WELL · 42-237-39257 · DISTRICT 9
Zuber Unit #2
Jack County · Newark East (Barnett Shale) field · Producing · Vertical
Zuber Unit #2 (API 42-237-39257) is a well in Jack County operated by Upham Oil & Gas Company, completed May 14, 2009 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued October 22, 2008, permitted to 6,500 ft.
Completion filings report 3 formation tops, including Bend, Marble Falls, Barnett.
Its lease has reported 21K barrels of oil and 22.3K mcf of gas since May 2009, last reporting in July 2026.
Operator of record
- Based in
- Mineral Wells, TX
- P-5 status
- Active (A)
- P-5 last filed
- Dec 19, 2025
- Permits on file
- 141
- Phone
- (940) 325-4491
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Upham Oil & Gas Company |
| Production reports | Upham Oil & Gas Companythrough Apr 2026 |
| Latest permit | Upham Oil & Gas CompanyOct 22, 2008 |
- 6,500
- total depth, ft
- 1
- permits on file
- Oct 22, 2008
- last permit issued
- May 14, 2009
- completed
- 21K
- cumulative oil, bbl
- 22.3K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · May 2009 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- May 14, 2009
- 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 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 |
|---|---|---|---|---|---|---|
| Zuber Unit O-13-31300 | Newark, East (Barnett Shale) | Upham Oil & Gas Company | 1 | 21K | 22.3K | May 2009 – Jul 2026 |
Oil, barrels lease total
Last 12 months 369 · prior 12 400(-8%)
Gas, mcf lease total
Last 12 months 1,951 · prior 12 1,195(+63%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Upham Oil & Gas CompanyJun 2009 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 673344-99 | Drill | Upham Oil & Gas Company | Oct 17, 2008 | Oct 22, 2008 | Nov 9, 2008 | 6,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-13-31300 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 1,035 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| BendBEND SERIES | 5,290 | -4,255 |
| Marble Falls | 5,680 | -4,645 |
| BarnettBARNETT SHALE | 6,040 | -5,005 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,277 | 6,281 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 356 | 12.25 | 210 S |
| 4.5 | 6,582 | 7.875 | 515 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 | Jul 15, 2009 | May 26, 2009 | Yes |
| 00 | Jun 19, 2009 | — | — |
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 42-237-39257 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-237-39257 → 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/23739257, documented in the API reference.