Petroleum Connected with the Recovery of Petroleum from Unconsolidated Sands

William H. Kobbe
1917 Transactions of the AIME  
1 the following considerations: (1) Character of the formations overlying the reservoir; (2) thickness of the oil-bearing stratum or strata; (3) thickness and character of ,water or gas sands; (4) gas pressure to be encountered or expected; (5) total depth of well.
doi:10.2118/917799-g fatcat:sg5hi64hmvf3pj5rwvdyhqgioy