WELL · 42-355-33437 · DISTRICT 4

State Tract 433 Gas Unit #1

Plugged

Nueces County · Shamrock Cove E. (8150) field  · Directional

State Tract 433 Gas Unit #1 (API 42-355-33437) is a plugged well in Nueces County, plugged March 28, 2013, last operated by Petrogulf Corporation.

The RRC has issued 3 drilling permits (amended twice) between 2001 and 2010, permitted to 10,545 ft.

Completion filings report one formation top, including Frio.

Operator of record

Petrogulf Corporation

Denver, CO · P-5 Y, filed Feb 4, 2026 · 11 permits on file · (303) 968-8828

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedulePetrogulf Corporation
Production reportsPetrogulf Corporationthrough Feb 2012
Latest permitPetrogulf CorporationNov 2, 2010
10,545
total depth, ft
5
permits on file
Nov 2, 2010
last permit issued
Sep 5, 2006
completed
0
cumulative oil, bbl
2.68M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · May 2002 THROUGH Oct 2013

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Sep 5, 2006
Shut in
—
Plugged
Mar 28, 2013

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

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
State Tract 433 Gas Unit G-4-223509Shamrock Cove, E. (8150)Petrogulf Corporation101.37MAug 2006 – Oct 2013
State Tract 433 GU O-4-13762Mustang Island (10-6930)Petrogulf Corporation100Jun 2011 – Sep 2013
State Tract 433 Gas Unit G-4-189856Shamrock Cove, E. (22 Sand)Southwestern Energy Prod. Co.101.31MMay 2002 – Sep 2006

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. 1Southwestern Energy Prod. Co.May 2002 → Apr 2008
  2. 2Petrogulf CorporationMay 2008 → Feb 2012

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
704129-98RecompletionPetrogulf CorporationMar 5, 2013Nov 2, 2010Nov 16, 20108,454
704129-99RecompletionPetrogulf CorporationOct 21, 2010Nov 2, 2010Nov 18, 20108,454
624457-99RecompletionSouthwestern Energy Prod. Co.Aug 16, 2006Aug 16, 2006Aug 17, 20068,500
515913-98DrillDewbre Petroleum CorporationJun 17, 2002Dec 11, 2001Dec 23, 200110,545
515913-99DrillDewbre Petroleum CorporationDec 7, 2001Dec 11, 2001—10,100

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-4-189856————
—— G-4-223509————
—— O-4-13762————

Formation tops

As filed on W-2/G-1. Subsea from 6 ft elevation.Download CSV →

FormationMD ftSubsea
FrioFRIO "10 A"6,962-6,956
FrioFRIO 10A7,371-7,365
FrioFRIO "5 A"7,540-7,534
FrioFRIO "8 B"7,870-7,864
FrioFRIO 5B8,011-8,005
FrioFRIO 10B8,450-8,444
FrioFRIO 278,810-8,804
FrioFRIO 359,440-9,434

Perforations

Perforated and open-hole intervals.

FromToType
7,3727,377Perforated
8,3168,322Perforated
8,3488,349Perforated
8,4268,427Perforated
8,4538,455Perforated
8,4748,475Perforated
8,4808,484Perforated
8,5308,531Perforated
8,9128,916Open hole
8,9348,939Open hole
9,4409,460Open hole

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
10.752,00014.751,220 S
7.6258,9029.875500 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
00Jul 10, 2013Feb 25, 2011—
00Apr 11, 2007Dec 27, 2006Yes
00Dec 29, 2006——
00May 21, 2003Apr 14, 2003—
00Aug 29, 2002Jun 19, 2002Yes
00Aug 9, 2002——

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/35533437, documented in the API reference.