WELL · 42-363-00442 · DISTRICT 7

Robinson Ranch #21

Robinson Ranch #21 (API 42-363-00442) is a permitted well in Palo Pinto County filed by Tarpon Oil & Gas CO.; no completion report is on file yet.

The RRC has issued 2 drilling permits between 2004 and 2012, permitted to 4,300 ft.

Completion filings report 3 formation tops, including Strawn, Big Saline, Marble Falls.

Operator of record

Tarpon Oil & Gas Co.

Based in: Fort Worth, TX
P-5 status: Active (A)
P-5 last filed: Nov 14, 2025
Permits on file: 67
Phone: (817) 332-5255

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedule	none
Production reports	Tarpon Oil & Gas Co.through Nov 2009
Latest permit	Tarpon Oil & Gas Co.Jan 13, 2012

4,300: total depth, ft
2: permits on file
Jan 13, 2012: last permit issued
—: completed
0: cumulative oil, bbl
13.1K: cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Oct 2004 THROUGH Jul 2026

Regulatory status · RRC wellbore file

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

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
Robinson Ranch G-8-208081	Strawn, NW. (Marble Falls)	Tarpon Oil & Gas Co.	1	0	13.1K	Oct 2004 – Jul 2026

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.

1Tarpon Oil & Gas Co.Jul 2005 → Nov 2009

Permits

Permit	Type	Operator	Received	Issued	Spud	Depth
730857-99	Recompletion	Tarpon Oil & Gas Co.	Jan 2, 2012	Jan 13, 2012	—	1,700
550985-99	Reenter	Tarpon Oil & Gas Co.	Sep 14, 2004	Sep 14, 2004	Sep 23, 2004	4,300

Completions

Completed	Lease	Field	Operator	Status	Depth
—	— G-8-208081	—	—	—	—

Formation tops

As filed on W-2/G-1. Subsea from 1,444 ft elevation.Download CSV →

Formation	MD ft	Subsea
StrawnTOP STRAWN	1,412	32
Big SalineTOP BIG SALINE	3,560	-2,116
Marble FallsTOP MARBLE FALLS	4,080	-2,636

Perforations

Perforated and open-hole intervals.

From	To	Type
4,332	4,400	Perforated

Casing

Strings as reported, shallowest first.

Casing in	Set at	Hole in	Cement
8.625	384	—	—
4.5	4,404	7.875	175 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 →

Filed	W-2 / G-1 date	Logs referenced
Jan 5, 2006	Aug 23, 2005	—
Aug 8, 2005	Jan 24, 2005	Yes
May 6, 2005	—	—

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 42-363-00442 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-363-00442 → 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/36300442, documented in the API reference.