Hilcorp was awarded 6 tracts from the Cook Inlet lease sale held last June. The effective date of awards is 1 Jan â18 for ADLs 393566-393571 (blocks CI-103, 106, 143, 545, 546 + 754), total 98 sq km. Â  Â 
United States (Cook Inlet Tertiary Province) (It's a petroleum rights. Please summarize by yourself). In IHS database: CI-103 op. by HILCORP AL (100.0%) to be check.