WELL · 42-329-35089 · DISTRICT 8
Perro Rojo 12A #1
Midland County · Spraberry (Trend Area) field · Vertical
Perro Rojo 12a #1 (API 42-329-35089) is a permitted well in Midland County filed by Endeavor Energy Resources L.P.; no completion report is on file yet.
The RRC has issued 2 drilling permits between 2004 and 2018, 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 4 formation tops, including Spraberry, Wolfcamp, Strawn, Atoka.
Its lease has reported 112K barrels of oil and 277K mcf of gas since June 2004, last reporting in July 2026. The lease carries 3 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.Mar 12, 2018 |
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
- Mar 12, 2018
- last permit issued
- —
- completed
- 112K
- cumulative oil, bbl
- 277K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jun 2004 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- Shut in
- —
- Plugged
- —
Surface location
31.742029, -101.976873
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 3 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Perro Rojo "12A" O-10-37357 | Spraberry (Trend Area) | Diamondback E&P LLC | 3 | 112K | 277K | Jun 2004 – Jul 2026 |
Oil, barrels lease total
Last 12 months 1,544 · prior 12 1,749(-12%)
Gas, mcf lease total
Last 12 months 0 · prior 12 41(-100%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Endeavor Energy Resources L.P.Jun 2004 → Dec 2024
- 2Diamondback E&P LLCJan 2025 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 837406-99 | Recompletion | Endeavor Energy Resources L.P. | Mar 12, 2018 | Mar 12, 2018 | Apr 14, 2004 | 11,077 |
| 543729-99 | Drill | Endeavor Energy Resources L.P. | Mar 26, 2004 | Mar 29, 2004 | Apr 14, 2004 | 12,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-37357 | — | — | — | — |
| — | — O-10-37357 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,718 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,129 | 10,583 | Perforated |
| 8,129 | 10,978 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 12.75 | 295 | 17.5 | 300 S |
| 8.625 | 5,010 | 11 | 425 S |
| 4.5 | 11,077 | 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 | May 23, 2018 | May 21, 2018 | — |
| 00 | Mar 17, 2005 | Aug 17, 2004 | Yes |
| 00 | Oct 12, 2004 | — | — |
| 00 | Oct 4, 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 42-329-35089 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-329-35089 → 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 12A42-329-35141
0.4 KM · Endeavor Energy Resources L.P. · Section with this well →
| Spraberry | 7,575 | -4,857 |
| Spraberry | 8,150 | -5,432 |
| U. Wolfcamp | 9,500 | -6,782 |
| L. Wolfcamp | 10,275 | -7,557 |
| Strawn | 10,750 | -8,032 |
| Atoka | — |
Perro Rojo '12'42-329-34995
0.5 KM · Endeavor Energy Resources L.P. · Section with this well →
| Spraberry | 7,525 | -4,849 |
| Spraberry | 8,085 | -5,409 |
| U. Wolfcamp | 9,525 | -6,849 |
| L. Wolfcamp | 10,250 | -7,574 |
| Strawn | 10,725 | -8,049 |
| Atoka | — |
TXL 11 Unit 4 141842-329-43514
0.7 KM · XTO Energy Inc. · Section with this well →
| Santa Rosa | 794 | 1,891 |
| Yates | 2,592 | 93 |
| Seven Rivers | 2,925 | -240 |
| Queen | 3,572 | -887 |
| Grayburg | 4,213 | -1,528 |
| San Andres | 4,367 | -1,682 |
| Glorieta | 4,972 | -2,287 |
| Clear Fork | 6,596 | -3,911 |
10 TOPS · FIRST 8
TXL 11 Unit 4 141842-329-43510
0.7 KM · XTO Energy Inc. · Section with this well →
| Santa Rosa | 796 | 1,888 |
| Yates | 2,595 | 89 |
| Seven Rivers | 2,924 | -240 |
| Queen | 3,571 | -887 |
| Grayburg | 4,215 | -1,531 |
| San Andres | 4,369 | -1,685 |
| Glorieta | 4,975 | -2,291 |
| Clear Fork | 6,599 | -3,915 |
10 TOPS · FIRST 8
Perro Rojo '12'42-329-34894
1.0 KM · Endeavor Energy Resources L.P. · Section with this well →
| Spraberry | 7,400 | -4,724 |
| Spraberry | 8,100 | -5,424 |
| U. Wolfcamp | 9,500 | -6,824 |
| L. Wolfcamp | 10,225 | -7,549 |
| Strawn | 10,725 | -8,049 |
| Atoka | — |
TXL 11 Unit 242-329-46019
1.0 KM · XTO Energy Inc. · Section with this well →
| Santa Rosa | 724 | 1,970 |
| Rustler | 1,629 | 1,065 |
| Yates | 2,623 | 71 |
| Seven Rivers | 2,905 | -211 |
| Queen | 3,359 | -665 |
| Grayburg | 4,184 | -1,490 |
| San Andres | 4,398 | -1,704 |
| Glorieta | 4,805 | -2,111 |
10 TOPS · FIRST 8
TXL 11 Unit 242-329-46018
1.0 KM · XTO Energy Inc. · Section with this well →
| Santa Rosa | 766 | 1,928 |
| Rustler | 1,646 | 1,048 |
| Yates | 2,603 | 91 |
| Seven Rivers | 2,899 | -205 |
| Queen | 3,353 | -659 |
| Grayburg | 4,225 | -1,531 |
| San Andres | 4,384 | -1,690 |
| Glorieta | 4,819 | -2,125 |
10 TOPS · FIRST 8
TXL 11 Unit 242-329-46017
1.0 KM · XTO Energy Inc. · Section with this well →
| Santa Rosa | 759 | 1,936 |
| Rustler | 1,636 | 1,059 |
| Yates | 2,603 | 92 |
| Seven Rivers | 2,899 | -204 |
| Queen | 3,353 | -658 |
| Grayburg | 4,218 | -1,523 |
| San Andres | 4,370 | -1,675 |
| Glorieta | 4,819 | -2,124 |
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/32935089, documented in the API reference.