WELL · 42-479-37258 · DISTRICT 4
Bruni Mineral Trust #B 31
Webb County · Liz (9200) field · Vertical
Bruni Mineral Trust #B 31 (API 42-479-37258) is a well in Webb County operated by Chevron U. S. A. Inc., completed December 28, 1999.
The RRC has issued 2 drilling permits between 1999 and 2001, permitted to 10,100 ft.
Completion filings report 4 formation tops, including Wilcox, Big Blue, Lobo Uncomformity, Lobo Unconformity.
Its 2 leases have reported 60.3K barrels of oil and 667K mcf of gas since August 1999, last reporting in July 2026. The leases carry 2 wells, so these are lease totals, not this well alone.
Operator of record
- Based in
- Midland, TX
- P-5 status
- Active (A)
- P-5 last filed
- Jan 30, 2026
- Permits on file
- 9,293
- Phone
- (866) 212-1212
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Chevron U. S. A. Inc. |
| Production reports | Hilcorp Energy Companythrough Dec 2024 |
| Latest permit | Chevron U. S. A. Inc.Jul 20, 2001 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,100
- total depth, ft
- 2
- permits on file
- Jul 20, 2001
- last permit issued
- Dec 28, 1999
- completed
- 60.3K
- cumulative oil, bbl
- 667K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Aug 1999 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Dec 28, 1999
- 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 2 leases this well is completed on; they carry 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Bruni Mineral Trust O-4-13177 | Brazil Pasture(wilcox Second) | Hilcorp Energy Company | 1 | 60.3K | 550K | Oct 2001 – Jul 2026 |
| Bruni Mineral Trust G-4-174420 | Liz (9200) | Chevron U. S. A. Inc. | 1 | 0 | 116K | Aug 1999 – Oct 2001 |
Oil, barrels lease total
Last 12 months 0 · prior 12 14(-100%)
Gas, mcf lease total
Last 12 months 0 · prior 12 26(-100%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Chevron U. S. A. Inc.Sep 1999 → Aug 2014
- 2Hilcorp Energy CompanySep 2014 → Aug 2024
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 511593-99 | Recompletion | Chevron U. S. A. Inc. | Jul 19, 2001 | Jul 20, 2001 | Aug 6, 2001 | 4,600 |
| 484060-99 | Drill | Chevron U. S. A. Inc. | Apr 23, 1999 | May 4, 1999 | Aug 3, 1999 | 10,100 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-174420 | — | — | — | — |
| — | — O-4-13177 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 415 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Wilcox | 4,320 | -3,905 |
| Big Blue | 6,798 | -6,383 |
| Lobo Uncomformity | 8,420 | -8,005 |
| Lobo Unconformity | 8,420 | -8,005 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,415 | 4,440 | Perforated |
| 8,832 | 8,842 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,007 | 12.25 | 400 S |
| 7 | 7,224 | 8.75 | 250 S |
| 2.875 | 9,135 | 6.125 | 410 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, 2004 | Sep 18, 2003 | Yes |
| 00 | Oct 27, 2003 | — | — |
| 00 | Mar 17, 2000 | Feb 2, 2000 | — |
| 00 | Oct 27, 1999 | Oct 6, 1999 | Yes |
| 00 | Oct 12, 1999 | — | — |
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 42-479-37258 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-479-37258 → 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/47937258, documented in the API reference.