TEXAS · WELLS · ZAPATA COUNTY · DE LOS SANTOS GAS UNIT 1 LEASE · API 42-505-32431 · DISTRICT 04

De Los Santos Gas Unit 1 #5

On schedule

Zapata County · Haynes (Middle Wilcox Cons.) field · Producing  · Vertical

Permitted field
El Huerfano (10800)
The district's wildcat field is also on the permit.

De Los Santos Gas Unit 1 #5 (API 42-505-32431) is a well in Zapata County operated by Hilcorp Energy Company, completed June 22, 1988 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued March 14, 1988, permitted to 12,000 ft.

It was permitted by Transamerican Natural Gas Corp. and has since transferred to Hilcorp Energy Company on the wellbore schedule.

Completion filings report 2 formation tops, including Wilcox, Wills Point.

Its lease has reported 219 barrels of oil and 1.91M mcf of gas since the record begins in January 1993, last reporting volume in August 2026.

Operator of record

Hilcorp Energy Company

Permitted by Transamerican Natural Gas Corp.; the EWA schedule now lists a different operator.

Based in
Houston, TX
P-5 status
Active (A)
P-5 last filed
Mar 27, 2026
Permits on file
3,459
Phone
(713) 209-2400

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleHilcorp Energy Company
Production reportsHilcorp Energy Companythrough Aug 2026
Latest permitTransamerican Natural Gas Corp.Mar 14, 1988

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

12,000
total depth, ft
1
permits on file
Mar 14, 1988
last permit issued
Jun 22, 1988
completed
219
cumulative oil, bbl
1.91M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · ON RECORD FROM JAN 1993, THE RECORD'S FIRST MONTH, THROUGH AUG 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Jun 22, 1988
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.

Wells nearby

Every well with a location on file around this well, in any state, nearest first.

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Texas locations come from drilling permits, so most older Texas wells have none and are not listed.

Lease production

PDQ LEASE REPORTS · REPORTED THROUGH AUG 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 Los Santos Gas Unit 1 G-4-127866Haynes (Middle Wilcox Cons.)Hilcorp Energy Company12191.91Mby Jan 1993 – Aug 2026

Gas, mcf lease total

Last 12 months 28,956 · prior 12 28,087(+3%)

02K4K202420252026

Wells named De Los Santos Gas Unit 1

Hilcorp Energy Company's other wells filed under this lease name in Zapata County, newest permit first. The RRC gives a gas well its own lease number, so the name is what joins the wells of a unit.

Loading the lease's wells

Chain of custody

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

  1. 1Transamerican Natural Gas Corp.Jan 1993 → Jul 1993
  2. 2Transtexas Gas CorporationAug 1993 → Jun 1996
  3. 3Houston Exploration Company, TheJul 1996 → Jun 2007
  4. 4Forest Oil CorporationJul 2007 → Dec 2012
  5. 5Hilcorp Energy CompanyJan 2013 → Aug 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
343665-99DrillTransamerican Natural Gas Corp.Mar 9, 1988Mar 14, 1988—12,000

Completions

CompletedLeaseFieldOperatorStatusDepth
Jun 22, 1988De Los Santos Gas Unit 1 G-4-127866Haynes (Middle Wilcox Cons.)Hilcorp Energy CompanyProducing12,000

Formation tops

As filed on W-2/G-1. Subsea from 466 ft elevation.Download CSV →

FormationMD ftSubsea
Wilcox6,670-6,204
WilcoxLOWER WILCOX9,000-8,534
Wills Point——

Perforations

Perforated and open-hole intervals.

FromToType
10,28811,120Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
10.7575014.75530 S
7.6259,0889.875365 S
5.512,0006.75305 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
00Sep 6, 1988Jul 11, 1988Yes
00Aug 20, 1988——

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.

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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/50532431, documented in the API reference.