Enap Sipetrol Ecuador is a branch of Chilean national oil company Enap, and started local operations in 2003 with a current output of approximately 13,400b/d. It has service contracts for hydrocarbon exploration and production in the Mauro Dávalos Cordero (MDC) and Paraíso Biguno Huachito e Intracampos (PBHI) oil blocks, located in the Ecuadorian Amazon region, signed in 2010 and effective through 2034. Since 2015 the firm -locally known as Enap Sipec- is the operator and holder of a 42% interest in block 28, in Southeastern Ecuador. It also signed contract in 2011 for block 3 Jambelí (B3J), located in the area surrounding the Guayaquil gulf, and covering a 4000 km2 exploration area. Enap Sipec is partnered with the government in all its contracts; it bears all costs and expenses paying a fee per barrel, and is solely responsible for the operation, without partners.