WELL · 42-317-41911 · DISTRICT 8
McAlpine-Grisham 47-35 Unit 2A #281
Martin County · Spraberry (Trend Area) R 40 Exc field · Horizontal
Mcalpine-Grisham 47-35 Unit 2a #281 (API 42-317-41911) is a horizontal well in Martin County operated by Endeavor Energy Resources L.P., completed June 14, 2019.
The RRC has issued one drilling permit (amended twice), issued November 15, 2018, permitted to 12,000 ft.
Completion filings report 10 formation tops, including Santa Rosa, Yates, Queen, Grayburg.
Its 2 leases have reported 1.81M barrels of oil and 3.85M mcf of gas since June 2019, last reporting in July 2026. The leases carry 5 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.Nov 15, 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
- 3
- permits on file
- Nov 15, 2018
- last permit issued
- Jun 14, 2019
- completed
- 1.81M
- cumulative oil, bbl
- 3.85M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jun 2019 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jun 14, 2019
- Shut in
- —
- Plugged
- —
Surface location
32.168810, -101.812502
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 2 leases this well is completed on; they carry 5 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| McAlpine-Grisham 47-35 Unit 2A O-10-53948 | Spraberry (Trend Area) | Diamondback E&P LLC | 4 | 1.81M | 3.85M | Jun 2019 – Jul 2026 |
| McAlpine-Grisham 47-35 Unit 2A O-10-53779 | Spraberry (Trend Area) R 40 Exc | Endeavor Energy Resources L.P. | 1 | 0 | 0 | Jun 2019 – Aug 2020 |
Oil, barrels lease total
Last 12 months 142,032 · prior 12 215,081(-34%)
Gas, mcf lease total
Last 12 months 677,998 · prior 12 806,261(-16%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Endeavor Energy Resources L.P.Jun 2019 → Dec 2024
- 2Diamondback E&P LLCJan 2025 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 846490-97 | Drill | Endeavor Energy Resources L.P. | Mar 11, 2020 | Nov 15, 2018 | Dec 5, 2018 | 8,426 |
| 846490-98 | Drill | Endeavor Energy Resources L.P. | Sep 19, 2019 | Nov 15, 2018 | Dec 5, 2018 | 8,426 |
| 846490-99 | Drill | Endeavor Energy Resources L.P. | Nov 5, 2018 | Nov 15, 2018 | Dec 5, 2018 | 12,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-53779 | — | — | — | — |
| — | — O-10-53948 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,731 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Santa Rosa | 1,000 | 1,731 |
| Yates | 1,539 | 1,192 |
| Queen | 2,200 | 531 |
| Grayburg | 3,754 | -1,023 |
| San AndresSAN ANDRES - ACTIVE CO2 FLOOD; H | 3,944 | -1,213 |
| Cisco | 4,753 | -2,022 |
| Spraberry | 5,259 | -2,528 |
| Dean | — | — |
| Pennsylvanian | — | — |
| Wolfcamp | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,633 | 20,886 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,477 | 17.5 | 1,075 S |
| 9.625 | 6,189 | 12.25 | 1,177 S |
| 5.5 | 21,007 | 8.5 | 3,379 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 | Jul 16, 2020 | Jul 7, 2020 | Yes |
| 00 | Jun 22, 2020 | Apr 20, 2020 | — |
| 00 | Jun 19, 2020 | — | — |
| 00 | Jun 18, 2020 | Oct 2, 2019 | 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 42-317-41911 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-317-41911 → 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.
McAlpine-Grisham 47-35 H42-317-41912
0.0 KM · Endeavor Energy Resources L.P. · Section with this well →
| Santa Rosa | 1,000 | 1,727 |
| Yates | 1,539 | 1,188 |
| Queen | 2,200 | 527 |
| Grayburg | 3,754 | -1,027 |
| San Andres | 3,944 | -1,217 |
| Cisco | 4,753 | -2,026 |
| Spraberry | 5,257 | -2,530 |
| Dean | 5,666 | -2,939 |
10 TOPS · FIRST 8
McAlpine-Grisham 47-35 G42-317-41910
0.0 KM · Endeavor Energy Resources L.P. · Section with this well →
| Santa Rosa | 1,000 | 1,727 |
| Yates | 1,542 | 1,185 |
| Queen | 2,200 | 527 |
| Grayburg | 3,754 | -1,027 |
| San Andres | 3,944 | -1,217 |
| Cisco | 4,753 | -2,026 |
| Spraberry | 5,260 | -2,533 |
| Dean | 5,664 | -2,937 |
10 TOPS · FIRST 8
McAlpine-Grisham 47-35 H42-317-41913
0.0 KM · Endeavor Energy Resources L.P. · Section with this well →
| Santa Rosa | 1,000 | 1,727 |
| Yates | 1,542 | 1,185 |
| Queen | 2,200 | 527 |
| Grayburg | 3,757 | -1,030 |
| San Andres | 3,947 | -1,220 |
| Cisco | 4,756 | -2,029 |
| Spraberry | 5,253 | -2,526 |
| Dean | 5,669 | -2,942 |
10 TOPS · FIRST 8
Meek 47A42-317-33372
0.1 KM · Endeavor Energy Resources L.P. · Section with this well →
| Spraberry | 7,030 | -4,302 |
| Dean | 8,285 | -5,557 |
| Strawn | 10,176 | -7,448 |
| Atoka | 10,534 | -7,806 |
| Strawn | 10,580 | -7,852 |
| Mississipian Lime | 10,752 | -8,024 |
| Woodford | 10,924 | -8,196 |
| Siluro-Devonian | 11,014 | -8,286 |
10 TOPS · FIRST 8
Freddy the Falcon 2-11 A42-317-45725
0.2 KM · Birch Operations, Inc. · Section with this well →
| Santa Rosa | 944 | 1,781 |
| Yates | 2,340 | 385 |
| Queen | 3,095 | -370 |
| Grayburg | 3,652 | -927 |
| San Andres | 4,009 | -1,284 |
| Clear Fork | 6,047 | -3,322 |
| Spraberry | 7,105 | -4,380 |
| Dean | 8,407 | -5,682 |
10 TOPS · FIRST 8
Freddy the Falcon 2-11 A42-317-44027
0.2 KM · Birch Operations, Inc. · Section with this well →
| Santa Rosa | 1,003 | 1,721 |
| Yates | 2,349 | 375 |
| Queen | 3,098 | -374 |
| Grayburg | 3,662 | -938 |
| San Andres | 4,018 | -1,294 |
| Clear Fork | 6,059 | -3,335 |
| Spraberry | 7,112 | -4,388 |
| Dean | 8,425 | -5,701 |
10 TOPS · FIRST 8
Freddy the Falcon 2-11 A42-317-44028
0.2 KM · Birch Operations, Inc. · Section with this well →
| Santa Rosa | 997 | 1,727 |
| Yates | 2,345 | 379 |
| Queen | 3,102 | -378 |
| Grayburg | 3,635 | -911 |
| San Andres | 4,001 | -1,277 |
| Spraberry | 7,112 | -4,388 |
| Cisco | — | |
| Wolfcamp | — |
10 TOPS · FIRST 8
Freddy the Falcon 2-11 B42-317-44029
0.2 KM · Birch Operations, Inc. · Section with this well →
| Santa Rosa | 1,000 | 1,724 |
| Yates | 2,341 | 383 |
| Queen | 3,101 | -377 |
| Grayburg | 3,660 | -936 |
| Fusselman | — | |
| Mississippian | — | |
| Precambrian (Undifferentiated) | — | |
| Silurian (undifferentiated) | — |
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/31741911, documented in the API reference.