Petrora

LEASES · O-9-1274 · OIL · DISTRICT 7C

Shannon-Dyco

Reporting

Clark Oil Co. · Crockett County · Shannon (San Andres) field

Shannon-Dyco is an RRC oil lease (O-9-1274) in Crockett County operated by Clark Oil CO., with 2 wells completed on it.

It has reported 3.55K barrels of oil and 3.18K mcf of gas since January 1993, last reporting volume in April 2026 (statewide data runs through April 2026).

The last 12 reported months total 161 barrels of oil, down 30% on the year before; the lease peaked at 167 barrels in March 1994.

7 operators have filed production on it, most recently Clark Oil CO. since July 2017.

3.55K
bbl oil, all reported
3.18K
mcf gas incl. casinghead
161
bbl oil, last 12 reported
-30%
vs the 12 before
2
wells completed on it
167
peak month, bbl (Mar 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 161 · prior 12 230(-30%)

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. Cox, Robert G. & Associates,inc.Jan 1993 → Apr 1993 · 4 mo
  2. Hawkeye Transmission CompanyMay 1993 → Oct 1997 · 54 mo
  3. Energy Production CorporationNov 1997 → Nov 2002 · 61 mo
  4. Zephyr Lone Star Oper Co.,l.l.c.Dec 2002 → Dec 2002 · 1 mo
  5. Sundown Energy, Inc.Jan 2003 → Jan 2005 · 25 mo
  6. Sundown Energy LPFeb 2005 → Jun 2017 · 149 mo
  7. Clark Oil Co.Jul 2017 → Jul 2026 · 109 mo

Wells on the lease

FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL

2

wells completed on the lease

NO Type on File
2

Operates them now

Clark Oil Co.
2

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-9-1274, documented in the API reference.