HEART OF TEXAS (MARBLE FALLS)
Field #40043200 · District 9 · --
Leases
11
Operators
4
Cum Oil
648 BBL
Cum Gas
11k MCF
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 |
|---|---|---|---|
| R & D OPERATING, INC. | 6 | 0 | 2006-03 |
| R & D OPERATING, INC. | 4 | 648 | 2004-04 |
| PRATT, JIM | 1 | 0 | -- |
Lease Types
Leases (11)
| TYPE | LEASE | OPERATOR | OIL (BBL) | GAS (MCF) | FIRST | LAST |
|---|---|---|---|---|---|---|
| Oil | JONES, JOHN G. "817" | R & D OPERATING, INC. | 460 | 32k | 1993-01 | 2004-03 |
| Oil | JONES, JOHN G. "818" | R & D OPERATING, INC. | 188 | 3k | 1993-01 | 2004-04 |
| Gas | JONES, JOHN G. "A" | R & D OPERATING, INC. | 0 | 0 | 2005-06 | -- |
| Gas | JONES, JOHN G. "C" | R & D OPERATING | 0 | 3k | 1993-01 | 1995-03 |
| Gas | JONES, JOHN G. | R & D OPERATING, INC. | 0 | 4k | 1993-01 | 2004-03 |
| Gas | JONES, JOHN G. "818" | R & D OPERATING, INC. | 0 | 35 | 2004-04 | 2005-02 |
| Gas | JONES, JOHN G. "817" | R & D OPERATING, INC. | 0 | 2k | 2004-04 | 2006-03 |
| Gas | JONES, JOHN G. "818" | R & D OPERATING, INC. | 0 | 662 | 2004-04 | 2006-03 |
| Gas | COOPER, BILLY | PRATT, JIM | 0 | 0 | 1993-01 | -- |
| Gas | JONES, JOHN G. "817" | R & D OPERATING, INC. | 0 | 2k | 2004-04 | 2006-03 |
| Gas | JONES, JOHN G. "818" | R & D OPERATING, INC. | 0 | 597 | 2004-04 | 2006-03 |