TEXAS · WELLS · ANDREWS COUNTY · UL III 12 LEASE · API 42-003-41802 · DISTRICT 7B
UL III 12 #2
Andrews County · Spraberry (Trend Area) field · Producing · Vertical
UL Iii 12 #2 (API 42-003-41802) is a well in Andrews County operated by Diamondback E&P LLC, completed February 10, 2011 and listed as producing on the RRC schedule.
The RRC has issued 2 drilling permits (amended once) between 2008 and 2010, permitted to 10,900 ft.
It was permitted by Windsor Permian LLC and has since transferred to Diamondback E&P LLC on the wellbore schedule.
Completion filings report 4 formation tops, including Clear Fork, Spraberry, Dean, Wolfcamp.
Its lease has reported 59.8K barrels of oil and 65.9K mcf of gas since February 2011, last reporting volume in April 2026.
Operator of record
Permitted by Windsor Permian LLC; the EWA schedule now lists a different operator.
- Based in
- Midland, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- May 4, 2026
- Permits on file
- 5,243
- Phone
- (432) 221-7400
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Diamondback E&P LLC |
| Production reports | Diamondback E&P LLCthrough Apr 2026 |
| Latest permit | Windsor Permian LLCJun 30, 2010 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,900
- total depth, ft
- 3
- permits on file
- Jun 30, 2010
- last permit issued
- Feb 10, 2011
- completed
- 59.8K
- cumulative oil, bbl
- 65.9K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Apr 2011 THROUGH Apr 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Feb 10, 2011
- 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 |
|---|---|---|---|---|---|---|
| UL III 12 O-10-41464 | Spraberry (Trend Area) | Diamondback E&P LLC | 1 | 59.8K | 65.9K | Feb 2011 – Apr 2026 |
Oil, barrels lease total
Last 12 months 4,479 · prior 12 4,518(-1%)
Gas, mcf lease total
Last 12 months 372 · prior 12 320(+16%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Windsor Permian LLCApr 2011 → Jun 2012
- 2Diamondback E&P LLCJul 2012 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 698284-98 | Drill | Windsor Permian LLC | Mar 25, 2011 | Jun 30, 2010 | Oct 21, 2010 | 10,900 |
| 698284-99 | Drill | Windsor Permian LLC | Jun 29, 2010 | Jun 30, 2010 | Oct 21, 2010 | 11,900 |
| 674565-99 | Drill | Samson Lone Star, LLC | Nov 6, 2008 | Nov 19, 2008 | — | 14,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Feb 10, 2011 | UL III 12 O-10-41464 | Spraberry (Trend Area) | Diamondback E&P LLC | Producing | 10,900 |
Formation tops
As filed on W-2/G-1. Subsea from 2,979 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Clear ForkCLEARFORK | 6,900 | -3,921 |
| Spraberry | 8,650 | -5,671 |
| Dean | 9,650 | -6,671 |
| Wolfcamp | 9,750 | -6,771 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,810 | 10,800 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,725 | 17.5 | 1,300 S |
| 9.625 | 4,762 | 12.25 | 700 S |
| 5.5 | 10,900 | 7.875 | 1,160 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | May 16, 2012 | Aug 4, 2011 | Yes |
Well logs
1 log loaded from the RRC's log index, the latest received Nov 14, 2013. Density, Neutron. These are the logs loaded into Petrora from the Railroad Commission's inventories, not necessarily every log run on the well. The RRC holds the files; each opens from its log search for the well. The kind is the RRC's description of the log; the interval is the one filed for it.
Open the RRC's log search for this well ↗| Logas described | Files | Intervalft, as filed | Datereceived | SizeMB |
|---|---|---|---|---|
| NEUTRON/DENSITY POROSITYSpans Clear Fork, Spraberry, Dean, Wolfcamp | TIFF | 100 to 10,908 | Nov 14, 2013run Nov 6, 2010 | 3.85 |
"Spans" is by this well's own filed formation tops: a formation runs from its top to the next deeper top filed, and the deepest runs to the bottom of the log. Depths are measured along the wellbore, so on a horizontal the lateral counts in the formation it was landed in.
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 42-003-41802 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-003-41802 → scanned completion filings
The logs loaded for this well are under Well logs, with the RRC's log search for it. The University Lands library has no per-well link: then paste it into its 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/00341802, documented in the API reference.