WELL · 42-505-33602 · DISTRICT 4

Cuellar Gas Unit #1

Cuellar Gas Unit #1 (API 42-505-33602) is a permitted well in Zapata County filed by Tesoro E&P Company, L.P.; no completion report is on file yet.

The RRC has issued 2 drilling permits between 1997 and 1998, permitted to 14,000 ft.

Completion filings report 3 formation tops, including Queen City, Alaska, Wilcox.

Operator of record

Tesoro E&P Company, L.P.

San Antonio, TX · P-5 Y, filed Mar 3, 2000 · 104 permits on file

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedule	none
Production reports	Tesoro E&P Company, L.P.through Feb 1998
Latest permit	Tesoro E&P Company, L.P.Mar 4, 1998

14,000: total depth, ft
2: permits on file
Mar 4, 1998: last permit issued
—: completed
0: cumulative oil, bbl
190K: cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Sep 1997 THROUGH Oct 1998

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
Cuellar Gas Unit G-4-166574	Grey Eagles (L-1)	Tesoro E&P Company, L.P.	1	0	190K	Sep 1997 – Oct 1998

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.

1Tesoro E&P Company, L.P.Sep 1997 → Feb 1998

Permits

Permit	Type	Operator	Received	Issued	Spud	Depth
474040-99	Recompletion	Tesoro E&P Company, L.P.	Mar 4, 1998	Mar 4, 1998	—	14,000
461897-99	Drill	Tesoro E&P Company, L.P.	May 2, 1997	May 14, 1997	Jun 20, 1997	14,000

Completions

Completed	Lease	Field	Operator	Status	Depth
—	— G-4-166574	—	—	—	—

Formation tops

As filed on W-2/G-1. Download CSV →

Formation	MD ft
Queen CityQUEEN CITY TOP	4,500
Queen CityQUEEN CITY BASE	5,900
Alaska	6,910
WilcoxTOP WILCOX	8,100

Perforations

Perforated and open-hole intervals.

From	To	Type
11,450	11,504	Perforated
11,660	11,680	Perforated
12,005	12,015	Perforated

Casing

Strings as reported, shallowest first.

Casing in	Set at	Hole in	Cement
13.375	1,624	17.5	1,115 S
9.625	7,810	12.25	1,605 S
7.625	12,248	8.5	385 S
5	13,229	6.5	240 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	Mar 12, 1998	Oct 10, 1997	Yes
00	Feb 25, 1998	—	—

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 42-505-33602 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-505-33602 → 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/50533602, documented in the API reference.