WELL · 42-505-30427 · DISTRICT 4
McMurrey Wm. #21
Zapata County · LA Perla (Lobo Cons.) field · Producing · Vertical
Mcmurrey WM. #21 (API 42-505-30427) is a well in Zapata County operated by Hilcorp Energy Company, completed November 5, 1976 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued December 23, 1992, permitted to 10,334 ft.
It was permitted by Transamerican Natural Gas Corp. and has since transferred to Hilcorp Energy Company on the wellbore schedule.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Transamerican Natural Gas Corp.; 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 | none |
| Production reports | Hilcorp Energy Companythrough Apr 2026 |
| Latest permit | Transamerican Natural Gas Corp.Dec 23, 1992 |
- 10,334
- total depth, ft
- 1
- permits on file
- Dec 23, 1992
- last permit issued
- Nov 5, 1976
- completed
- 0
- cumulative oil, bbl
- 625K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Nov 5, 1976
- 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 |
|---|---|---|---|---|---|---|
| McMurrey, Wm. G-4-68912 | LA Perla (Lobo Cons.) | Hilcorp Energy Company | 1 | 0 | 625K | Jan 1993 – Jul 2026 |
Gas, mcf lease total
Last 12 months 2,154 · prior 12 3,587(-40%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Transamerican Natural Gas Corp.Jan 1993 → Jul 1993
- 2Transtexas Gas CorporationAug 1993 → May 1997
- 3Conoco Inc.Jun 1997 → Dec 2002
- 4Conocophillips CompanyJan 2003 → Dec 2015
- 5Hilcorp Energy CompanyJan 2016 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 407638-99 | Recompletion | Transamerican Natural Gas Corp. | Dec 23, 1992 | Dec 23, 1992 | — | 10,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Nov 5, 1976 | McMurrey Wm. G-4-68912 | LA Perla (Lobo Cons.) | Hilcorp Energy Company | Producing | 10,334 |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 506 | 14.75 | 315 S |
| 7 | 6,442 | 9.875 | 650 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 →
| Suffix | Filed | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Jan 12, 1984 | Nov 18, 1976 | — |
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 42-505-30427 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-505-30427 → scanned completion filings
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/50530427, documented in the API reference.