A drilling may occur.Logical formLearned from12 sentences. (Oil drilling) can be in an arctic-refuge.Logical formLearned from12 sentences. Obstacles can be to drilling.Logical formLearned from12 sentences. A call can be for offshore (oil drilling).Logical formLearned from12 sentences. A (test well) may undergo a drilling.Logical formLearned from12 sentences. A moratorium can be on shallow-water drilling.Logical formLearned from12 sentences. A column can be constituted-of-or-filled-with (drilling mud).Logical formLearned from12 sentences. A (drilling operation) may receive an exclusion.Logical formLearned from12 sentences. Drilling may become an issue.Logical formLearned from12 sentences. Increase can be in offshore drilling.Logical formLearned from12 sentences. Oil may assess damage to a drilling.Logical formLearned from12 sentences. A way can be for (oil drilling).Logical formLearned from12 sentences. A drilling may pertain-to a company.Logical formLearned from12 sentences. A call can be for drilling.Logical formLearned from12 sentences. (Oil drilling) can be in a valley.Logical formLearned from12 sentences.