TEXAS · WELLS · WEBB COUNTY · HIRSCH ESTATE 1766 LEASE · API 42-479-34004 · DISTRICT 04
Hirsch Estate 1766 #2
Webb County · Big Cowboy (Lobo) field · Producing · Vertical
Hirsch Estate 1766 #2 (API 42-479-34004) is a well in Webb County operated by Hilcorp Energy Company, completed March 4, 1992 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued October 15, 1984, permitted to 8,884 ft.
It was permitted by Hng Oil Company 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 10.1K barrels of oil and 437K mcf of gas since January 1993, last reporting volume in April 2026.
Operator of record
Permitted by HNG Oil Company; 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
- 3,454
- Phone
- (713) 209-2400
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Hilcorp Energy Company |
| Production reports | Hilcorp Energy Companythrough Apr 2026 |
| Latest permit | HNG Oil CompanyOct 15, 1984 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,884
- total depth, ft
- 1
- permits on file
- Oct 15, 1984
- last permit issued
- Mar 4, 1992
- completed
- 10.1K
- cumulative oil, bbl
- 437K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Apr 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Mar 4, 1992
- 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 →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Hirsch Estate 1766 G-4-115796 | Big Cowboy (Lobo) | Hilcorp Energy Company | 1 | 10.1K | 437K | Jan 1993 – Apr 2026 |
Gas, mcf lease total
Last 12 months 175 · prior 12 31
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Enron Oil & Gas CompanyJan 1993 → May 1995
- 2Conoco Inc.Jun 1995 → Dec 2002
- 3Conocophillips CompanyJan 2003 → Dec 2015
- 4Hilcorp Energy CompanyJan 2016 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 254399-99 | Drill | HNG Oil Company | Oct 12, 1984 | Oct 15, 1984 | Dec 30, 1984 | 9,900 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Mar 4, 1992 | Hirsch Estate 1766 G-4-115796 | Big Cowboy (Lobo) | Hilcorp Energy Company | Producing | 8,884 |
Formation tops
As filed on W-2/G-1. Subsea from 542 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Queen City | 2,443 | -1,901 |
| WilcoxWILCOX TD | 4,493 | -3,951 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,331 | 7,348 | Perforated |
| 7,483 | 7,494 | Perforated |
| 7,656 | 7,674 | Perforated |
| 8,454 | 8,637 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 488 | 12.25 | 235 S |
| 7 | 7,025 | 8.75 | 710 S |
| 4.5 | 8,884 | 6.25 | 255 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 | Apr 5, 1995 | Jan 24, 1995 | — |
| 00 | Apr 15, 1992 | Mar 20, 1992 | — |
| 00 | Jan 25, 1991 | Sep 21, 1990 | — |
| 00 | Jun 4, 1985 | Mar 26, 1985 | — |
| 00 | May 8, 1985 | — | — |
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 42-479-34004 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-479-34004 → 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/47934004, documented in the API reference.