WELL · 42-383-01377 · DISTRICT 7

Reynolds #41-4

Reynolds #41-4 (API 42-383-01377) is a permitted well in Reagan County filed by Cass, Frank; no completion report is on file yet.

The RRC has issued one drilling permit, issued November 30, 1979, permitted to 7,660 ft.

Its 2 leases have reported 87.5K barrels of oil and 608K mcf of gas since January 1993, last reporting in July 2026. The leases carry 9 wells, so these are lease totals, not this well alone.

Operator of record

Cass, Frank

Based in: Dallas, TX
P-5 status: Inactive (I)
P-5 last filed: Dec 22, 1981
Permits on file: 70
Phone: (214) 747-1946

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedule	none
Production reports	Diamondback E&P LLCthrough Nov 2025
Latest permit	Cass, FrankNov 30, 1979

7,660: total depth, ft
1: permits on file
Nov 30, 1979: last permit issued
—: completed
87.5K: cumulative oil, bbl
608K: 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 2 leases this well is completed on; they carry 9 wells in total, so volumes are shared.Why →

Lease	Field	Reporting operator	Wells	Oil, bbl	Gas, mcf	Reported
Reynolds "41" O-9-7985	Spraberry (Trend Area)	Diamondback E&P LLC	6	78.7K	577K	Jan 1993 – Jul 2026
Reynolds O-9-6190	Calvin (Dean)	Roberts & Hammack, Inc.	3	8.77K	31.3K	Jan 1993 – Jan 1996

Oil, barrels lease total

Last 12 months 57 · prior 12 171(-67%)

Chain of custody

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

1Roberts & Hammack, Inc.Jan 1993 → Jun 2000
2Stephens, Autry C.Jul 2000 → Aug 2000
3Endeavor Energy Resources L.P.Sep 2000 → Dec 2024
4Diamondback E&P LLCJan 2025 → Nov 2025

Permits

Permit	Type	Operator	Received	Issued	Spud	Depth
65084-99	Recompletion	Cass, Frank	Nov 30, 1979	Nov 30, 1979	—	7,660

Completions

Completed	Lease	Field	Operator	Status	Depth
—	— O-9-6190	—	—	—	—
—	— O-9-7985	—	—	—	—

Perforations

Perforated and open-hole intervals.

From	To	Type
7,540	7,606	Perforated
8,089	8,249	Perforated

Casing

Strings as reported, shallowest first.

Casing in	Set at	Hole in	Cement
10.75	371	—	300 S
5.5	7,630	7.875	365 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
Oct 4, 2001	Jun 13, 2001	—
Dec 22, 1995	Feb 26, 1973	—
Jan 12, 1984	Feb 26, 1973	—

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 42-383-01377 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-383-01377 → 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/38301377, documented in the API reference.