WELL · 42-255-00018 · DISTRICT 2

Falls City Unit #66

Falls City Unit #66 (API 42-255-00018) is a permitted well in Karnes County filed by Sun Expl. & Prod. CO.-Corpus; no completion report is on file yet.

The RRC has issued one drilling permit, issued August 13, 1984, permitted to 5,163 ft.

Its 3 leases have reported 125K barrels of oil and 2.93K mcf of gas since January 1993, last reporting in July 2026. The leases carry 32 wells, so these are lease totals, not this well alone.

Operator of record

Sun Expl. & Prod. Co.-Corpus

Based in: Houston, TX
P-5 status: Inactive (I)
Permits on file: 1,290
Phone: (512) 994-7000

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedule	none
Production reports	Britanco, L.L.C.through Apr 2026
Latest permit	Sun Expl. & Prod. Co.-CorpusAug 13, 1984

5,163: total depth, ft
1: permits on file
Aug 13, 1984: last permit issued
—: completed
125K: cumulative oil, bbl
2.93K: 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 3 leases this well is completed on; they carry 32 wells in total, so volumes are shared.Why →

Lease	Field	Reporting operator	Wells	Oil, bbl	Gas, mcf	Reported
Falls City Unit O-2-9048	Falls City (Wilcox Cons.)	Britanco, L.L.C.	25	72.6K	0	Jun 2006 – Jul 2026
Falls City Unit O-2-5367	Falls City (Lmoc)	Legend Natural Gas II, LP	5	20K	1.95K	Jan 1993 – Oct 2006
Falls City Unit O-2-5369	Falls City (Umoc)	Legend Natural Gas II, LP	2	32.2K	977	Jan 1993 – Oct 2006

Oil, barrels lease total

Last 12 months 1,277 · prior 12 1,654(-23%)

Chain of custody

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

1Petro Resources, Inc.Jan 1993 → Dec 1997
2Cliffwood Production Co.Jan 1998 → Apr 2000
3Ocean Energy, Inc.Nov 2001 → Jul 2002
4Legend Natural Gas II, LPJun 2006 → Mar 2009
5Amerril Energy LLCApr 2009 → Apr 2012
6Reveille Oil & Gas Operating,llcJun 2012 → Jul 2018
7Britanco, L.L.C.Aug 2018 → Apr 2026

Permits

Permit	Type	Operator	Received	Issued	Spud	Depth
248080-99	Recompletion	Sun Expl. & Prod. Co.-Corpus	Aug 10, 1984	Aug 13, 1984	—	5,163

Completions

Completed	Lease	Field	Operator	Status	Depth
—	— O-2-5367	—	—	—	—
—	— O-2-5369	—	—	—	—
—	— O-2-9048	—	—	—	—
—	— O-2-9048	—	—	—	—

Perforations

Perforated and open-hole intervals.

From	To	Type
—	5,082	Perforated
—	5,163	Perforated

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	Oct 10, 2006	—	—
00	Jan 12, 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 42-255-00018 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-255-00018 → 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/25500018, documented in the API reference.