WELL · 42-003-41045 · DISTRICT 8
Tass #7
Andrews County · Block 12 (Ellenburger) field · Producing · Vertical
Tass #7 (API 42-003-41045) is a well in Andrews County operated by Wtg Exploration, completed August 18, 2009 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued June 16, 2009, permitted to 10,500 ft.
Completion filings report 4 formation tops, including Montoya, Simpson, McKee, Ellenburger.
Its lease has reported 59.4K barrels of oil and 19.3K mcf of gas since August 2009, last reporting in July 2026.
Operator of record
- Based in
- Midland, TX
- P-5 status
- Active (A)
- P-5 last filed
- Feb 26, 2026
- Permits on file
- 269
- Phone
- (432) 682-4030
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | WTG Exploration |
| Production reports | WTG Explorationthrough Apr 2026 |
| Latest permit | WTG ExplorationJun 16, 2009 |
- 10,500
- total depth, ft
- 1
- permits on file
- Jun 16, 2009
- last permit issued
- Aug 18, 2009
- completed
- 59.4K
- cumulative oil, bbl
- 19.3K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Aug 2009 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Aug 18, 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 |
|---|---|---|---|---|---|---|
| Tass O-10-39743 | Block 12 (Ellenburger) | WTG Exploration | 1 | 59.4K | 19.3K | Aug 2009 – Jul 2026 |
Oil, barrels lease total
Last 12 months 1,235 · prior 12 1,383(-11%)
Gas, mcf lease total
Last 12 months 249 · prior 12 291(-14%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1WTG ExplorationAug 2009 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 681876-99 | Drill | WTG Exploration | Jun 5, 2009 | Jun 16, 2009 | Jun 24, 2009 | 10,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-39743 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,291 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Montoya | 9,166 | -5,875 |
| Simpson | 9,406 | -6,115 |
| McKee | 9,667 | -6,376 |
| Ellenburger | 10,025 | -6,734 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,034 | 10,066 | Open hole |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 11.75 | 380 | 14.75 | 348 S |
| 8.625 | 4,338 | 11 | 550 S |
| 5.5 | 10,034 | 7.875 | 550 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 | Mar 16, 2010 | Nov 6, 2009 | Yes |
| 00 | Mar 5, 2010 | — | — |
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 42-003-41045 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-003-41045 → 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/00341045, documented in the API reference.