WELL · 42-503-37951 · DISTRICT 9

Senkel #4

Senkel #4 (API 42-503-37951) is a permitted well in Young County filed by M-Ray Petroleum, Inc.; no completion report is on file yet.

The RRC has issued 2 drilling permits between 1984 and 1985, permitted to 5,200 ft.

Completion filings report one formation top, including Caddo.

Its lease has reported 109 barrels of oil since January 1993, last reporting in July 2026.

Operator of record

M-Ray Petroleum, Inc.

Garland, TX · P-5 Y, filed Jul 8, 1994 · 23 permits on file

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedule	none
Production reports	Davis, R. E. Oil & Gas, Inc.through Nov 2002
Latest permit	M-Ray Petroleum, Inc.May 21, 1985

5,200: total depth, ft
2: permits on file
May 21, 1985: last permit issued
—: completed
109: cumulative oil, bbl
0: cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 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
Senkel O-13-25341	Young County Regular	Karper Oil & Gas Corporation	1	109	0	Jan 1993 – 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.

1Davis, R. E. Oil & Gas, Inc.Feb 1999 → Nov 2002

Permits

Permit	Type	Operator	Received	Issued	Spud	Depth
275554-99	Recompletion	M-Ray Petroleum, Inc.	May 10, 1985	May 21, 1985	—	5,200
230383-99	Drill	M-Ray Petroleum, Inc.	Apr 29, 1985	Feb 24, 1984	Mar 1, 1984	5,200

Completions

Completed	Lease	Field	Operator	Status	Depth
—	— O-13-25341	—	—	—	—

Formation tops

As filed on W-2/G-1. Subsea from 1,188 ft elevation.Download CSV →

Formation	MD ft	Subsea
Caddo	4,182	-2,994

Perforations

Perforated and open-hole intervals.

From	To	Type
2,600	2,601	Perforated
5,080	5,084	Perforated

Casing

Strings as reported, shallowest first.

Casing in	Set at	Hole in	Cement
11	481	12.25	110 S
8.625	481	12.5	110 S
8.625	510	12.25	300 S
7.875	2,747	10.5	125 S
4.5	2,747	7.875	125 S
4.5	5,124	7.875	150 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
Feb 28, 2017	Feb 7, 2017	—
Feb 3, 1999	Jan 25, 1999	—
Mar 6, 1996	Feb 6, 1996	—
Jun 12, 1985	Apr 16, 1985	—
Jun 6, 1985	—	—

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 42-503-37951 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-503-37951 → 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/50337951, documented in the API reference.