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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Hartzo Production | Louisiana | 0 BBLs | 0 MCF | Aug 1991 - Feb 1995 |
| Harvard Investments, Inc. | Louisiana | 0 BBLs | 0 MCF | Jun 1984 - Oct 2002 |
| Harvest Development LLC | Louisiana | 0 BBLs | 0 MCF | Jul 2012 - Aug 2012 |
| Harvest Oil & Gas, LLC | Louisiana | 0 BBLs | 0 MCF | Feb 2005 - Feb 2012 |
| Harvest Operating, LLC | Louisiana | 0 BBLs | 0 MCF | Feb 2008 - May 2012 |
| Harvest Petroleum, Inc. | Louisiana | 0 BBLs | 0 MCF | Mar 1998 - Nov 2011 |
| Harvest Pipeline Company | Louisiana | 0 BBLs | 0 MCF | Jun 2007 - Sep 2014 |
| Harvey Broyles | Louisiana | 0 BBLs | 0 MCF | Jan 1977 - May 2012 |
| Harvey Broyles & Munoco Co. | Louisiana | 0 BBLs | 0 MCF | Aug 1982 - Jan 2002 |
| Harvey Broyles, Et Al | Louisiana | 0 BBLs | 0 MCF | Mar 1985 - Nov 1985 |
| Harvey Broyles/Txo Prod. Corp. | Louisiana | 0 BBLs | 0 MCF | Oct 1987 - Mar 1988 |
| Harvey, Hayden & Co., P.C. | Louisiana | 0 BBLs | 0 MCF | Oct 1987 - Dec 1989 |
| Hassie Hunt Expl. Company | Louisiana | 0 BBLs | 0 MCF | Jan 1977 - Aug 2008 |
| Haw Corporation | Louisiana | 0 BBLs | 0 MCF | Jan 1977 - Dec 1979 |
| Hawk Oil Co. | Louisiana | 0 BBLs | 0 MCF | Apr 1986 - Mar 1988 |
| Hawkeye Drilling Co. | Louisiana | 0 BBLs | 0 MCF | Aug 1982 - Feb 2023 |
| Hawkins Oil & Gas, Inc. | Louisiana | 0 BBLs | 0 MCF | Jan 1991 - Nov 1997 |
| Hawthorne Oil & Gas Corp. | Louisiana | 0 BBLs | 0 MCF | Jan 1977 - Sep 1993 |
| Hawthorne-Tipco | Louisiana | 0 BBLs | 0 MCF | Jan 1977 - Oct 1978 |
| Hayden Energy Corp. | Louisiana | 0 BBLs | 0 MCF | Sep 1992 - Apr 1994 |
| Haynes Oil & Gas Inc. | Louisiana | 0 BBLs | 0 MCF | Sep 2006 - Oct 2006 |
| HC Resources, Inc. | Louisiana | 0 BBLs | 0 MCF | Nov 2008 - Jul 2011 |
| HCT Operating Company | Louisiana | 0 BBLs | 0 MCF | Feb 1990 - Aug 1991 |
| HCW Exploration, Inc. | Louisiana | 0 BBLs | 0 MCF | Jul 1984 - Jun 1986 |
| HDS Production | Louisiana | 0 BBLs | 0 MCF | Jul 1989 - Mar 1998 |
| Headco Production Company | Louisiana | 0 BBLs | 0 MCF | Jan 1977 - Dec 1979 |
| Headington Energy Corporation | Louisiana | 0 BBLs | 0 MCF | Mar 1986 - Mar 1986 |
| Headington Oil Company | Louisiana | 0 BBLs | 0 MCF | Jan 1980 - Sep 1998 |
| Headington Oil Company LLC | Louisiana | 0 BBLs | 0 MCF | Jan 2008 - Nov 2014 |
| Headington Oil Company, L.P. | Louisiana | 0 BBLs | 0 MCF | Oct 1998 - Dec 2007 |
| Headwaters Oil Company | Louisiana | 0 BBLs | 0 MCF | Jan 1977 - Oct 1981 |
| Hebert & Rucks L.L.C. | Louisiana | 0 BBLs | 0 MCF | May 1998 - May 2002 |
| Hec Petroleum, Inc | Louisiana | 0 BBLs | 0 MCF | Sep 2001 - Sep 2004 |
| Heckmann Water Resources Corp | Louisiana | 0 BBLs | 0 MCF | Dec 2017 - Apr 2024 |
| Held By Production, Inc. | Louisiana | 0 BBLs | 0 MCF | Oct 1987 - Jun 1994 |
| Helena Production Corp | Louisiana | 0 BBLs | 0 MCF | Jan 1977 - Dec 1991 |
| Helis Oil & Gas Company, LLC | Louisiana | 0 BBLs | 0 MCF | Nov 2003 - Oct 2023 |
| Helmerich & Payne, Inc. | Louisiana | 0 BBLs | 0 MCF | Sep 1994 - Sep 2002 |
| Hemco Development, LLC | Louisiana | 0 BBLs | 0 MCF | Jan 2016 - Nov 2020 |
| Hemperley & Associates | Louisiana | 0 BBLs | 0 MCF | Sep 1983 - Aug 1996 |
| Hemphill Gas | Louisiana | 0 BBLs | 0 MCF | Jan 1999 - Apr 1999 |
| Hemus, Inc. | Louisiana | 0 BBLs | 0 MCF | Jul 1993 - Sep 1994 |
| Henderson Oil & Gas | Louisiana | 0 BBLs | 0 MCF | Sep 1986 - Sep 1990 |
| Henderson Oil Production | Louisiana | 0 BBLs | 0 MCF | May 2013 - May 2024 |
| Henderson Pet Corp Of Delaware | Louisiana | 0 BBLs | 0 MCF | Sep 1991 - Nov 2019 |
| Henderson Petroleum Corp. | Louisiana | 0 BBLs | 0 MCF | Feb 1981 - Feb 1986 |
| Hendricks Energy International | Louisiana | 0 BBLs | 0 MCF | Sep 1991 - Jan 2000 |
| Henergy Oil & Gas LLC | Louisiana | 1,056 BBLs | 0 MCF | Feb 2019 - Jul 2024 |
| Henry Energy Corporation | Louisiana | 0 BBLs | 0 MCF | Oct 1987 - Dec 1987 |
| Henry G. Hearnsberger, Jr. | Louisiana | 0 BBLs | 0 MCF | Jan 1977 - Jun 1977 |