WELL · 42-283-31925 · DISTRICT 1

Cartwright #1

Y

LA Salle County · Tres Encanto (Escondido) field · Shut IN  · Vertical

Cartwright #1 (API 42-283-31925) is a well in La Salle County operated by Millennium Petro-Physics Inc., completed April 19, 2006 and listed as shut in on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued January 17, 2006, permitted to 7,000 ft.

It was permitted by Alamo Operating Company, L. C. and has since transferred to Millennium Petro-Physics Inc. on the wellbore schedule.

Completion filings report 3 formation tops, including T/Carrizo, B/Wilcox, T/Escondido.

Its lease has reported 1.3K barrels of oil since April 2006, last reporting in July 2026.

Operator of record

Millennium Petro-Physics Inc.

Permitted by Alamo Operating Company, L. C.; the EWA schedule now lists a different operator.

Corpus Chrsti, TX · P-5 Y, filed Nov 4, 2025 · (361) 232-7819

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleMillennium Petro-Physics Inc.
Production reportsAlamo Operating Company, L. C.through Apr 2007
Latest permitAlamo Operating Company, L. C.Jan 17, 2006

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

7,000
total depth, ft
2
permits on file
Jan 17, 2006
last permit issued
Apr 19, 2006
completed
1.3K
cumulative oil, bbl
0
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Apr 2006 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Apr 19, 2006
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

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 →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Cartwright O-1-14734Tres Encanto (Escondido)Millennium Petro-Physics, Inc.11.3K0Apr 2006 – Jul 2026

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.

  1. 1Alamo Operating Company, L. C.Apr 2006 → Apr 2007

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
612511-98DrillAlamo Operating Company, L. C.Aug 4, 2006Jan 17, 2006Jan 31, 20067,000
612511-99DrillAlamo Operating Company, L. C.Jan 17, 2006Jan 17, 2006Jan 31, 20067,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-1-14734————

Formation tops

As filed on W-2/G-1. Subsea from 366 ft elevation.Download CSV →

FormationMD ftSubsea
T/Carrizo3,000-2,634
B/Wilcox5,600-5,234
T/Escondido6,480-6,114

Perforations

Perforated and open-hole intervals.

FromToType
6,6306,836Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.62591012.25155 S
4.56,9308.75400 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 →

SuffixFiledW-2 / G-1 dateLogs referenced
00Feb 14, 2007May 9, 2006Yes
00Oct 6, 2006——

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.

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/28331925, documented in the API reference.