Petrora

LEASES · O-1-1052 · OIL · DISTRICT 01

Callihan, W. M. -C-

Reporting

Castillo Oil Company LLC · Luling-Branyon field

Callihan, W. M. -C- is an RRC oil lease (O-1-1052) in the Luling-Branyon field operated by Castillo Oil Company LLC, with 3 wells completed on it.

It has reported 3.89K barrels of oil and 217 mcf of gas since January 1993, last reporting volume in April 2026 (statewide data runs through April 2026).

The last 12 reported months total 179 barrels of oil, down 19% on the year before; the lease peaked at 80 barrels in February 2025.

6 operators have filed production on it, most recently Castillo Oil Company LLC since August 2011.

3.89K
bbl oil, all reported
217
mcf gas incl. casinghead
179
bbl oil, last 12 reported
-19%
vs the 12 before
3
wells completed on it
80
peak month, bbl (Feb 2025)

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 179 · prior 12 222(-19%)

0501002017201820192020202120222023202420252026

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 0 · prior 12 0

012017201820192020202120222023202420252026

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. Lay, J. D.Jan 1993 → May 1997 · 53 mo
  2. Lay, J. D. EstateJun 1997 → May 2000 · 36 mo
  3. Ford, Don H. & Assoc.Jun 2000 → Jul 2005 · 62 mo
  4. IpactAug 2005 → Jun 2007 · 23 mo
  5. Centex DevelopmentJul 2007 → Jul 2011 · 49 mo
  6. Castillo Oil Company LLCAug 2011 → Jul 2026 · 180 mo

Wells on the lease

FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL

3

wells completed on the lease

Producing
2
Plugged
1

Operates them now

Castillo Oil Company LLC
3

Newest permits

  • — #1—
  • — #2—
  • — #3—

All 3 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-1-1052, documented in the API reference.