conventional resources continuous (unconventional) coal bed methane tight oil continuous (unconventional) conventional oil and gas continuous (unconventional) hydraulic fracturing conventional resources coal bed methane tight gas tight gas Energy Glossary conventional resources Energy Glossary tight oil continuous (unconventional) geothermal geothermal coal-bed methane Energy Glossary shale gas produced waters Energy Glossary conventional resources Energy Program Glossary Energy Glossary shale gas continuous (unconventional) Energy Glossary conventional resources Produced waters conventional oil and gas Energy Glossary continuous (unconventional) conventional resources