Petzet GAOil & Gas Journal2010-02-152010-02-151997 Aug 1http://hdl.handle.net/1969.3/2348875-77Tertiary plays are yielding gas and condensate reserves in Galveston and Trinity bays and adjacent Galveston and Chambers counties along the Upper Texas Gulf Coast. Operators armed with modern geophysical techniques are targeting reserves in deeper Frio and Vicksburg horizons. Interpretation of 3D seismic data is being used on some projects, and 2D data and AVO analysis have also been helpful. TransTexas Gas Corp. believes it has encountered large potential reserves of high pressure gas in Vicksburg. Enserch Exploration Inc. and Vintage Petroleum Corp. are successfully exploring Trinity Bay and northeastern Galveston Bay. Tertiary plays are yielding gas and condensate reserves in Galveston and Trinity bays and adjacent Galveston and Chambers counties along the Upper Texas Gulf Coast. Operators armed with modern geophysical techniques are targeting reserves in deeper Frio and Vicksburg horizons. Interpretation of 3D seismic data is being used on some projects, and 2D data and AVO analysis have also been helpful. TransTexas Gas Corp. believes it has encountered large potential reserves of high pressure gas in Vicksburg. Enserch Exploration Inc. and Vintage Petroleum Corp. are successfully exploring Trinity Bay and northeastern Galveston BayNatural gas exploration, Manycompanies, Seismology, Drilling, Natural gas, Petroleum production, Oil wells, Offshore oil wellsJournal