ACHILLES (TONKAWA)
Field #440500 · District 14 · --
Leases
13
Operators
14
Cum Oil
492k BBL
Cum Gas
3.6M MCF
Cum Cond
102k 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 |
|---|---|---|---|
| UNBRIDLED RESOURCES, LLC | 3 | 321k | 2026-04 |
| TEMPLAR OPERATING LLC | 3 | 16k | 2026-03 |
| CHESAPEAKE OPERATING, L.L.C. | 3 | 116k | 2015-03 |
| PRESIDIO PETROLEUM LLC | 1 | 38k | 2026-04 |
| CHARTER OAK PRODUCTION CO., LLC | 1 | 0 | 2012-09 |
| SUNDANCE OIL & GAS, INC. | 1 | 0 | 2011-10 |
| POST, GEORGE P. | 1 | 0 | 1993-11 |
Lease Types
Leases (13)
| TYPE | LEASE | OPERATOR | OIL (BBL) | GAS (MCF) | FIRST | LAST |
|---|---|---|---|---|---|---|
| Oil | DAY | UNBRIDLED RESOURCES, LLC | 162k | 1.6M | 2010-04 | 2026-04 |
| Oil | ROACH 70 HMH | UNBRIDLED RESOURCES, LLC | 159k | 921k | 2013-09 | 2026-04 |
| Oil | BREX 102 HMH | CHESAPEAKE OPERATING, L.L.C. | 116k | 700k | 2014-03 | 2015-03 |
| Oil | GRUHLKEY 100 | PRESIDIO PETROLEUM LLC | 38k | 311k | 2012-10 | 2026-04 |
| Oil | PARK 104 | TEMPLAR OPERATING LLC | 16k | 48k | 2014-04 | 2026-03 |
| Gas | BIG LAKE 102 | CHARTER OAK PRODUCTION CO., LLC | 0 | 44k | 2008-05 | 2012-09 |
| Gas | BREX 102 HMH | UNBRIDLED RESOURCES, LLC | 0 | 2.4M | 2015-04 | 2026-04 |
| Gas | PARK | TEMPLAR OPERATING LLC | 0 | 264k | 1993-01 | 2018-10 |
| Gas | DAY | CHESAPEAKE OPERATING, INC. | 0 | 44k | 2010-04 | 2010-07 |
| Gas | SUNDANCE | SUNDANCE OIL & GAS, INC. | 0 | 394k | 1993-01 | 2011-10 |
| Gas | MEEK | POST, GEORGE P. | 0 | 741 | 1993-01 | 1993-11 |
| Gas | ROACH 70 HMH | CHESAPEAKE OPERATING, INC. | 0 | 0 | 2013-07 | -- |
| Gas | JAHNEL | TEMPLAR OPERATING LLC | 0 | 443k | 1993-01 | 2008-10 |