WELL · 42-105-80209 · DISTRICT 7

Shannon-Dyco #2

Crockett County · Shannon (San Andres) field · Producing · Vertical

Shannon-Dyco #2 (API 42-105-80209) is a permitted well in Crockett County filed by Sundown Energy LP; no completion report is on file yet.

The RRC has issued one drilling permit, issued July 23, 2012, permitted to 1,956 ft.

It was permitted by Sundown Energy LP and has since transferred to Clark Oil CO. on the wellbore schedule.

Its lease has reported 3.55K barrels of oil and 3.18K mcf of gas since January 1993, last reporting in July 2026. The lease carries 2 wells, so these are lease totals, not this well alone.

Operator of record

Clark Oil Co.

Permitted by Sundown Energy LP; the EWA schedule now lists a different operator.

Based in: Dallas, TX
P-5 status: Active (A)
P-5 last filed: Oct 14, 2025
Phone: (469) 995-0425

Watch this operator Watch Crockett County

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedule	none
Production reports	Clark Oil Co.through Apr 2026
Latest permit	Sundown Energy LPJul 23, 2012

1,956: total depth, ft
1: permits on file
Jul 23, 2012: last permit issued
—: completed
3.55K: cumulative oil, bbl
3.18K: cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule: ON SCHEDULE
Completed: —
Shut in: —
Plugged: —

Operator's P-5 on the schedule: Active – Extension (X)

Surface location

No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.

Lease production

PDQ LEASE REPORTS · REPORTED THROUGH APR 2026

Texas reports oil by lease, not by well. These are the lease this well is completed on; they carry 2 wells in total, so volumes are shared.Why →

Lease	Field	Reporting operator	Wells	Oil, bbl	Gas, mcf	Reported
Shannon-Dyco O-9-1274	Shannon (San Andres)	Clark Oil Co.	2	3.55K	3.18K	Jan 1993 – Jul 2026

Oil, barrels lease total

Last 12 months 161 · prior 12 230(-30%)

Chain of custody

Every operator that reported production on this well's lease, in order.

1Cox, Robert G. & Associates,inc.Jan 1993 → Apr 1993
2Hawkeye Transmission CompanyMay 1993 → Jul 1995
3Energy Production CorporationAug 2000 → Oct 2002
4Zephyr Lone Star Oper Co.,l.l.c.Dec 2002 → Dec 2002
5Sundown Energy, Inc.Apr 2003 → Jan 2005
6Sundown Energy LPFeb 2005 → Jul 2005
7Clark Oil Co.Jul 2017 → Apr 2026

Permits

Permit	Type	Operator	Received	Issued	Spud	Depth
744564-99	Recompletion	Sundown Energy LP	Jul 12, 2012	Jul 23, 2012	—	2,500

Completions

Completed	Lease	Field	Operator	Status	Depth
—	Shannon-Dyco O-9-1274	Shannon (San Andres)	Clark Oil Co.	Producing	1,956

Completion filings

W-2 and G-1 reports on record in the RRC wellbore file, newest first. The suffix identifies the wellbore or completion event. About these reports →

Suffix	Filed	W-2 / G-1 date	Logs referenced
00	Jan 12, 1984	—	—

The source documents

Petrora holds the structured record. The scanned filings live at the RRC; these links open its search already filled in for this API.

Wellbore filings for 42-105-80209 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-105-80209 → scanned completion filings

Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. then paste it into their search.

About this data

Permits from the RRC OGA049M master and daily daf420 files; wellbore and operator of record from the EWA schedule, weekly; completions, formation tops, casing, and perforations from the dbf900 wellbore file; production from PDQ lease reports, which lag two to three months; injection from UIC permits, H-10 reports, and TexNet daily volumes; earthquakes from the TexNet catalog.

New to these records? How to read a well page · API numbers · completion reports and tops · why production is by lease

Developers: this page as JSON is GET /v1/data/wells/10580209, documented in the API reference.