def METHOD_NAME(self):
    file1 = EclFile(test_path("data/SPE9.INIT"))
    dzList=[20.0, 15.0, 26.0, 15.0, 16.0, 14.0, 8.0, 8.0, 18.0, 12.0, 19.0, 18.0, 20.0, 50.0, 100.0]
    poroList = [0.087, 0.097, 0.111, 0.16, 0.13, 0.17, 0.17, 0.08, 0.14, 0.13, 0.12, 0.105, 0.12, 0.116, 0.157]
    ft3_to_bbl = 0.1781076
    refporv = []
    for poro, dz in zip(dzList, poroList):
        for i in range(0,600):
            refporv.append(300.0*300.0*dz*poro*ft3_to_bbl)
    self.assertTrue("PORV" in file1)
    porv_index = array_index(file1, "PORV")[0]
    porv_np = file1[porv_index]
    self.assertEqual(len(porv_np), 9000)
    self.assertTrue(isinstance(porv_np, np.ndarray))
    self.assertEqual(porv_np.dtype, "float32")
    porv_list = file1[porv_index]
    for val1, val2 in zip(porv_np, refporv):
        self.assertLess(abs(1.0 - val1/val2), 1e-6)