WELL · 42-409-30464 · DISTRICT 4

London Gas Unit #1ST

N

San Patricio County  · Directional · Sidetrack

London Gas Unit #1ST (API 42-409-30464) is a permitted well in San Patricio County filed by Royal Production Company, Inc.; no completion report is on file yet.

The RRC has issued 2 drilling permits between 1993 and 1997, permitted to 11,500 ft.

Completion filings report 6 formation tops, including F 10, F 13, F 18, 80' F.

Operator of record

Royal Production Company, Inc.

Corpus Christ, TX · P-5 Y, filed Dec 4, 2025 · 235 permits on file · (361) 888-4792

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedulenone
Production reportsRoyal Production Company, Inc.through Jan 1996
Latest permitRoyal Production Company, Inc.Jul 18, 1997
11,500
total depth, ft
2
permits on file
Jul 18, 1997
last permit issued
—
completed
0
cumulative oil, bbl
6.57K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Mar 2010

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 2 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
London G-4-146516Portland, N.(la Farge B)Royal Production Company, Inc.104.62KMay 1993 – Mar 2010
London G-4-67457Portland, N. (Commonwealth SerieGraham Royalty, Ltd.101.96KJan 1993 – May 1993

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. 1Graham Royalty, Ltd.Mar 1993 → Sep 1993
  2. 2Midpar L.P.Jun 1994 → Feb 1995
  3. 3Parker & Parsley Development L.PMar 1995 → Oct 1995
  4. 4Royal Production Company, Inc.Nov 1995 → Jan 1996

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
465067-99Recompletion · sidetrackRoyal Production Company, Inc.Jul 18, 1997Jul 18, 1997—11,500
413543-99RecompletionGraham Royalty, Ltd.Jul 6, 1993Sep 10, 1993Mar 2, 199311,105

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-4-67457————
—— G-4-146516————

Formation tops

As filed on W-2/G-1. Subsea from 37 ft elevation.Download CSV →

FormationMD ftSubsea
F 109,490-9,453
F 139,616-9,579
F 189,926-9,889
80' F10,400-10,363
Watson10,492-10,455
Anderson10,967-10,930

Perforations

Perforated and open-hole intervals.

FromToType
9,4909,500Perforated
9,9389,942Perforated
10,97111,046Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
10.752,119151,742 S
7.62510,3849.875965 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
00Nov 2, 2000Jul 18, 2000—
00Nov 4, 1993Jul 8, 1993Yes
00Sep 27, 1993——
00Jan 12, 1984Aug 16, 1976—
00Jan 12, 1984Dec 10, 1974—

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/40930464, documented in the API reference.