TEXAS · WELLS · ROBERTS COUNTY · API 42-393-31579 · DISTRICT 08
Vollmert B #5
Roberts County · Mendota NW. (Granite Wash) field · Producing · Vertical
Vollmert B #5 (API 42-393-31579) is a well in Roberts County operated by Unit Petroleum Company, completed November 18, 2003 and listed as producing on the RRC schedule.
The RRC has issued 2 drilling permits between 2003 and 2005, permitted to 11,155 ft.
Completion filings report 7 formation tops, including Wolfcamp, Wolfcmap, Douglas, Kansas City.
No lease production has been reported under this well’s leases.
Operator of record
- Based in
- Tulsa, OK
- P-5 status
- Active (A)
- P-5 last filed
- Jan 13, 2025
- Permits on file
- 1,100
- Phone
- (918) 493-7700
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Unit Petroleum Company |
| Production reports | Unit Petroleum Companythrough Apr 2026 |
| Latest permit | Unit Petroleum CompanyMar 18, 2005 |
- 11,155
- total depth, ft
- 2
- permits on file
- Mar 18, 2005
- last permit issued
- Nov 18, 2003
- completed
- 0
- cumulative oil, bbl
- 1.06M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Sep 2003 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Nov 18, 2003
- 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 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 |
|---|---|---|---|---|---|---|
| Vollmert "B" G-14-199453 | Mendota, NW. (Morrow, Upper) | Unit Petroleum Company | 1 | 0 | 0 | Sep 2003 – Jul 2026 |
| Vollmert 'B' G-14-208510 | Mendota, NW. (Granite Wash, SW.) | Unit Petroleum Company | 1 | 0 | 1.06M | Nov 2004 – Jul 2026 |
Gas, mcf lease total
Last 12 months 1,365 · prior 12 1,500(-9%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Unit Petroleum CompanyNov 2004 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 559214-99 | Recompletion | Unit Petroleum Company | Mar 18, 2005 | Mar 18, 2005 | — | 11,200 |
| 534718-99 | Drill | Unit Petroleum Company | Jul 29, 2003 | Jul 28, 2003 | Aug 7, 2003 | 11,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Nov 18, 2003 | Vollmert B G-14-208510 | Mendota NW. (Granite Wash) | Unit Petroleum Company | Producing | 11,155 |
| Sep 16, 2003 | Vollmert B G-14-199453 | Mendota NW. (Morrow Upper) | Unit Petroleum Company | Partial Plug · shut in Sep 1, 2003 | 11,155 |
Formation tops
As filed on W-2/G-1. Subsea from 2,685 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Wolfcamp | 3,992 | -1,307 |
| Wolfcmap | 3,992 | -1,307 |
| Douglas | 6,925 | -4,240 |
| Kansas City | 8,025 | -5,340 |
| Kansas City | 8,053 | -5,368 |
| Granite Wash | 9,416 | -6,731 |
| Atoka | 10,665 | -7,980 |
| MorrowMORROW UPPER | 11,026 | -8,341 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,870 | 9,903 | Perforated |
| 9,977 | 10,106 | Perforated |
| 10,099 | 10,542 | Perforated |
| 10,527 | 10,551 | Perforated |
| 10,553 | 10,555 | Perforated |
| 11,026 | 11,046 | Perforated |
| 11,055 | 11,070 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 3,227 | 12.25 | 1,305 S |
| 5.5 | 10,850 | 7.875 | 400 S |
| 5.5 | 10,850 | — | — |
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 13, 2005 | Jan 31, 2005 | Yes |
| 00 | Aug 26, 2005 | Feb 7, 2005 | Yes |
| 00 | Jun 7, 2005 | — | — |
| 00 | Jun 22, 2004 | Jan 29, 2004 | Yes |
| 00 | Mar 3, 2004 | — | — |
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 42-393-31579 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-393-31579 → 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/39331579, documented in the API reference.