On 18 December 2017 partner Ecopetrol announced success in the Coyote 1 well located on the Parex Resource-operated De Mars Block of the Middle Magdalena Basin. The well encountered oil at multiple intervals totalling some 29 m (95 ft) a depth between 2,042 m (6,699 ft) to 2,177 m (7,142 ft). Ecopetrol and Parex are equal partners on the acreage. Background information On 27 April 2016 Parex Resoures announced it executed a farm-in agreement with Ecopetrol SA for the De Mares Block in the Middle Magdalena Basin. Subject to Agencia Nacional de Hidrocarburos (ANH) approval, Parex will operate and earn 50% working interest (WI) in the De Mares and nearby Playon blocks. Terms of the De Mares Block deal include Parexâs commitment to workover the Coyote 1 well and fund 100% of the costs, estimated at USD 3 million. Upon regulatory approval, the re-completion operations will commence. Following the Coyote workover, Parex will pay all costs associated with one additional exploration well, should the partners decide to continue their efforts on the acreage. Parex must complete these farm-in obligations by April 2018. The Coyote 1 stratigraphic test was drilled in 2012 and encountered oil in the Esmeraldes/La Paz Formation between a depth of 6,700 and 7,200 ft. It is the only well drilled on the block and tested low rates of 22Â° API gravity oil. The 706 sq km De Mares Block is located east of the La Cira-Infantes field which has produced some 850 MMbo to date. In September 2015, Parex announced another farm-in agreement with Ecopetrol for the Aguas Blancas light oil field located south of the La Cira-Infantes field. Aguas Blancas terms include USD 61 million in appraisal work for Parex to earn 50% WI and operatorship. The Aguas Blancas field is located on the Magdalena Medio contract of the Middle Magdalena Basin. Â 
Colombia (Llanos-Barinas B.) (It's a petroleum rights. Please summarize by yourself). In IHS database: B op. by PERENCO (12.5791572199%, ECOPETROL 65.6008130717%, HOCOL 21.8200297084%) to be check.Aguas Blancas op. by PAREX (50.0%, ECOPETROL 50.0%) to be check.Magdalena Medio op. by ECOPETROL (100.0%) to be check.Playon (Prod) op. by PAREX (50.0%, ECOPETROL 50.0%) to be check.Playon op. by PAREX (50.0%, ECOPETROL 50.0%) to be check.De Mares op. by PAREX (50.0%, ECOPETROL 50.0%) to be check.