TEXAS · WELLS · HIDALGO COUNTY · DE AUSTIN-CASTILLO GU LEASE · API 42-215-32466 · DISTRICT 04

De Austin-Castillo GU #4

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Hidalgo County · Jeffress NE. (T Lo.-FB A) field · Producing  · Vertical

De Austin-Castillo GU #4 (API 42-215-32466) is a well in Hidalgo County operated by Merit Energy Company, completed October 28, 1997 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued August 26, 1997, permitted to 12,800 ft.

It was permitted by Coastal Oil & Gas Corporation and has since transferred to Merit Energy Company on the wellbore schedule.

Completion filings report 5 formation tops, including Sullivan, J-1 Sd., K-1 Sd., S Sd..

Its lease has reported 34.8K barrels of oil and 2.34M mcf of gas since October 1997, last reporting volume in April 2026.

Operator of record

Merit Energy Company

Permitted by Coastal Oil & Gas Corporation; the EWA schedule now lists a different operator.

Based in
Dallas, TX
P-5 status
Active (A)
P-5 last filed
Nov 7, 2025
Permits on file
1,049
Phone
(972) 701-8377

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleMerit Energy Company
Production reportsMerit Energy Companythrough Apr 2026
Latest permitCoastal Oil & Gas CorporationAug 26, 1997

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

12,800
total depth, ft
1
permits on file
Aug 26, 1997
last permit issued
Oct 28, 1997
completed
34.8K
cumulative oil, bbl
2.34M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Oct 1997 THROUGH Apr 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Oct 28, 1997
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active (A)

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
De Austin-Castillo GU G-4-165693Jeffress, NE. (T, Lo.-Fb,a)Merit Energy Company134.8K2.34MOct 1997 – Apr 2026

Gas, mcf lease total

Last 12 months 17,138 · prior 12 7,305(+135%)

02K4K6K202420252026

Chain of custody

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

  1. 1Coastal Oil & Gas CorporationOct 1997 → Jun 2001
  2. 2El Paso Production Oil & Gas Co.Jul 2001 → Jul 2006
  3. 3El Paso E & P Company, L. P.Aug 2006 → Jul 2012
  4. 4EP Energy E&P Company, L.P.Aug 2012 → Oct 2013
  5. 5Cantera Operating, LLCNov 2013 → Nov 2017
  6. 6Merit Energy CompanyDec 2017 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
466758-99DrillCoastal Oil & Gas CorporationAug 26, 1997Aug 26, 1997Sep 24, 199714,000

Completions

CompletedLeaseFieldOperatorStatusDepth
Oct 28, 1997De Austin-Castillo GU G-4-165693Jeffress NE. (T Lo.-FB A)Merit Energy CompanyProducing12,800

Formation tops

As filed on W-2/G-1. Subsea from 313 ft elevation.Download CSV →

FormationMD ftSubsea
Sullivan5,170-4,857
J-1 Sd.7,340-7,027
K-1 Sd.8,212-7,899
S Sd.10,662-10,349
Lwr. T Sd.12,112-11,799

Perforations

Perforated and open-hole intervals.

FromToType
12,11812,354Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3752,02817.51,335 S
9.6258,05012.251,125 S
4.512,8008.51,250 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →

SuffixRRC record dateW-2 / G-1 dateLogs referenced
00Jan 7, 1998Dec 29, 1997Yes
00Jan 2, 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.

Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it.

Find logs withinmiles of this well:List →Map →

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/21532466, documented in the API reference.