LASSATER (COTTON VALLEY)
Field #52239333 · District 6 · --
Leases
43
Operators
30
Cum Oil
5k BBL
Cum Gas
18.4M MCF
Cum Cond
197k BBL
Production
1994-05 — 2026-07
Production History Production data is a work in progress — still being validated against RRC filings. Spot something off or have questions? [email protected]
RRC production reported through Apr 2026 · recent months incomplete
Type Curve (normalized avg across leases)
Click Load to compute type curve from lease data
Top Operators
| OPERATOR | LEASES | OIL (BBL) | LAST |
|---|---|---|---|
| BURK ROYALTY CO., LTD. | 15 | 256 | 2026-04 |
| RIVIERA OPERATING, LLC | 8 | 0 | 2026-04 |
| ROSE CITY RESOURCES, LLC | 6 | 0 | 2020-03 |
| ENCANA OIL & GAS(USA) INC. | 2 | 0 | 2013-04 |
| MATADOR OPERATING COMPANY | 2 | 0 | 2012-09 |
| MITCHELL ENERGY CORPORATION | 2 | 0 | 1999-04 |
| BRG PETROLEUM CORPORATION | 1 | 0 | 2003-11 |
| DEVON ENERGY PRODUCTION CO, L.P. | 1 | 0 | 2014-01 |
| BUFFCO PRODUCTION INC. | 1 | 0 | 2016-12 |
| LINN OPERATING, INC. | 1 | 0 | 2013-11 |
Lease Types
Leases (43)
| TYPE | LEASE | OPERATOR | OIL (BBL) | GAS (MCF) | FIRST | LAST |
|---|---|---|---|---|---|---|
| Oil | ORR | TRIANGLE INTERESTS, LLC | 5k | 13k | 2003-12 | 2017-10 |
| Oil | FELKER | BURK ROYALTY CO., LTD. | 256 | 7k | 2006-10 | 2009-06 |
| Gas | OLIVER UNIT | RIVIERA OPERATING, LLC | 0 | 54k | 2006-07 | 2026-04 |
| Gas | MCCLAIN, HOLLIE | BURK ROYALTY CO., LTD. | 0 | 0 | 2005-02 | -- |
| Gas | JORDAN | BURK ROYALTY CO., LTD. | 0 | 325k | 2005-05 | 2026-04 |
| Gas | ORR | BRG PETROLEUM CORPORATION | 0 | 41k | 1999-01 | 2003-11 |
| Gas | WITT BROTHERS | BURK ROYALTY CO., LTD. | 0 | 334k | 2004-06 | 2018-04 |
| Gas | WALDROP "A" | ENCANA OIL & GAS(USA) INC. | 0 | 0 | 2005-06 | -- |
| Gas | FELKER | BURK ROYALTY CO., LTD. | 0 | 1.1M | 2002-05 | 2019-01 |
| Gas | CARTWRIGHT, L. (CARTWRIGHT UNIT) | RIVIERA OPERATING, LLC | 0 | 102k | 2002-07 | 2007-08 |
| Gas | WITT BROTHERS | ROSE CITY RESOURCES, LLC | 0 | 1.8M | 2001-09 | 2019-01 |
| Gas | NEAL HEIRS | BURK ROYALTY CO., LTD. | 0 | 96k | 2002-08 | 2018-02 |
| Gas | WALDROP "A" | MATADOR OPERATING COMPANY | 0 | 947k | 1994-05 | 2005-10 |
| Gas | OLIVER UNIT | RIVIERA OPERATING, LLC | 0 | 2.5M | 2005-04 | 2026-04 |
| Gas | BROOKS UNIT (HALL ESTATE) | RIVIERA OPERATING, LLC | 0 | 1.0M | 1995-09 | 2026-04 |
| Gas | KING, O. P. | MATADOR OPERATING COMPANY | 0 | 572k | 1994-05 | 2012-09 |
| Gas | EIDSON UNIT | ROSE CITY RESOURCES, LLC | 0 | 150k | 2007-07 | 2020-03 |
| Gas | WITT BROTHERS | BURK ROYALTY CO., LTD. | 0 | 369k | 2002-10 | 2019-02 |
| Gas | CARTWRIGHT, L. (CARTWRIGHT UNIT) | RIVIERA OPERATING, LLC | 0 | 224k | 1997-11 | 2000-04 |
| Gas | REVERRA ESTATE | BURK ROYALTY CO., LTD. | 0 | 945k | 2002-08 | 2019-01 |
| Gas | TYLER GAS UNIT | BURK ROYALTY CO., LTD. | 0 | 731k | 2003-11 | 2018-09 |
| Gas | KING, O. P. | BURK ROYALTY CO., LTD. | 0 | 13k | 2003-12 | 2009-03 |
| Gas | MONTGOMERY UNIT | DEVON ENERGY PRODUCTION CO, L.P. | 0 | 64k | 2008-09 | 2014-01 |
| Gas | BILLINGSLY ESTATE | RIVIERA OPERATING, LLC | 0 | 889k | 2004-03 | 2026-04 |
| Gas | FELKER | BURK ROYALTY CO., LTD. | 0 | 57k | 2006-02 | 2019-02 |
| Gas | CONNER | BUFFCO PRODUCTION INC. | 0 | 5k | 2015-09 | 2016-12 |
| Gas | OWENS | ROSE CITY RESOURCES, LLC | 0 | 173k | 2005-01 | 2020-02 |
| Gas | SMITH, D.F. | BURK ROYALTY CO., LTD. | 0 | 227k | 2005-07 | 2022-03 |
| Gas | FELKER | BURK ROYALTY CO., LTD. | 0 | 9k | 2009-07 | 2012-04 |
| Gas | ORR UNIT | RIVIERA OPERATING, LLC | 0 | 1.6M | 1994-05 | 2009-07 |
| Gas | BRADLEY | BURK ROYALTY CO., LTD. | 0 | 37k | 2004-03 | 2010-02 |
| Gas | OLIVER UNIT | LINN OPERATING, INC. | 0 | 447k | 2004-02 | 2013-11 |
| Gas | SIMPSON FAMILY | RIVIERA OPERATING, LLC | 0 | 425k | 2006-06 | 2026-04 |
| Gas | CONNER, W. T. | ROSE CITY RESOURCES, LLC | 0 | 1.3M | 2002-02 | 2020-03 |
| Gas | KELSEY, ANNIE D, GAS UNIT | MITCHELL ENERGY CORPORATION | 0 | 72k | 1996-10 | 1999-04 |
| Gas | EIDSON UNIT | BURK ROYALTY COMPANY | 0 | 207k | 1997-08 | 2019-01 |
| Gas | THORSELL GU | ROSE CITY RESOURCES, LLC | 0 | 410k | 2003-08 | 2019-05 |
| Gas | EARLY | MARATHON OIL COMPANY | 0 | 0 | 1994-05 | -- |
| Gas | FUQUAY | ROSE CITY RESOURCES, LLC | 0 | 563k | 2002-09 | 2010-06 |
| Gas | CONNER | ENCANA OIL & GAS(USA) INC. | 0 | 120k | 2005-03 | 2013-04 |
| Gas | KELSEY, ANNIE D. GAS UNIT | MITCHELL ENERGY CORPORATION | 0 | 21k | 1995-05 | 1995-07 |
| Gas | COLEMAN | BURK ROYALTY CO., LTD. | 0 | 38k | 2005-05 | 2010-07 |
| Gas | THORSELL, L. D. | SONORA PETROLEUM CORP. | 0 | 348k | 1994-05 | 2020-06 |