formationMarker 2001-10-31T08:15:00.000Z WITSML 1.3.0.0 Server John Smith 6507/7-A-42 A-42 Rotliegende 4990 4685 5000 4695 200 260 185 4997 4692 10 200 Permian Rotliegende Top Reservior actual Waiting on wireline GR to confirm pick