TEXAS · WELLS · REAGAN COUNTY · API 42-383-36331 · DISTRICT 6E
Mustang Draw #1
Reagan County · Spraberry (Trend Area) field · Producing · Vertical
Mustang Draw #1 (API 42-383-36331) is a well in Reagan County operated by Discovery Natural Resources LLC, completed April 20, 2009 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued August 13, 2008, permitted to 9,150 ft.
It was permitted by Trilogy Operating, Inc. and has since transferred to Discovery Natural Resources LLC on the wellbore schedule.
Completion filings report 3 formation tops, including Spraberry, Dean, Wolfcamp.
Its 2 leases have reported 3.5M barrels of oil and 31.4M mcf of gas since February 2008, last reporting in July 2026. The leases carry 85 wells, so these are lease totals, not this well alone.
Operator of record
Discovery Natural Resources LLC
Permitted by Trilogy Operating, Inc.; the EWA schedule now lists a different operator.
- Based in
- Denver, CO
- P-5 status
- Active (A)
- P-5 last filed
- Jan 12, 2026
- Permits on file
- 451
- Phone
- (303) 893-5073
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Discovery Natural Resources LLC |
| Production reports | Discovery Natural Resources LLCthrough Apr 2026 |
| Latest permit | Trilogy Operating, Inc.Aug 13, 2008 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,150
- total depth, ft
- 1
- permits on file
- Aug 13, 2008
- last permit issued
- Apr 20, 2009
- completed
- 3.5M
- cumulative oil, bbl
- 31.4M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Feb 2008 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Apr 20, 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 2 leases this well is completed on; they carry 85 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Mustang Draw O-9-16520 | Spraberry (Trend Area) | Discovery Natural Resources LLC | 84 | 3.47M | 31.3M | Feb 2008 – Jul 2026 |
| Snow Draw O-9-16858 | Spraberry (Trend Area) | Discovery Natural Resources LLC | 1 | 38K | 132K | Oct 2008 – Jun 2015 |
Gas, mcf lease total
Last 12 months 1,784,199 · prior 12 1,998,098(-11%)
Oil, barrels lease total
Last 12 months 88,214 · prior 12 105,480(-16%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Trilogy Operating, Inc.Mar 2008 → Apr 2010
- 2Fiml Natural Resources, LLCMay 2010 → Aug 2014
- 3Discovery Natural Resources LLCSep 2014 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 667759-99 | Drill | Trilogy Operating, Inc. | Jul 29, 2008 | Aug 13, 2008 | Sep 17, 2008 | 10,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Apr 20, 2009 | Mustang Draw O-9-16520 | Spraberry (Trend Area) | Discovery Natural Resources LLC | Producing | 9,150 |
| Apr 20, 2009 | Snow Draw O-9-16858 | Spraberry (Trend Area) | Discovery Natural Resources LLC | Not on Schedule | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,424 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,444 | 6,035 | Perforated |
| 6,262 | 6,583 | Perforated |
| 6,806 | 7,537 | Perforated |
| 7,678 | 8,001 | Perforated |
| 8,680 | 8,950 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 600 | 17.5 | 535 S |
| 8.625 | 4,190 | 11 | 815 S |
| 5.5 | 9,150 | 7.875 | 795 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 | Apr 2, 2015 | May 8, 2009 | — |
| 00 | Jul 10, 2009 | May 8, 2009 | — |
| 00 | Apr 23, 2009 | Mar 2, 2009 | Yes |
| 00 | Mar 25, 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 42-383-36331 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-383-36331 → 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/38336331, documented in the API reference.