WELL · 42-329-43878 · DISTRICT 8
Bankhead 4-33 Unit 2A #271
Midland County · Spraberry (Trend Area) R 40 Exc field · Horizontal
Bankhead 4-33 Unit 2a #271 (API 42-329-43878) is a horizontal well in Midland County operated by Endeavor Energy Resources L.P., completed October 3, 2021.
The RRC has issued 2 drilling permits between 2019 and 2022, permitted to 10,400 ft.
Completion filings report 12 formation tops, including Santa Rosa, Rustler, Yates, Seven Rivers.
Its 2 leases have reported 3.83M barrels of oil and 9.08M mcf of gas since June 2018, last reporting in July 2026. The leases carry 15 wells, so these are lease totals, not this well alone.
Operator of record
Endeavor Energy Resources L.P.
Midland, TX · P-5 Y, filed Apr 4, 2026 · 6,190 permits on file · (855) 247-5920
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Endeavor Energy Resources L.P. |
| Production reports | Diamondback E&P LLCthrough Apr 2026 |
| Latest permit | Endeavor Energy Resources L.P.May 13, 2022 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,400
- total depth, ft
- 2
- permits on file
- May 13, 2022
- last permit issued
- Oct 3, 2021
- completed
- 3.83M
- cumulative oil, bbl
- 9.08M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jun 2018 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Oct 3, 2021
- Shut in
- —
- Plugged
- —
Surface location
31.967271, -102.103529
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 2 leases this well is completed on; they carry 15 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Bankhead 4-33 Unit 2A O-10-50525 | Spraberry (Trend Area) | Diamondback E&P LLC | 10 | 3.17M | 8.41M | Jun 2018 – Jul 2026 |
| Bankhead 4-33 Unit 2A O-10-56053 | Spraberry (Trend Area) R 40 Exc | Endeavor Energy Resources L.P. | 5 | 660K | 673K | May 2021 – Sep 2022 |
Oil, barrels lease total
Last 12 months 235,787 · prior 12 376,809(-37%)
Gas, mcf lease total
Last 12 months 1,708,645 · prior 12 2,008,540(-15%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Endeavor Energy Resources L.P.Jun 2018 → Dec 2024
- 2Diamondback E&P LLCJan 2025 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 879367-99 | Field transfer | Endeavor Energy Resources L.P. | Apr 22, 2022 | May 13, 2022 | — | 10,400 |
| 859173-99 | Drill | Endeavor Energy Resources L.P. | Nov 15, 2019 | Dec 17, 2019 | Apr 22, 2021 | 10,400 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-50525 | — | — | — | — |
| — | — O-10-56053 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,803 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Santa Rosa | 1,000 | 1,803 |
| Rustler | 1,778 | 1,025 |
| Yates | 2,847 | -44 |
| Seven Rivers | 3,178 | -375 |
| Queen | 3,803 | -1,000 |
| Grayburg | 4,188 | -1,385 |
| San AndresSAN ANDRES - HIGH FLOWS, H2S, CO | 4,983 | -2,180 |
| Glorieta | 6,058 | -3,255 |
| Clear ForkCLEARFORK | 7,016 | -4,213 |
| Spraberry | 7,887 | -5,084 |
| Jo Mill | 8,715 | -5,912 |
| WolfcampWOLFCAMP B | 9,689 | -6,886 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,140 | 19,944 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,741 | 17.5 | 1,430 S |
| 10.75 | 7,297 | 12.25 | 819 S |
| 5.5 | 20,060 | 7.875 | 1,326 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 | Aug 23, 2022 | May 19, 2022 | Yes |
| 00 | May 31, 2022 | Dec 1, 2021 | Yes |
| 00 | Jan 6, 2022 | Dec 1, 2021 | Yes |
| 00 | Sep 9, 2021 | Aug 31, 2021 | 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 42-329-43878 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-329-43878 → 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.
Bankhead 4-33 Unit 2A42-329-43876
0.0 KM · Endeavor Energy Resources L.P. · Section with this well →
| Santa Rosa | 1,000 | 1,803 |
| Rustler | 1,778 | 1,025 |
| Yates | 2,851 | -48 |
| Seven Rivers | 3,178 | -375 |
| Queen | 3,807 | -1,004 |
| Grayburg | 4,199 | -1,396 |
| San Andres | 4,996 | -2,193 |
| Glorieta | 6,065 | -3,262 |
17 TOPS · FIRST 8
Bankhead 4-33 Unit 2A42-329-43879
0.0 KM · Endeavor Energy Resources L.P. · Section with this well →
| Santa Rosa | 1,000 | 1,803 |
| Rustler | 1,778 | 1,025 |
| Yates | 2,829 | -26 |
| Seven Rivers | 3,178 | -375 |
| Queen | 3,811 | -1,008 |
| Grayburg | 4,189 | -1,386 |
| San Andres | 4,991 | -2,188 |
| Glorieta | 6,055 | -3,252 |
10 TOPS · FIRST 8
Bankhead 4-33 Unit 2A42-329-43873
0.0 KM · Endeavor Energy Resources L.P. · Section with this well →
| Santa Rosa | 1,000 | 1,801 |
| Rustler | 1,778 | 1,023 |
| Yates | 2,870 | -69 |
| Seven Rivers | 3,178 | -377 |
| Queen | 3,830 | -1,029 |
| Grayburg | 4,219 | -1,418 |
| San Andres | 5,025 | -2,224 |
| Glorieta | 6,088 | -3,287 |
10 TOPS · FIRST 8
Bankhead 4-33 Unit 2A42-329-43880
0.0 KM · Endeavor Energy Resources L.P. · Section with this well →
| Santa Rosa | 1,000 | 1,803 |
| Rustler | 1,778 | 1,025 |
| Yates | 2,861 | -58 |
| Seven Rivers | 3,178 | -375 |
| Queen | 3,823 | -1,020 |
| Grayburg | 4,205 | -1,402 |
| San Andres | 5,000 | -2,197 |
| Glorieta | 6,070 | -3,267 |
12 TOPS · FIRST 8
Bankhead 4-33 Unit 2A42-329-44751
0.0 KM · Endeavor Energy Resources L.P. · Section with this well →
| Santa Rosa | 1,000 | 1,831 |
| Rustler | 1,778 | 1,053 |
| Yates | 2,862 | -31 |
| Seven Rivers | 3,178 | -347 |
| Queen | 3,828 | -997 |
| Grayburg | 4,208 | -1,377 |
| San Andres | 4,954 | -2,123 |
| Glorieta | 6,068 | -3,237 |
10 TOPS · FIRST 8
Bankhead 4-33 Unit 2A42-329-44752
0.0 KM · Endeavor Energy Resources L.P. · Section with this well →
| Santa Rosa | 1,000 | 1,801 |
| Rustler | 1,778 | 1,023 |
| Yates | 2,848 | -47 |
| Seven Rivers | 3,178 | -377 |
| Queen | 3,795 | -994 |
| Grayburg | 4,171 | -1,370 |
| San Andres | 4,948 | -2,147 |
| Glorieta | 6,063 | -3,262 |
10 TOPS · FIRST 8
Bankhead 4-33 Unit 2A42-329-44753
0.0 KM · Endeavor Energy Resources L.P. · Section with this well →
| Santa Rosa | 1,000 | 1,801 |
| Rustler | 1,778 | 1,023 |
| Yates | 2,861 | -60 |
| Seven Rivers | 3,178 | -377 |
| Queen | 3,817 | -1,016 |
| Grayburg | 4,184 | -1,383 |
| San Andres | 4,964 | -2,163 |
| Glorieta | 6,078 | -3,277 |
10 TOPS · FIRST 8
Bankhead 4-33 Unit 242-329-42316
0.8 KM · Endeavor Energy Resources L.P. · Section with this well →
| Santa Rosa | 1,000 | 1,808 |
| Yates | 2,822 | -14 |
| Seven Rivers | 3,178 | -370 |
| Queen | 3,983 | -1,175 |
| Grayburg | 4,556 | -1,748 |
| San Andres | 5,229 | -2,421 |
| Glorieta | 5,925 | -3,117 |
| Clear Fork | 7,062 | -4,254 |
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/32943878, documented in the API reference.