Features Guyana-Suriname basin: Rise from obscurity to super potential The challenge now facing operators in this promising region is to transition from an exploration/appraisal mode to best practices for development and production. Thomas Cool, Lumay Viloria, Endeavor Management Recent discoveries in the Guyana-Suriname basin attest to estimates of 10+ Bbbl of oil resources and more than 30 Tcf of gas. 1 Like many oil & gas successes, this is a story that begins with early exploration success onshore, followed by a long period of exploration disappointment in coastal to shelf regions offshore, eventually culminating in deepwater success. Licenses/blocks are active in four countries along South Americaâs northeastern coast, including Guyana and Suriname. Map: drillinginfo.com.