TEXAS · WELLS · ZAPATA COUNTY · DE LOS SANTOS GAS UNIT 1 LEASE · API 42-505-32386 · DISTRICT 04
De Los Santos Gas Unit 1 #1
Zapata County · Haynes (Middle Wilcox Cons.) field · Producing · Vertical
De Los Santos Gas Unit 1 #1 (API 42-505-32386) is a well in Zapata County operated by Hilcorp Energy Company, completed December 17, 1987 and listed as producing on the RRC schedule, shut in September 1, 2020.
The RRC has issued one drilling permit (amended once), issued October 23, 1986, permitted to 11,905 ft.
It was permitted by Houston Exploration Company, The and has since transferred to Hilcorp Energy Company on the wellbore schedule.
Completion filings report 2 formation tops, including Queen City, Wilcox.
Its lease has reported 126 barrels of oil and 1.31M mcf of gas since the record begins in January 1993, with no volume in the three years through April 2026.
Operator of record
Permitted by Houston Exploration Company, The; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Mar 27, 2026
- Permits on file
- 3,458
- Phone
- (713) 209-2400
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Hilcorp Energy Company |
| Production reports | Hilcorp Energy Companythrough Aug 2020 |
| Latest permit | Houston Exploration Company, TheOct 23, 1986 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 11,905
- total depth, ft
- 2
- permits on file
- Oct 23, 1986
- last permit issued
- Dec 17, 1987
- completed
- 126
- cumulative oil, bbl
- 1.31M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · ON RECORD FROM JAN 1993, THE RECORD'S FIRST MONTH, THROUGH AUG 2020
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Dec 17, 1987
- Shut in
- Sep 1, 2020
- 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.
Texas locations come from drilling permits, so most older Texas wells have none and are not listed.
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 →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| De Los Santos Gas Unit 1 G-4-126080 | Haynes (Middle Wilcox Cons.) | Hilcorp Energy Company | 1 | 126 | 1.31M | by Jan 1993 – Aug 2020 |
No volumes reported on these leases in the last three years.
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 wellsChain of custody
Every operator that reported production on this well's lease, in order.
- 1Transamerican Natural Gas Corp.Jan 1993 → Jun 1996
- 2Houston Exploration Company, TheJul 1996 → Jun 2007
- 3Forest Oil CorporationJul 2007 → Dec 2012
- 4Hilcorp Energy CompanyDec 2013 → Aug 2020
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 337732-98 | Drill | Houston Exploration Company, The | Jan 24, 2007 | Oct 23, 1986 | Nov 1, 1987 | 11,905 |
| 337732-99 | Drill | Transamerican Natural Gas Corp. | Oct 21, 1987 | Oct 23, 1986 | Nov 1, 1987 | 12,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Dec 17, 1987 | De Los Santos Gas Unit 1 G-4-126080 | Haynes (Middle Wilcox Cons.) | Hilcorp Energy Company | Producing · shut in Sep 1, 2020 | 11,905 |
Formation tops
As filed on W-2/G-1. Subsea from 466 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Queen City | 3,900 | -3,434 |
| WilcoxWILCOX (CARRIZO) | 6,910 | -6,444 |
| WilcoxLOWER WILCOX | 9,110 | -8,644 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,685 | 10,731 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 752 | 14.75 | 530 S |
| 7.625 | 9,100 | 9.875 | 365 S |
| 5 | 11,903 | 6.75 | 280 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 →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Feb 18, 1988 | Jan 7, 1988 | Yes |
| 00 | Feb 17, 1988 | Jan 12, 1988 | — |
| 00 | Feb 3, 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.
- Wellbore filings for 42-505-32386 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-505-32386 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it.
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/50532386, documented in the API reference.