WELL · 42-235-36131 · DISTRICT 7
Antelope Draw #1B
Irion County · Spraberry (Trend Area) field · Shut IN · Vertical
Antelope Draw #1B (API 42-235-36131) is a well in Irion County operated by Discovery Natural Resources LLC, completed April 5, 2017 and listed as shut in on the RRC schedule, shut in February 1, 2026.
The RRC has issued one drilling permit, issued August 4, 2016, permitted to 8,680 ft.
Completion filings report 7 formation tops, including Grayburg, San Andres, Clear Fork, Spraberry.
Its lease has reported 1.05M barrels of oil and 8.69M mcf of gas since November 2009, last reporting in July 2026. The lease carries 40 wells, so these are lease totals, not this well alone.
Operator of record
Discovery Natural Resources LLC
- 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 | Discovery Natural Resources LLCAug 4, 2016 |
- 8,680
- total depth, ft
- 1
- permits on file
- Aug 4, 2016
- last permit issued
- Apr 5, 2017
- completed
- 1.05M
- cumulative oil, bbl
- 8.69M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Nov 2009 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Apr 5, 2017
- Shut in
- Feb 1, 2026
- 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; they carry 40 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Antelope Draw O-9-17011 | Spraberry (Trend Area) | Discovery Natural Resources LLC | 40 | 1.05M | 8.69M | Nov 2009 – Jul 2026 |
Gas, mcf lease total
Last 12 months 177,883 · prior 12 339,457(-48%)
Oil, barrels lease total
Last 12 months 22,476 · prior 12 37,842(-41%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Trilogy Operating, Inc.Dec 2009 → Apr 2010
- 2Fiml Natural Resources, LLCMay 2010 → Aug 2014
- 3Discovery Natural Resources LLCSep 2014 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 817301-99 | Drill | Discovery Natural Resources LLC | Jul 26, 2016 | Aug 4, 2016 | Dec 9, 2016 | 8,990 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Apr 5, 2017 | Antelope Draw O-9-17011 | Spraberry (Trend Area) | Discovery Natural Resources LLC | Shut IN · shut in Feb 1, 2026 | 8,680 |
Formation tops
As filed on W-2/G-1. Subsea from 2,393 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Grayburg | 1,572 | 821 |
| San Andres | 2,094 | 299 |
| Clear ForkCLEARFORK | 3,300 | -907 |
| Spraberry | 4,816 | -2,423 |
| Wolfcamp | 6,342 | -3,949 |
| Canyon | 7,863 | -5,470 |
| Fusselman | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,880 | 6,177 | Perforated |
| 6,356 | 7,644 | Perforated |
| 7,868 | 8,299 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 628 | 17.5 | 650 S |
| 9.625 | 4,372 | 12.25 | 670 S |
| 5.5 | 8,631 | 8.75 | 1,400 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 | May 10, 2017 | Apr 27, 2017 | — |
| 00 | Apr 18, 2017 | Apr 6, 2017 | Yes |
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 42-235-36131 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-235-36131 → 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/23536131, documented in the API reference.