WELL · 42-479-34433 · DISTRICT 4
Hereford, L. M. "B" #17
Webb County · Vertical
Hereford, L. M. "B" #17 (API 42-479-34433) is a permitted well in Webb County filed by Sanchez-O'Brien Oil & Gas Corp.; no completion report is on file yet.
The RRC has issued 2 drilling permits between 1977 and 1986, permitted to 9,500 ft.
Completion filings report 5 formation tops, including Queen City, Carrize Wilcox, Carrizo, Wilcox.
Operator of record
Sanchez-O'Brien Oil & Gas Corp.
Houston, TX · P-5 Y, filed Jul 6, 1998 · 493 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | Merit Energy Companythrough Apr 2026 |
| Latest permit | Sanchez-O'Brien Oil & Gas Corp.Oct 22, 1986 |
- 9,500
- total depth, ft
- 2
- permits on file
- Oct 22, 1986
- last permit issued
- —
- completed
- 0
- cumulative oil, bbl
- 999K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- Shut in
- —
- Plugged
- —
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. -B- G-4-123254 | Bashara-Hereford (7300) | Merit Energy Company | 1 | 0 | 999K | Jan 1993 – Jul 2026 |
Gas, mcf lease total
Last 12 months 1,292 · prior 12 2,087(-38%)
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 → Dec 2005
- 3Pogo Producing CompanyJan 2006 → Jan 2008
- 4Pogo Producing Company LLCFeb 2008 → Aug 2011
- 5Plains Exploration & Prod. Co.Sep 2011 → Feb 2012
- 6OXY USA Inc.Mar 2012 → Apr 2017
- 7Merit Energy CompanyMay 2017 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 322049-99 | Drill | Sanchez-O'Brien Oil & Gas Corp. | Oct 20, 1986 | Oct 22, 1986 | — | 9,500 |
| 7511-99 | Drill | Sanchez-O'Brien Petro. Corp. | Sep 14, 1977 | Sep 14, 1977 | — | 9,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-123254 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 518 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Queen City | 1,900 | -1,382 |
| Carrize Wilcox | 3,400 | -2,882 |
| CarrizoCARRIZO WILCOX | 3,400 | -2,882 |
| WilcoxLOWER WILCOX | 5,400 | -4,882 |
| Lobo | 7,218 | -6,700 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,424 | 7,433 | Perforated |
| 7,424 | 8,005 | Perforated |
| 7,437 | 7,446 | Perforated |
| 7,464 | 7,472 | Perforated |
| 7,634 | 7,650 | Perforated |
| 7,666 | 7,670 | Perforated |
| 7,960 | 7,982 | Perforated |
| 7,998 | 8,005 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 920 | 14.75 | 530 S |
| 7.625 | 6,000 | 9.875 | 410 S |
| 4.5 | 8,495 | 6.75 | 360 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 | May 1, 1997 | Apr 17, 1997 | — |
| 00 | Mar 12, 1987 | Jan 29, 1987 | Yes |
| 00 | Feb 19, 1987 | — | — |
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 42-479-34433 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-479-34433 → 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/47934433, documented in the API reference.