WELL · 42-175-33551 · DISTRICT 2

Duderstadt #1

Plugged

Goliad County · Marshall (Frio II B) field · Vertical

Duderstadt #1 (API 42-175-33551) is a plugged well in Goliad County, plugged June 11, 2018, last operated by Cabeza Oil And Gas LLC.

The RRC has issued one drilling permit (amended twice), issued July 23, 2003, permitted to 5,500 ft.

Completion filings report one formation top, including Frio.

Operator of record

Cabeza Oil and Gas LLC

Austin, CO · P-5 Y, filed Dec 10, 2021 · 11 permits on file · (361) 788-3326

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedule	Cabeza Oil and Gas LLC
Production reports	Cabeza Oil and Gas, LLCthrough Jul 2008
Latest permit	Cabeza Oil and Gas, LLCJul 23, 2003

5,500: total depth, ft
3: permits on file
Jul 23, 2003: last permit issued
Oct 31, 2003: completed
0: cumulative oil, bbl
39.4K: cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Oct 2003 THROUGH Jun 2018

Regulatory status · RRC wellbore file

Schedule: OFF SCHEDULE
Completed: Oct 31, 2003
Shut in: —
Plugged: Jun 11, 2018

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; this well is the only one on it.Why →

Lease	Field	Reporting operator	Wells	Oil, bbl	Gas, mcf	Reported
Duderstadt G-2-201295	Marshall (Frio II B)	Cabeza Oil and Gas, LLC	1	0	39.4K	Oct 2003 – Jun 2018

No volumes reported on these leases in the last three years.

Chain of custody

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

1Cabeza Oil and Gas, LLCOct 2003 → Jul 2008

Permits

Permit	Type	Operator	Received	Issued	Spud	Depth
534512-96	Drill	Cabeza Oil and Gas, LLC	Jan 29, 2004	Jul 23, 2003	—	5,500
534512-97	Drill	Cabeza Oil and Gas, LLC	Jan 22, 2004	Jul 23, 2003	—	5,500
534512-99	Drill	Cabeza Oil and Gas, LLC	Jul 23, 2003	Jul 23, 2003	Sep 8, 2003	3,150

Completions

Completed	Lease	Field	Operator	Status	Depth
—	— G-2-201295	—	—	—	—

Formation tops

As filed on W-2/G-1. Subsea from 205 ft elevation.Download CSV →

Formation	MD ft	Subsea
Frio	2,164	-1,959

Perforations

Perforated and open-hole intervals.

From	To	Type
2,508	2,510	Perforated

Casing

Strings as reported, shallowest first.

Casing in	Set at	Hole in	Cement
8.625	300	12.25	174 S
4.5	2,655	7.875	515 S

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	Mar 11, 2005	Jan 13, 2004	Yes
00	Jun 2, 2004	—	—

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 42-175-33551 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-175-33551 → scanned completion filings

Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward). 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/17533551, documented in the API reference.