WELL · 42-409-31837 · DISTRICT 4

Blaschke - Mayo #18

Blaschke - Mayo #18 (API 42-409-31837) is a permitted well in San Patricio County filed by Cox Resources Corp.; no completion report is on file yet.

The RRC has issued 4 drilling permits between 1983 and 1996, permitted to 9,070 ft.

Its 2 leases have reported 352 barrels of oil since January 1993, last reporting in August 2003. The leases carry 3 wells, so these are lease totals, not this well alone.

Operator of record

Cox Resources Corp.

Dallas, TX · P-5 Y, filed Dec 4, 2009 · 18 permits on file

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedule	none
Production reports	Cox Resources Corp.through Feb 2000
Latest permit	Cox Resources Corp.Dec 10, 1996

9,070: total depth, ft
4: permits on file
Dec 10, 1996: last permit issued
—: completed
352: cumulative oil, bbl
0: cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Aug 2003

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 2 leases this well is completed on; they carry 3 wells in total, so volumes are shared.Why →

Lease	Field	Reporting operator	Wells	Oil, bbl	Gas, mcf	Reported
Blaschke & Mayo Tr. 1 O-4-6783	Plymouth (6500-A)	Hec Petroleum, Inc.	2	352	0	Jan 1993 – Aug 2003
Blaschke-Mayo O-4-10397	Plymouth (H-45)	Hec Petroleum, Inc.	1	0	0	Jan 1993 – Aug 2003

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.

1Cox Resources Corp.Sep 1998 → Feb 2000

Permits

Permit	Type	Operator	Received	Issued	Spud	Depth
456127-99	Recompletion	Cox Resources Corp.	Dec 10, 1996	Dec 10, 1996	—	8,670
298443-99	Recompletion	Exxon Corp.	Feb 20, 1986	Feb 21, 1986	—	8,670
256057-99	Recompletion	Exxon Corp.	Oct 24, 1984	Oct 30, 1984	—	8,670
217629-99	Drill	Exxon Corp.	Oct 17, 1983	Oct 19, 1983	Nov 17, 1983	9,070

Completions

Completed	Lease	Field	Operator	Status	Depth
—	— O-4-6783	—	—	—	—
—	— O-4-10397	—	—	—	—

Perforations

Perforated and open-hole intervals.

From	To	Type
6,498	6,503	Perforated
6,522	6,527	Perforated
7,437	7,441	Perforated
7,455	7,460	Perforated

Casing

Strings as reported, shallowest first.

Casing in	Set at	Hole in	Cement
8.625	1,540	12.25	730 S
2.875	8,656	7.875	630 S
2.875	8,657	7.875	630 S
2.875	8,657	—	—

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 7, 1986	Apr 4, 1986	Yes
May 1, 1986	—	—
Apr 24, 1986	Apr 10, 1986	Yes
May 24, 1985	May 10, 1985	—
Mar 15, 1984	Dec 30, 1983	—
Mar 6, 1984	Dec 30, 1983	—
Mar 1, 1984	Jan 20, 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 42-409-31837 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-409-31837 → 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/40931837, documented in the API reference.