Petrora

LEASES · O-10-33136 · OIL · DISTRICT 08

Atapco Devonian Unit

Reporting

Olsen Energy Inc. · Crane County · Atapco (Devonian) field

Atapco Devonian Unit is an RRC oil lease (O-10-33136) in Crane County operated by Olsen Energy Inc., with 20 wells completed on it.

It has reported 871K barrels of oil and 367K mcf of gas since January 1993, last reporting volume in April 2026 (statewide data runs through April 2026).

The last 12 reported months total 8.35K barrels of oil, up 37% on the year before; the lease peaked at 8.11K barrels in March 1998.

10 operators have filed production on it, most recently Olsen Energy Inc. since January 2025.

871K
bbl oil, all reported
367K
mcf gas incl. casinghead
8.35K
bbl oil, last 12 reported
+37%
vs the 12 before
20
wells completed on it
8.11K
peak month, bbl (Mar 1998)

PDQ LEASE REPORTS · FIRST JAN 1993 · LAST VOLUME APR 2026 · STATEWIDE DATA THROUGH APR 2026

Oil by month

Barrels reported on Form PR for the whole lease. The latest months are revised upward as late reports arrive.

Last 12 months 8,354 · prior 12 6,120(+37%)

05001K1.5K2017201820192020202120222023202420252026

Gas by month

Gas-well gas plus casinghead gas, mcf. On an oil lease all gas is reported as casinghead. The latest months are revised upward as late reports arrive.

Last 12 months 38 · prior 12 1,779(-98%)

05001K2017201820192020202120222023202420252026

Decline curve
None shown. Petrora fits an Arps curve only when the last ten years of oil reports follow one decline closely enough to project (R² of 0.7 or better over at least a year since the peak). This lease's recent history does not, so a projection would be a guess dressed as a number.

Who reported it

Each run of months one operator filed the production report, oldest first.

  1. Kerr-McGee CorporationJan 1993 → Jul 1996 · 43 mo
  2. Mei Operating CompanyAug 1996 → Aug 1997 · 13 mo
  3. First Reserve Oil & Gas CoSep 1997 → Apr 2000 · 32 mo
  4. Aries Operating, LLCMay 2000 → Aug 2003 · 40 mo
  5. Aries Operating, LPSep 2003 → Feb 2010 · 78 mo
  6. Delek Energy Systems US, Inc.Mar 2010 → Feb 2011 · 12 mo
  7. Trinity Bay Oil & Gas, Inc.Mar 2011 → Feb 2016 · 60 mo
  8. Endeavor Energy Resources L.P.Mar 2016 → Nov 2023 · 93 mo
  9. Silver Cross Energy Partners LLCDec 2023 → Dec 2024 · 13 mo
  10. Olsen Energy Inc.Jan 2025 → Jul 2026 · 19 mo

Wells on the lease

FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL

20

wells completed on the lease

Plugged
10
Producing
5
NO Type on File
4
Water Supply
1

Operates them now

Olsen Energy Inc.
16
Kerr-McGee Corporation
2
Southland Royalty Company
1
Southport Exploration Inc.
1

Newest permits

All 20 wells, searchable →

About this data

Monthly oil, gas, and casinghead from the RRC PDQ production dump, which lags the reporting month by two to three months; figures shown through Apr 2026. Wells from completion reports; operator runs from who filed each month's report.

Developers: this page as JSON is GET /v1/data/leases/tx/o-10-33136, documented in the API reference.