WELL · 42-489-31230 · DISTRICT 4

Cox B. F. #10

Willacy County · LA Sal Vieja (Frio Cons) field · Producing · Directional

Cox B. F. #10 (API 42-489-31230) is a well in Willacy County operated by Wagner Oil Company, completed July 30, 2010 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued June 17, 2009, permitted to 11,500 ft.

Completion filings report 3 formation tops, including 10700 Sand, 10850 Sand, 10800 Sand.

No lease production has been reported under this well’s leases.

Operator of record

Wagner Oil Company

Fort Worth, TX · P-5 Y, filed Sep 4, 2025 · 278 permits on file · (800) 457-5332

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedule	Wagner Oil Company
Production reports	Wagner Oil Companythrough May 2025
Latest permit	Wagner Oil CompanyJun 17, 2009

11,500: total depth, ft
1: permits on file
Jun 17, 2009: last permit issued
Jul 30, 2010: completed
0: cumulative oil, bbl
4.11M: cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Aug 2009 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule: ON SCHEDULE
Completed: Jul 30, 2010
Shut in: —
Plugged: —

Operator's P-5 on the schedule: Active

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
Cox, B. F. G-4-251618	LA Sal Vieja (Frio Cons)	Wagner Oil Company	1	0	4.11M	Aug 2009 – Jul 2026

Gas, mcf lease total

Last 12 months 31 · prior 12 5,714(-99%)

Chain of custody

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

1Wagner Oil CompanyAug 2009 → May 2025

Permits

Permit	Type	Operator	Received	Issued	Spud	Depth
682097-99	Drill	Wagner Oil Company	Jun 12, 2009	Jun 17, 2009	Jul 6, 2009	11,500

Completions

Completed	Lease	Field	Operator	Status	Depth
—	— G-4-251618	—	—	—	—

Formation tops

As filed on W-2/G-1. Subsea from 38 ft elevation.Download CSV →

Formation	MD ft	Subsea
10700 Sand	10,750	-10,712
10850 Sand	10,935	-10,897
10800 Sand	70,860	-70,822

Perforations

Perforated and open-hole intervals.

From	To	Type
11,012	11,253	Perforated
11,110	11,253	Perforated

Casing

Strings as reported, shallowest first.

Casing in	Set at	Hole in	Cement
10.75	2,523	13.5	1,125 S
7	10,439	9.875	241 S
4.5	11,500	6.125	191 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
Sep 3, 2010	Aug 18, 2010	—
Jan 13, 2010	Nov 16, 2009	—
Nov 16, 2009	Sep 11, 2009	Yes
Oct 12, 2009	—	—

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 42-489-31230 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-489-31230 → 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/48931230, documented in the API reference.