WELL · 42-329-35070 · DISTRICT 8
Perro Rojo 20 #4
Midland County · Spraberry (Trend Area) field · Vertical
Perro Rojo 20 #4 (API 42-329-35070) is a plugged well in Midland County, plugged March 21, 2024, last operated by Diamondback E&P LLC.
The RRC has issued 2 drilling permits between 2004 and 2017, permitted to 12,000 ft.
It was permitted by Endeavor Energy Resources L.P. and has since transferred to Diamondback E&P LLC on the wellbore schedule.
Completion filings report 3 formation tops, including Spraberry, Wolfcamp, Strawn.
Its lease has reported 368K barrels of oil and 773K mcf of gas since June 2003, last reporting in July 2026. The lease carries 8 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Endeavor Energy Resources L.P.; the EWA schedule now lists a different operator.
Midland, TX · P-5 Y, filed Mar 4, 2026 · 5,237 permits on file · (855) 247-5920
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 | Endeavor Energy Resources L.P.Nov 16, 2017 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 12,000
- total depth, ft
- 2
- permits on file
- Nov 16, 2017
- last permit issued
- May 5, 2004
- completed
- 368K
- cumulative oil, bbl
- 773K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jun 2003 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- May 5, 2004
- Shut in
- —
- Plugged
- Mar 21, 2024
Surface location
31.822799, -102.038225
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Midland County.
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 8 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Perro Rojo "20" O-10-37206 | Spraberry (Trend Area) | Diamondback E&P LLC | 8 | 368K | 773K | Jun 2003 – Jul 2026 |
Oil, barrels lease total
Last 12 months 1,689 · prior 12 2,176(-22%)
Gas, mcf lease total
Last 12 months 5,605 · prior 12 4,293(+31%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Endeavor Energy Resources L.P.Jun 2003 → Dec 2024
- 2Diamondback E&P LLCJan 2025 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 832945-99 | Recompletion | Endeavor Energy Resources L.P. | Nov 8, 2017 | Nov 16, 2017 | Apr 12, 2004 | 11,000 |
| 542334-99 | Drill | Endeavor Energy Resources L.P. | Feb 20, 2004 | Feb 25, 2004 | Mar 24, 2004 | 12,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-37206 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,724 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,320 | 10,300 | Perforated |
| 8,320 | 10,888 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 12.75 | 300 | 17.5 | 300 S |
| 8.625 | 4,980 | 11 | 425 S |
| 4.5 | 11,000 | 7.875 | 1,270 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 | Jan 11, 2018 | Dec 27, 2017 | — |
| 00 | Sep 28, 2004 | Jun 21, 2004 | Yes |
| 00 | Aug 16, 2004 | — | — |
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 42-329-35070 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-329-35070 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward). then paste it into their search.
Nearby wells and their tops
NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM
Draw a cross-section
This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.
Perro Rojo '20'42-329-34816
0.5 KM · Endeavor Energy Resources L.P. · Section with this well →
| Spraberry | 7,725 | -4,969 |
| Spraberry | 8,275 | -5,519 |
| U. Wolfcamp | 9,575 | -6,819 |
| L. Wolfcamp | 10,225 | -7,469 |
| Strawn | 10,675 | -7,919 |
| Atoka | 11,365 | -8,609 |
Perro Rojo '20'42-329-35195
0.6 KM · Endeavor Energy Resources L.P. · Section with this well →
| Spraberry | 7,725 | -5,011 |
| Spraberry | 8,275 | -5,561 |
| Wolfcamp | 9,550 | -6,836 |
| Upper Solfcamp | 9,550 | -6,836 |
| Wolfcamp | 10,225 | -7,511 |
| Strawn | 10,625 | -7,911 |
| Atoka | — |
Perro Rojo '20'42-329-35134
0.6 KM · Endeavor Energy Resources L.P. · Section with this well →
| Spraberry | 7,700 | -4,991 |
| Spraberry | 8,250 | -5,541 |
| Wolfcamp | 9,550 | -6,841 |
| Wolfcamp | 10,250 | -7,541 |
| Strawn | 10,650 | -7,941 |
Perro Rojo '20'42-329-35196
0.8 KM · Endeavor Energy Resources L.P. · Section with this well →
| Spraberry | 7,700 | -4,996 |
| Spraberry | 8,250 | -5,546 |
| Wolfcamp | 9,550 | -6,846 |
| Wolfcamp | 10,240 | -7,536 |
| Strawn | 10,630 | -7,926 |
| Atoka | — |
Perro Rojo '20'42-329-34990
0.9 KM · Endeavor Energy Resources L.P. · Section with this well →
| Spraberry | 7,675 | -4,966 |
| Spraberry | 8,235 | -5,526 |
| Wolfcamp | 9,525 | -6,816 |
| Wolfcamp | 10,250 | -7,541 |
| Strawn | 10,660 | -7,951 |
| Atoka | 11,350 | -8,641 |
Perro Rojo '20'42-329-34869
0.9 KM · Endeavor Energy Resources L.P. · Section with this well →
| Spraberry | 7,675 | -4,919 |
| Spraberry | 8,225 | -5,469 |
| U. Wolfcamp | 9,525 | -6,769 |
| L. Wolfcamp | 10,200 | -7,444 |
| Strawn | 10,640 | -7,884 |
| Atoka | 11,325 | -8,569 |
Perro Rojo '20'42-329-35334
1.3 KM · Endeavor Energy Resources L.P. · Section with this well →
| Yates | 2,610 | 97 |
| San Andres | 4,775 | -2,068 |
| Spraberry | 7,675 | -4,968 |
| Spraberry | 7,675 | -4,968 |
| Dean | 9,050 | -6,343 |
| Wolfcamp | 10,275 | -7,568 |
| Strawn | 10,640 | -7,933 |
Bradford42-329-41702
1.6 KM · Murchison Oil & Gas Inc · Section with this well →
| Santa Rosa | 802 | 1,902 |
| Yates | 2,625 | 79 |
| Seven Rivers | 2,787 | -83 |
| Queen | 4,010 | -1,306 |
| Grayburg | 4,177 | -1,473 |
| San Andres | 4,385 | -1,681 |
| Glorieta | 5,596 | -2,892 |
| Clear Fork | 6,782 | -4,078 |
10 TOPS · FIRST 8
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/32935070, documented in the API reference.