SPARKS (TONKAWA)
Field #84932500 · District 14 · --
Leases
20
Operators
18
Cum Oil
640k BBL
Cum Gas
7k 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 |
|---|---|---|---|
| EOG RESOURCES, INC. | 7 | 410k | 2012-12 |
| UNBRIDLED RESOURCES, LLC | 4 | 196k | 2026-04 |
| PHILCON DEVELOPMENT CO. | 3 | 7k | 2008-05 |
| UPLAND RESOURCES, INC. | 2 | 9k | 2009-09 |
| NEAS OPERATING, LLC | 1 | 1k | 2002-08 |
| KAISER-FRANCIS OIL COMPANY | 1 | 13k | 2009-09 |
| GRANITE OPERATING COMPANY | 1 | 4k | 2009-09 |
| EMPIRE OPERATING, INC. | 1 | 0 | -- |
Lease Types
Leases (20)
| TYPE | LEASE | OPERATOR | OIL (BBL) | GAS (MCF) | FIRST | LAST |
|---|---|---|---|---|---|---|
| Oil | HEXT | UNBRIDLED RESOURCES, LLC | 155k | 574k | 2009-04 | 2026-04 |
| Oil | LOCKHART 57 | EOG RESOURCES, INC. | 126k | 1.5M | 2001-09 | 2004-03 |
| Oil | LOCKHART 58 | EOG RESOURCES, INC. | 123k | 926k | 2000-08 | 2004-03 |
| Oil | HUMPHREYS 59 | EOG RESOURCES, INC. | 66k | 454k | 2000-01 | 2012-12 |
| Oil | LOCKHART 56 | EOG RESOURCES, INC. | 39k | 452k | 2002-02 | 2004-03 |
| Oil | HUMPHREYS | PHILCON DEVELOPMENT CO. | 34k | 282k | 1993-01 | 2015-01 |
| Oil | HUMPHREYS 60 | EOG RESOURCES, INC. | 30k | 403k | 2000-07 | 2012-12 |
| Oil | HUMPHREYS 28 | EOG RESOURCES, INC. | 26k | 174k | 2000-06 | 2012-12 |
| Oil | OLAVE | KAISER-FRANCIS OIL COMPANY | 13k | 240k | 1993-01 | 2009-09 |
| Oil | JAILHOUSE | UNBRIDLED RESOURCES, LLC | 7k | 123k | 2008-03 | 2022-02 |
| Oil | PIPER, O. S. | UPLAND RESOURCES, INC. | 5k | 115k | 1993-01 | 2009-09 |
| Oil | ARLINE | PHILCON DEVELOPMENT CO. | 4k | 0 | 1998-07 | 2007-08 |
| Oil | WILSON ESTATE 81 | GRANITE OPERATING COMPANY | 4k | 3k | 2007-05 | 2009-09 |
| Oil | LEWIS | PHILCON DEVELOPMENT CO. | 4k | 82k | 1993-01 | 2008-05 |
| Oil | LOCKHART 82 | UPLAND RESOURCES, INC. | 3k | 21k | 2004-02 | 2009-09 |
| Oil | HEXT 60 | NEAS OPERATING, LLC | 1k | 6k | 2000-11 | 2002-08 |
| Oil | HUMPHREYS | UNBRIDLED RESOURCES, LLC | 18 | 0 | 2014-09 | 2024-08 |
| Gas | JAILHOUSE | PHILCON DEVELOPMENT CO. | 0 | 0 | 2008-03 | -- |
| Gas | HUMPHREYS 59 | EOG RESOURCES, INC. | 0 | 7k | 2005-07 | 2007-10 |
| Oil | HEXT | EMPIRE OPERATING, INC. | 0 | 0 | 1993-01 | -- |