LEASES · O-8-20719 · OIL · DISTRICT 7B

Cook

Reporting

Glahn Resources, Inc. · Shackelford County · Ivy field

Cook is an RRC oil lease (O-8-20719) in Shackelford County operated by Glahn Resources, Inc., with 2 wells completed on it.

It has reported 25.8K barrels of oil and 1.32K mcf of gas since January 1993, last reporting volume in April 2026 (statewide data runs through April 2026).

The last 12 reported months total 379 barrels of oil, down 26% on the year before; the lease peaked at 247 barrels in November 1994.

6 operators have filed production on it, most recently Glahn Resources, Inc. since August 2001.

25.8K
bbl oil, all reported
1.32K
mcf gas incl. casinghead
379
bbl oil, last 12 reported
-26%
vs the 12 before
2
wells completed on it
247
peak month, bbl (Nov 1994)

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 379 · prior 12 511(-26%)

0501001502017201820192020202120222023202420252026

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. Lytle Creek Operating, Inc.Jan 1993 → Oct 1994 · 22 mo
  2. Sojourner Drilling CorporationNov 1994 → Sep 1996 · 23 mo
  3. RO-JO, Inc.Oct 1996 → Mar 1999 · 30 mo
  4. Glahn Resources, Inc.Apr 1999 → Mar 2001 · 24 mo
  5. G & F Oil, Inc.Apr 2001 → Jul 2001 · 4 mo
  6. Glahn Resources, Inc.Aug 2001 → Jul 2026 · 300 mo

Wells on the lease

FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL

2

wells completed on the lease

Plugged
1
Producing
1

Operates them now

Newest permits

All 2 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-8-20719, documented in the API reference.