LOST VALLEY (MARBLE FALLS)
Field #55050666 · District 13 · --
Leases
20
Operators
17
Cum Oil
150k BBL
Cum Gas
118k MCF
Cum Cond
9k BBL
Production
1993-01 — 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 |
|---|---|---|---|
| XPLORE OPERATING, LLC | 8 | 120k | 2026-04 |
| MILES PRODUCTION CO. | 7 | 18k | 1999-09 |
| MORIAH RESOURCES, INC. | 2 | 4k | 2017-05 |
| HEP OIL COMPANY, LTD. | 1 | 0 | 2006-04 |
| BRIAR ENERGY CORPORATION | 1 | 2k | 2026-04 |
| S.B. STREET OPERATING, INC. | 1 | 5k | 2026-04 |
Lease Types
Leases (20)
| TYPE | LEASE | OPERATOR | OIL (BBL) | GAS (MCF) | FIRST | LAST |
|---|---|---|---|---|---|---|
| Oil | TURNER, MARY-3-4-5-6 | XPLORE OPERATING, LLC | 49k | 614k | 1993-01 | 2026-04 |
| Oil | LESTER CARTER 1 | XPLORE OPERATING, LLC | 25k | 784k | 1993-01 | 2026-04 |
| Oil | TURNER, MARY | XPLORE OPERATING, LLC | 17k | 186k | 1993-01 | 2018-07 |
| Oil | RUMPH, D.M. | MILES PRODUCTION CO. | 15k | 2k | 1993-08 | 1999-09 |
| Oil | LESTER CARTER "B" | XPLORE OPERATING, LLC | 13k | 84k | 1993-01 | 2026-04 |
| Oil | REAGAN-MERCER | XPLORE OPERATING, LLC | 10k | 274k | 1993-01 | 2017-05 |
| Oil | KING, ALMA | XPLORE OPERATING, LLC | 6k | 92k | 1994-02 | 2017-10 |
| Oil | ALTA BRISCOE | S.B. STREET OPERATING, INC. | 5k | 107k | 2015-11 | 2026-04 |
| Oil | ROBERTSON-DEATS | MORIAH RESOURCES, INC. | 4k | 41k | 1999-03 | 2002-09 |
| Oil | SCOTT | BRIAR ENERGY CORPORATION | 2k | 345k | 2013-03 | 2026-04 |
| Oil | RONEY, VERA | MILES PRODUCTION CO. | 2k | 37k | 1993-01 | 1996-07 |
| Oil | HANNA HEIRS "A" | MILES PRODUCTION CO. | 1k | 2k | 1993-01 | 1993-02 |
| Oil | BLOODWORTH, F.C. | MILES PRODUCTION CO. | 102 | 774 | 1993-01 | 1993-05 |
| Oil | MOORE, BERTHA | MILES PRODUCTION CO. | 16 | 3k | 1993-01 | 1993-03 |
| Gas | HANNA HEIRS "A" | MILES PRODUCTION CO. | 0 | 43k | 1993-07 | 1995-06 |
| Gas | PEEK, EMMA | HEP OIL COMPANY, LTD. | 0 | 559 | 2005-10 | 2006-04 |
| Oil | HANNA HEIRS 'A' | XPLORE OPERATING, LLC | 0 | 398 | 2014-06 | 2018-06 |
| Gas | ROBERTSON-DEATS | MORIAH RESOURCES, INC. | 0 | 54k | 2002-09 | 2017-05 |
| Gas | REAGAN-MERCER | XPLORE OPERATING, LLC | 0 | 1k | 2017-06 | 2018-03 |
| Gas | MOORE, BERTHA | MILES PRODUCTION CO. | 0 | 18k | 1993-03 | 1994-09 |