WELL · 42-495-30070 · DISTRICT 8
Tubb 1 Unit #1
Winkler County · Vertical
Tubb 1 Unit #1 (API 42-495-30070) is a permitted well in Winkler County filed by Heritage Standard Corporation; no completion report is on file yet.
The RRC has issued 3 drilling permits between 1986 and 2004, permitted to 21,966 ft.
Completion filings report 10 formation tops, including Cherry Canyon, Bell Canyon, Bone Spring, Wolfcamp.
Operator of record
Dallas, TX · P-5 Y, filed Mar 4, 2026 · 14 permits on file · (214) 912-2211
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | Impetro Operating LLCthrough Apr 2020 |
| Latest permit | Heritage Standard CorporationNov 29, 2004 |
- 21,966
- total depth, ft
- 3
- permits on file
- Nov 29, 2004
- last permit issued
- —
- completed
- 0
- cumulative oil, bbl
- 2.58M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Aug 2022
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 3 leases this well is completed on; they carry 3 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Tubb 1 Unit G-10-123948 | Crittendon (Morrow) | Ameredev Operating, LLC | 1 | 0 | 0 | Jan 1993 – Aug 2022 |
| Tubb 1 Unit G-10-206543 | Crittendon (Atoka Oolitic) | Ameredev Operating, LLC | 1 | 0 | 742K | Oct 2004 – Aug 2022 |
| Tubb 1 Unit G-10-123947 | Crittendon (Strawn) | Voyager Gas Corporation | 1 | 0 | 1.84M | Jan 1993 – Jun 2011 |
No volumes reported on these leases in the last three years.
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Chase Avenue Corporation, TheJan 1993 → Oct 2001
- 2Heritage Standard CorporationNov 2001 → Jan 2011
- 3Voyager Gas CorporationFeb 2011 → Feb 2012
- 4White Oak Operating Company LLCMar 2012 → Mar 2014
- 5Impetro Operating LLCApr 2014 → Apr 2020
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 554170-99 | Recompletion | Heritage Standard Corporation | Nov 29, 2004 | Nov 29, 2004 | — | 21,966 |
| 392219-99 | Recompletion | Chase Avenue Corporation, The | Sep 24, 1991 | Oct 2, 1991 | — | 21,966 |
| 322239-99 | Recompletion | Arco Oil & Gas Co. | Oct 23, 1986 | Oct 24, 1986 | — | 21,966 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-10-123947 | — | — | — | — |
| — | — G-10-123948 | — | — | — | — |
| — | — G-10-206543 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,931 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Cherry Canyon | 6,225 | -3,294 |
| Bell Canyon | 7,436 | -4,505 |
| Bone SpringBONE SPRINGS | 8,860 | -5,929 |
| Wolfcamp | 11,815 | -8,884 |
| Strawn | 13,930 | -10,999 |
| Atoka | 14,657 | -11,726 |
| Morrow | 15,508 | -12,577 |
| Sillurian | 18,890 | -15,959 |
| Siluiran | 18,890 | -15,959 |
| Silurian (undifferentiated)SILURIAN | 18,890 | -15,959 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 13,946 | 14,325 | Perforated |
| 14,830 | 14,890 | Perforated |
| 15,010 | 15,070 | Perforated |
| 15,220 | 15,270 | Perforated |
| 15,323 | 15,648 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 20 | 1,510 | 26 | 2,000 S |
| 13.375 | 4,700 | 17.5 | 8,000 S |
| 8.625 | 13,200 | — | 1,650 S |
| 3.5 | 13,200 | — | — |
| 10.75 | 13,427 | 12.25 | 3,500 S |
| 5.5 | 15,336 | 7.625 | 200 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 | Aug 26, 2005 | Nov 22, 2004 | Yes |
| 00 | Mar 3, 2005 | — | — |
| 00 | Jun 3, 1987 | Apr 24, 1987 | Yes |
| 00 | Jun 2, 1987 | May 1, 1987 | Yes |
| 00 | May 28, 1987 | — | — |
| 00 | May 8, 1987 | — | — |
| 00 | Jan 12, 1984 | Mar 22, 1971 | — |
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 42-495-30070 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-495-30070 → 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/49530070, documented in the API reference.