GeoPark’s Jacana 5 well further extends Colombian oil field

The GeoPark Ltd.-operated Jacana 5 appraisal well on Llanos 34 block in Colombia reached a TD of 11,467 ft, testing with an electric submersible pump in the Guadalupe formation at 2,500 b/d of 15.5° gravity oil. Source: News

IOG updates appraisal of Skipper discovery in North Sea

Independent Oil & Gas PLC (IOG), London, has provided an update on the drilling of the appraisal well on the Skipper oil discovery, which lies on Block 9/21a in license P1609 in the UK North Sea. IOG is 100% owner and operator of the field. Source: News

Seadrill contests Pemex rig contract termination

Seadrill Ltd. says it’s disputing the grounds for termination of the West Pegasus semisubmersible drilling rig contract by Pemex Exploracion y Servicios, and “is reviewing its legal options.” Pemex submitted a notice of termination to Seadrill effective Aug. 16. Source: News

Sult leaves post as Marathon Oil chief financial officer

JR Sult, currently executive vice-president and chief financial officer at Marathon Oil Corp., Houston, has elected to leave the firm for personal reasons following a transition period. Source: News

Little named Marathon Oil executive vice-president, operations

T. Mitch Little has been promoted by Marathon Oil Corp., Houston, to the role of executive vice-president, operations, where he’ll oversee the firm’s resource play and conventional businesses. Source: News