WELL · 42-413-31174 · DISTRICT 7
Williams R. S. B #5
Schleicher County · Velrex (Cisco 6260) field · Vertical
Williams R. S. B #5 (API 42-413-31174) is a well in Schleicher County operated by Energy Reserves Group Inc., completed January 23, 1982.
The RRC has issued 2 drilling permits between 1981 and 2001, permitted to 6,800 ft.
It was permitted by Prize Operating Company and has since transferred to Energy Reserves Group Inc. on the wellbore schedule.
Completion filings report 2 formation tops, including Wolfcamp, Canyon.
Its lease has reported 12K barrels of oil and 218K mcf of gas since January 1993, last reporting in July 2026.
Operator of record
Permitted by Prize Operating Company; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Feb 15, 1986 · 272 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Energy Reserves Group Inc. |
| Production reports | Bustamante Oil Companythrough Mar 2026 |
| Latest permit | Prize Operating CompanyMar 22, 2001 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 6,800
- total depth, ft
- 2
- permits on file
- Mar 22, 2001
- last permit issued
- Jan 23, 1982
- completed
- 12K
- cumulative oil, bbl
- 218K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jan 23, 1982
- 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 |
|---|---|---|---|---|---|---|
| Williams, R. S. "B" O-9-9991 | Velrex (Cisco 6260) | Bustamante Oil Company | 1 | 12K | 218K | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 72 · prior 12 76(-5%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Graham Royalty, Ltd.Jan 1993 → Nov 1993
- 2Midpar L.P.Dec 1993 → Feb 1995
- 3Parker & Parsley Development L.PMar 1995 → Aug 1997
- 4Pioneer Natural Res. USA, Inc.Sep 1997 → Jun 1999
- 5Prize Operating CompanyJul 1999 → Mar 2002
- 6Gruy Petroleum Management Co.Apr 2002 → Apr 2006
- 7Cimarex Energy Co. of ColoradoMay 2006 → Nov 2006
- 8Quantum Resources Management,llcDec 2006 → Oct 2012
- 9Breitburn Operating L.P.Apr 2015 → Apr 2015
- 10Bustamante Oil CompanyFeb 2023 → Mar 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 506850-99 | Recompletion | Prize Operating Company | Mar 22, 2001 | Mar 22, 2001 | Mar 31, 2001 | 6,400 |
| 144342-99 | Drill | Energy Reserves Group, Inc. | Dec 16, 1981 | Dec 16, 1981 | — | 6,800 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-9991 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,396 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,421 | 6,426 | Perforated |
| 6,421 | 6,539 | Perforated |
| 6,532 | 6,539 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 619 | 11 | 250 S |
| 2.375 | 6,375 | — | — |
| 4.5 | 6,702 | 7.875 | 750 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 | Sep 18, 2001 | Aug 27, 2001 | — |
| 00 | Jan 12, 1984 | Feb 1, 1983 | — |
| 00 | Jan 12, 1984 | Apr 6, 1982 | — |
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 42-413-31174 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-413-31174 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. 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/41331174, documented in the API reference.