WELL · 42-459-30607 · DISTRICT 6

Castellaw Unit #1

Castellaw Unit #1 (API 42-459-30607) is a permitted well in Upshur County filed by Valence Operating Company; no completion report is on file yet.

The RRC has issued 2 drilling permits between 1983 and 2009, permitted to 12,200 ft.

Completion filings report 5 formation tops, including Travis Peak, Cotton Valley, Knowles Lime, B Cotton Valley Sand.

Operator of record

Valence Operating Company

Kingwood, TX · P-5 Y, filed Apr 4, 2026 · 990 permits on file · (281) 359-3659

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedule	none
Production reports	Valence Operating Companythrough Apr 2010
Latest permit	Valence Operating CompanyDec 22, 2009

12,200: total depth, ft
2: permits on file
Dec 22, 2009: last permit issued
—: completed
0: cumulative oil, bbl
1.39M: cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jun 2017

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
Castellaw G-6-109829	Cedar Springs (Cot. Valley, Lo.)	Valence Operating Company	1	0	1.39M	Jan 1993 – Jun 2017

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.

1Valence Operating CompanyJan 1993 → Apr 2010

Permits

Permit	Type	Operator	Received	Issued	Spud	Depth
688907-99	Recompletion	Valence Operating Company	Dec 21, 2009	Dec 22, 2009	—	12,050
225876-99	Drill	Wessely Energy Corporation	Feb 14, 1984	Dec 30, 1983	Jan 20, 1984	12,200

Completions

Completed	Lease	Field	Operator	Status	Depth
—	— G-6-109829	—	—	—	—

Formation tops

As filed on W-2/G-1. Subsea from 396 ft elevation.Download CSV →

Formation	MD ft	Subsea
Travis Peak	8,060	-7,664
Cotton ValleyCOTTON VALLEY SAND	9,497	-9,101
Knowles Lime	10,572	-10,176
B Cotton Valley Sand	11,300	-10,904
BossierBOSSIER SHALE	11,407	-11,011
Cotton ValleyCOTTON VALLEY LIME	11,567	-11,171

Perforations

Perforated and open-hole intervals.

From	To	Type
11,746	11,838	Perforated

Casing

Strings as reported, shallowest first.

Casing in	Set at	Hole in	Cement
9.625	4,137	12.25	1,540 S
5.5	12,045	8.75	3,540 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
May 14, 2010	Feb 3, 2010	—
Apr 20, 1984	Apr 3, 1984	—
Apr 12, 1984	Apr 3, 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 42-459-30607 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-459-30607 → 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/45930607, documented in the API reference.