WELL · 42-479-34561 · DISTRICT 4
Hereford L.M. #27
Webb County · Bashara-Hereford (Wilcox 5900) field · Directional · Sidetrack
Hereford L.M. #27 (API 42-479-34561) is a plugged well in Webb County, plugged June 8, 1999, last operated by North Central Oil Corp..
The RRC has issued one drilling permit (amended twice), issued July 30, 1987, permitted to 8,500 ft.
It was permitted by Sanchez-O'Brien Oil & Gas Corp. and has since transferred to North Central Oil Corp. on the wellbore schedule.
Completion filings report 4 formation tops, including Queen City, Carrizo, Wilcox, Lobo Wilcox.
Operator of record
Permitted by Sanchez-O'Brien Oil & Gas Corp.; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Inactive (I)
- P-5 last filed
- Jul 13, 2005
- Permits on file
- 558
- Phone
- (713) 297-5752
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | North Central Oil Corp. |
| Production reports | North Central Oil Corp.through Mar 1999 |
| Latest permit | Sanchez-O'Brien Oil & Gas Corp.Jul 30, 1987 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,500
- total depth, ft
- 3
- permits on file
- Jul 30, 1987
- last permit issued
- Oct 21, 1987
- completed
- 0
- cumulative oil, bbl
- 51.2K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Sep 1999
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Oct 21, 1987
- Shut in
- —
- Plugged
- Jun 8, 1999
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 |
|---|---|---|---|---|---|---|
| Hereford, L.M. G-4-125890 | Bashara-Hereford (Wilcox 5900) | North Central Oil Corp. | 1 | 0 | 51.2K | Jan 1993 – Sep 1999 |
No volumes reported on these leases in the last three years.
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Sanchez-O'Brien Oil & Gas Corp.Jan 1993 → Dec 1994
- 2North Central Oil Corp.Jan 1995 → Mar 1999
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 333668-97 | Drill · sidetrack | Sanchez-O'Brien Oil & Gas Corp. | Nov 10, 1987 | Jul 30, 1987 | — | 7,400 |
| 333668-98 | Drill · sidetrack | Sanchez-O'Brien Oil & Gas Corp. | Sep 17, 1987 | Jul 30, 1987 | — | 7,400 |
| 333668-99 | Drill | Sanchez-O'Brien Oil & Gas Corp. | Jul 29, 1987 | Jul 30, 1987 | — | 8,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-125890 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 452 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Queen City | 1,600 | -1,148 |
| CarrizoCARRIZO WILCOX | 3,000 | -2,548 |
| WilcoxLOWER WILCOX | 4,870 | -4,418 |
| Lobo Wilcox | 6,650 | -6,198 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,620 | 5,633 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 920 | 14.75 | 530 S |
| 7.625 | 5,800 | 9.875 | 4,400 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 | Feb 1, 1988 | Nov 5, 1987 | Yes |
| 00 | Jan 9, 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 42-479-34561 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-479-34561 → 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/47934561, documented in the API reference.