WELL · 42-489-31238 · DISTRICT 4

Cox B. F. #15

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

Cox B. F. #15 (API 42-489-31238) is a well in Willacy County operated by Wagner Oil Company, completed May 30, 2010 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued October 16, 2009, permitted to 11,250 ft.

Completion filings report 5 formation tops, including 10700 Sand, 10700 Snd, 10800 Sand, 10800 Snd.

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 Feb 2026
Latest permit	Wagner Oil CompanyOct 16, 2009

11,250: total depth, ft
1: permits on file
Oct 16, 2009: last permit issued
May 30, 2010: completed
0: cumulative oil, bbl
2.57M: cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 2010 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule: ON SCHEDULE
Completed: May 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-4-255406	LA Sal Vieja (Frio Cons)	Wagner Oil Company	1	0	2.57M	Jan 2010 – Jul 2026

Gas, mcf lease total

Last 12 months 1,606 · prior 12 1,031(+56%)

Chain of custody

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

1Wagner Oil CompanyMay 2010 → Feb 2026

Permits

Permit	Type	Operator	Received	Issued	Spud	Depth
686225-99	Drill	Wagner Oil Company	Oct 16, 2009	Oct 16, 2009	Dec 18, 2009	11,250

Completions

Completed	Lease	Field	Operator	Status	Depth
—	— G-4-255406	—	—	—	—

Formation tops

As filed on W-2/G-1. Subsea from 37 ft elevation.Download CSV →

Formation	MD ft	Subsea
10700 Sand	1,066	-1,029
10700 SND	10,600	-10,563
10800 Sand	10,700	-10,663
10800 SND	10,700	-10,663
10850 SND	10,800	-10,763

Perforations

Perforated and open-hole intervals.

From	To	Type
11,252	11,272	Perforated

Casing

Strings as reported, shallowest first.

Casing in	Set at	Hole in	Cement
10.75	2,520	13.5	971 S
7	10,489	9.875	374 S
4.5	11,400	6.125	210 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
Jul 16, 2010	Jul 1, 2010	—
Jun 7, 2010	Mar 5, 2010	Yes
Apr 23, 2010	—	—

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 42-489-31238 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-489-31238 → 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/48931238, documented in the API reference.