WELL · 42-427-31848 · DISTRICT 4

Reilly Gas Unit #5

Reilly Gas Unit #5 (API 42-427-31848) is a permitted well in Starr County filed by Marwell Petroleum Ltd Partnrship; no completion report is on file yet.

The RRC has issued 2 drilling permits between 1983 and 2017, permitted to 5,100 ft.

Completion filings report one formation top, including Lower Reilly.

Operator of record

Marwell Petroleum Ltd Partnrship

Houston, TX · P-5 Y, filed Nov 4, 2025 · 2 permits on file · (575) 725-0324

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedule	none
Production reports	Marwell Petroleum Ltd Partnrshipthrough Jan 2017
Latest permit	Marwell Petroleum Ltd PartnrshipMar 9, 2017

5,100: total depth, ft
2: permits on file
Mar 9, 2017: last permit issued
—: completed
0: cumulative oil, bbl
628K: cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Aug 2022

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
Reilly Gas Unit G-4-109604	Reilly (Vicksburg)	Marwell Petroleum Ltd Partnrship	1	0	628K	Jan 1993 – Aug 2022

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.

1Oryx Energy CompanyJan 1993 → Mar 1999
2Kerr-McGee CorporationMay 1999 → Sep 1999
3Kerr-McGee Oil & Gas Onshore LLCOct 1999 → Nov 2005
4Marwell Petroleum, Inc.Dec 2005 → Apr 2006
5Marwell Petroleum Ltd PartnrshipMay 2006 → Jan 2017

Permits

Permit	Type	Operator	Received	Issued	Spud	Depth
823633-99	Recompletion	Marwell Petroleum Ltd Partnrship	Feb 22, 2017	Mar 9, 2017	—	4,300
223687-99	Drill	Sun Expl. & Prod. Co.-Corpus	Dec 12, 1983	Dec 15, 1983	Jan 10, 1984	5,100

Completions

Completed	Lease	Field	Operator	Status	Depth
—	— G-4-109604	—	—	—	—

Formation tops

As filed on W-2/G-1. Subsea from 141 ft elevation.Download CSV →

Formation	MD ft	Subsea
Lower Reilly	4,830	-4,689

Perforations

Perforated and open-hole intervals.

From	To	Type
4,498	4,560	Perforated

Casing

Strings as reported, shallowest first.

Casing in	Set at	Hole in	Cement
8.625	1,007	12.25	410 sx
4.5	4,900	7.875	450 sx

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 21, 1984	Apr 11, 1984	—
Apr 17, 1984	Apr 11, 1984	—
Mar 30, 1984	Apr 11, 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 42-427-31848 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-427-31848 → 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/42731848, documented in the API reference.