WELL · 42-461-31291 · DISTRICT 7

Duff #2

Plugged

Upton County · Spraberry (Trend Area) field · Vertical

Duff #2 (API 42-461-31291) is a plugged well in Upton County, plugged September 30, 2024, last operated by Vital Energy Inc..

The RRC has issued one drilling permit, issued March 13, 1978, permitted to 8,800 ft.

It was permitted by Cox, John L. and has since transferred to Vital Energy Inc. on the wellbore schedule.

Its lease has reported 49.4K barrels of oil and 218K mcf of gas since January 1993, last reporting in June 2025. The lease carries 3 wells, so these are lease totals, not this well alone.

Operator of record

Vital Energy Inc.

Permitted by Cox, John L.; the EWA schedule now lists a different operator.

Based in: Houston, TX
P-5 status: Active (A)
P-5 last filed: Mar 3, 2026
Permits on file: 337
Phone: (713) 332-7001

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedule	Vital Energy Inc.
Production reports	Henry Resources LLCthrough Dec 2021
Latest permit	Cox, John L.Mar 13, 1978

The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.

8,800: total depth, ft
1: permits on file
Mar 13, 1978: last permit issued
Apr 26, 1978: completed
49.4K: cumulative oil, bbl
218K: cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jun 2025

Regulatory status · RRC wellbore file

Schedule: OFF SCHEDULE
Completed: Apr 26, 1978
Shut in: —
Plugged: Sep 30, 2024

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; they carry 3 wells in total, so volumes are shared.Why →

Lease	Field	Reporting operator	Wells	Oil, bbl	Gas, mcf	Reported
Duff O-9-7417	Spraberry (Trend Area)	Vital Energy, Inc.	3	49.4K	218K	Jan 1993 – Jun 2025

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, John L.Jan 1993 → Sep 2003
2JM Cox Resources, L.P.Oct 2003 → Jul 2018
3Henry Resources LLCAug 2018 → May 2021

Permits

Permit	Type	Operator	Received	Issued	Spud	Depth
19963-99	Drill	Cox, John L.	Mar 13, 1978	Mar 13, 1978	—	8,800

Completions

Completed	Lease	Field	Operator	Status	Depth
—	— O-9-7417	—	—	—	—

Perforations

Perforated and open-hole intervals.

From	To	Type
7,075	8,580	Perforated

Casing

Strings as reported, shallowest first.

Casing in	Set at	Hole in	Cement
8.625	430	11	350 S
5.5	8,620	7.875	700 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 →

Suffix	Filed	W-2 / G-1 date	Logs referenced
00	Jan 12, 1984	May 1, 1978	—

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 42-461-31291 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-461-31291 → scanned completion filings

Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. 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/46131291, documented in the API reference.