WELL · 42-317-45518 · DISTRICT 8
Hera 55-46 Unit 2 #251
Martin County · Spraberry (Trend Area) field · Horizontal
Hera 55-46 Unit 2 #251 (API 42-317-45518) is a plugged horizontal well in Martin County, plugged February 28, 2025, last operated by Diamondback E&P LLC.
The RRC has issued one drilling permit, issued October 3, 2023, permitted to 11,000 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 8 formation tops, including Santa Rosa, Yates, Queen, Grayburg.
Its lease has reported 686K barrels of oil and 1.17M mcf of gas since January 2024, 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 · 5,231 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.Oct 3, 2023 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 11,000
- total depth, ft
- 1
- permits on file
- Oct 3, 2023
- last permit issued
- Dec 21, 2023
- completed
- 686K
- cumulative oil, bbl
- 1.17M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 2024 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Dec 21, 2023
- Shut in
- —
- Plugged
- Feb 28, 2025
Surface location
32.397023, -101.736172
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Martin 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 |
|---|---|---|---|---|---|---|
| Hera 55-46 Unit 2 O-10-61011 | Spraberry (Trend Area) | Diamondback E&P LLC | 3 | 686K | 1.17M | Jan 2024 – Jul 2026 |
Oil, barrels lease total
Last 12 months 472,735 · prior 12 212,860(+122%)
Gas, mcf lease total
Last 12 months 962,441 · prior 12 208,053(+363%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Diamondback E&P LLCJan 2025 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 892761-99 | Drill | Endeavor Energy Resources L.P. | Aug 9, 2023 | Oct 3, 2023 | Oct 25, 2023 | 11,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-61011 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,593 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Santa Rosa | 880 | 1,713 |
| Yates | 2,051 | 542 |
| Queen | 2,859 | -266 |
| Grayburg | 3,070 | -477 |
| San Andres | 3,798 | -1,205 |
| Spraberry | 6,843 | -4,250 |
| Dean | 8,158 | -5,565 |
| Wolfcamp | 8,398 | -5,805 |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,204 | 16 | 735 S |
| 9.625 | 7,974 | 12.25 | 1,195 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 | Feb 12, 2025 | Nov 11, 2024 | 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 42-317-45518 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-317-45518 → 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.
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.
Hera 56-46 D42-317-45377
0.0 KM · Endeavor Energy Resources L.P. · Section with this well →
| Santa Rosa | 880 | 1,713 |
| Yates | 2,054 | 539 |
| Queen | 2,873 | -280 |
| Grayburg | 3,128 | -535 |
| San Andres | 3,699 | -1,106 |
| San Andres | 3,831 | -1,238 |
| Clear Fork | 5,129 | -2,536 |
| Spraberry | 6,843 | -4,250 |
11 TOPS · FIRST 8
Hera 56-46 E42-317-45517
0.0 KM · Endeavor Energy Resources L.P. · Section with this well →
| Santa Rosa | 880 | 1,713 |
| Yates | 2,163 | 430 |
| Queen | 2,957 | -364 |
| Grayburg | 3,189 | -596 |
| San Andres | 3,902 | -1,309 |
| San Andres | 3,902 | -1,309 |
| Clear Fork | 5,239 | -2,646 |
| Spraberry | 6,861 | -4,268 |
12 TOPS · FIRST 8
Hera 56-46 D42-317-45376
0.0 KM · Endeavor Energy Resources L.P. · Section with this well →
| Santa Rosa | 880 | 1,713 |
| Yates | 2,048 | 545 |
| Queen | 2,856 | -263 |
| Grayburg | 3,047 | -454 |
| San Andres | 3,699 | -1,106 |
| San Andres | 3,776 | -1,183 |
| Clear Fork | 5,118 | -2,525 |
| Spraberry | 6,842 | -4,249 |
12 TOPS · FIRST 8
Hera 56-46 D42-317-45374
0.0 KM · Endeavor Energy Resources L.P. · Section with this well →
| Santa Rosa | 880 | 1,713 |
| Yates | 2,041 | 552 |
| Queen | 2,844 | -251 |
| Grayburg | 3,346 | -753 |
| San Andres | 3,653 | -1,060 |
| San Andres | 3,653 | -1,060 |
| Clear Fork | 5,233 | -2,640 |
| Spraberry | 6,842 | -4,249 |
12 TOPS · FIRST 8
Hera 56-46 E42-317-45798
0.0 KM · Endeavor Energy Resources L.P. · Section with this well →
| Santa Rosa | 880 | 1,713 |
| Rustler | 1,441 | 1,152 |
| Yates | 2,051 | 542 |
| Queen | 2,859 | -266 |
| Grayburg | 3,070 | -477 |
| San Andres | 3,699 | -1,106 |
| San Andres | 3,699 | -1,106 |
| Glorieta | 4,440 | -1,847 |
14 TOPS · FIRST 8
Zeus 7-6 Unit 142-317-42410
0.2 KM · Endeavor Energy Resources L.P. · Section with this well →
| Santa Rosa | 1,000 | 1,593 |
| Yates | 1,343 | 1,250 |
| Queen | 2,300 | 293 |
| Grayburg | 3,336 | -743 |
| San Andres | 3,648 | -1,055 |
| Cisco | 5,208 | -2,615 |
| Spraberry | 6,858 | -4,265 |
| Dean | 8,173 | -5,580 |
10 TOPS · FIRST 8
Hera 56-46 D42-317-45375
0.2 KM · Endeavor Energy Resources L.P. · Section with this well →
| Santa Rosa | 880 | 1,713 |
| Yates | 2,045 | 548 |
| Queen | 2,864 | -271 |
| Grayburg | 3,166 | -573 |
| San Andres | 3,697 | -1,104 |
| San Andres | 3,697 | -1,104 |
| Clear Fork | 5,213 | -2,620 |
| Spraberry | 6,829 | -4,236 |
12 TOPS · FIRST 8
Zeus 7-6 Unit 142-317-42409
0.2 KM · Endeavor Energy Resources L.P. · Section with this well →
| Santa Rosa | 1,000 | 1,593 |
| Yates | 1,343 | 1,250 |
| Queen | 2,300 | 293 |
| Grayburg | 3,336 | -743 |
| San Andres | 3,648 | -1,055 |
| Cisco | 5,208 | -2,615 |
| Spraberry | 6,858 | -4,265 |
| Dean | 8,173 | -5,580 |
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/31745518, documented in the API reference.