def METHOD_NAME(self):
    rst1 = ERst(test_path("data/SPE9.UNRST"))
    # get first occurrence of ZWEL, report step 37
    zwel1 = rst1[11, 37]
    zwel2 = rst1["ZWEL",37, 0]
    zwel3 = rst1["ZWEL",37]
    for v1,v2 in zip (zwel1, zwel2):
        self.assertEqual(v1, v2)
    for v1,v2 in zip (zwel1, zwel3):
        self.assertEqual(v1, v2)
    self.assertEqual(len(zwel1), 78)
    self.assertEqual(zwel1[0], "INJE1")
    self.assertEqual(zwel1[3], "PRODU2")
    self.assertEqual(zwel1[6], "PRODU3")
    # get first occurrence of INTEHEAD, report step 37
    inteh = rst1["INTEHEAD",37]
    self.assertEqual(len(inteh), 411)
    self.assertTrue(isinstance(inteh, np.ndarray))
    self.assertEqual(inteh.dtype, "int32")
    self.assertEqual(inteh[1], 201702)
    self.assertEqual(inteh[9], 25)
    self.assertEqual(inteh[64], 6)
    self.assertEqual(inteh[65], 1)
    self.assertEqual(inteh[66], 2016)
    # get first occurrence of PRESSURE, report step 74
    pres74 = rst1["PRESSURE",74]
    self.assertTrue(isinstance(pres74, np.ndarray))
    self.assertEqual(pres74.dtype, "float32")
    self.assertEqual(len(pres74), 9000)
    self.assertAlmostEqual(pres74[0], 2290.9192, 4)
    self.assertAlmostEqual(pres74[1], 2254.6619, 4)
    self.assertAlmostEqual(pres74[2], 2165.5347, 4)
    self.assertAlmostEqual(pres74[3], 1996.2598, 4)
    xcon = rst1["XCON", 74]
    self.assertTrue(isinstance(xcon, np.ndarray))
    self.assertEqual(xcon.dtype, "float64")
    self.assertEqual(len(xcon), 7540)
    self.assertAlmostEqual(xcon[1], -22.841887080742975, 10)
    logih = rst1["LOGIHEAD", 74]
    self.assertTrue(isinstance(logih, np.ndarray))
    self.assertEqual(len(logih), 121)
    for b1, b2 in zip([True, True, False, False, False], logih[0:5]):
        self.assertEqual(b1, b2)