diego Bertomeu, Oil Production Consulting - SPE Latin America and Caribbean Mature Fields Symposium held in Salvador, Bahia, Brazil, 15-16 March 2017
SPE-173941-MS "Marginal wells inside brownfields a high profitability business" Fernando Bertomeu, Marcelo Hirschfeldt, Pablo Delgado, OilProduction Oil and Gas Consulting; Gerardo Lobato-Barradas, Pemex E&P - SPE Artificial Lift Conference - Latin America and Caribbean held in Salvador, Brazil, 27–28 May 2015.
"Artificial Lift Management. Recommendations for Unconventional Oilfields ”. ASME 2012 31st International Conference on Ocean, Offshore and Arctic Engineering. OMAE2012. Rio de Janeiro Brazil.
"Artificial Lift Management Recommendations and suggestions of best practices" CT&F - Ciencia, Tecnología y Futuro Magazine. Colombian Petroleum Institute. 2011
SPE 124737 “Selection Criteria for Artificial Lift System Based on the Mechanical Limits: Case Study of Golfo San Jorge Basin” SPE Annual Technical Conference and Exhibition held in New Orleans, Louisiana, USA, 4–7 October 2009.
SPE 108054 “Artificial-Lift Systems Overview and Evolution in a Mature Basin: Case Study of Golfo San Jorge” 2007 SPE Latin American and Caribbean Petroleum Engineering Conference held in Buenos Aires, Argentina, 15–18 April 2007