WELL · 42-317-44877 · DISTRICT 8
Grantham West 50-48 Unit #3LS
Martin County · Spraberry (Trend Area) field · Producing · Horizontal
Grantham West 50-48 Unit #3LS (API 42-317-44877) is a horizontal well in Martin County operated by Diamondback E&P LLC, completed April 1, 2024 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued January 3, 2023, permitted to 9,830 ft.
Completion filings report 19 formation tops, including Yates, Queen, Grayburg, San Andres.
Its lease has reported 2.03M barrels of oil and 6.29M mcf of gas since December 2023, last reporting in July 2026. The lease carries 12 wells, so these are lease totals, not this well alone.
Operator of record
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 | Diamondback E&P LLCJan 3, 2023 |
- 9,830
- total depth, ft
- 2
- permits on file
- Jan 3, 2023
- last permit issued
- Apr 1, 2024
- completed
- 2.03M
- cumulative oil, bbl
- 6.29M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Dec 2023 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Apr 1, 2024
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
Surface location
32.385406, -101.704656
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 12 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Grantham West 50-48 Unit O-10-61041 | Spraberry (Trend Area) | Diamondback E&P LLC | 12 | 2.03M | 6.29M | Dec 2023 – Jul 2026 |
Oil, barrels lease total
Last 12 months 323,252 · prior 12 1,481,119(-78%)
Gas, mcf lease total
Last 12 months 2,222,708 · prior 12 3,885,181(-43%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Diamondback E&P LLCApr 2024 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 886094-98 | Drill | Diamondback E&P LLC | Sep 16, 2024 | Jan 3, 2023 | Nov 23, 2023 | 9,830 |
| 886094-99 | Drill | Diamondback E&P LLC | Nov 30, 2022 | Jan 3, 2023 | Nov 23, 2023 | 9,830 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-61041 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,579 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 1,996 | 583 |
| Queen | 2,750 | -171 |
| Grayburg | 3,287 | -708 |
| San AndresSAN ANDRES - ACTIVE CO2 FLOOD; H | 3,863 | -1,284 |
| Glorieta | 4,374 | -1,795 |
| Clear ForkCLEARFORK | 5,003 | -2,424 |
| Spraberry | 6,732 | -4,153 |
| Cisco | — | — |
| Dean | — | — |
| Devonian | — | — |
| Ellenburger | — | — |
| Fusselman | — | — |
| Mississippian | — | — |
| Pennsylvanian | — | — |
| Precambrian (Undifferentiated) | — | — |
| Santa Rosa | — | — |
| Silurian (undifferentiated)SILURIAN | — | — |
| Strawn | — | — |
| Wolfcamp | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,098 | 18,248 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 11.75 | 1,963 | 14.75 | 1,245 S |
| 8.625 | 5,234 | 11 | 1,090 S |
| 5.5 | 18,292 | 7.875 | 1,905 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 | Apr 22, 2025 | Aug 7, 2024 | Yes |
| 00 | Jul 31, 2024 | Apr 25, 2024 | — |
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 42-317-44877 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-317-44877 → 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.
Grantham West 50-48 Unit42-317-44889
0.0 KM · Diamondback E&P LLC · Section with this well →
| Yates | 1,999 | 580 |
| Queen | 2,752 | -173 |
| Grayburg | 3,283 | -704 |
| San Andres | 3,861 | -1,282 |
| Glorieta | 4,381 | -1,802 |
| Clear Fork | 5,010 | -2,431 |
| Spraberry | 6,740 | -4,161 |
| Santa Rosa | — |
10 TOPS · FIRST 8
Grantham West 50-48 Unit42-317-44876
0.0 KM · Diamondback E&P LLC · Section with this well →
| Yates | 1,995 | 584 |
| Queen | 2,749 | -170 |
| San Andres | 3,862 | -1,283 |
| Glorieta | 4,379 | -1,800 |
| Clear Fork | 5,000 | -2,421 |
| Spraberry | 6,733 | -4,154 |
| Dean | 8,021 | -5,442 |
| Wolfcamp | 8,139 | -5,560 |
10 TOPS · FIRST 8
Grantham West 50-48 Unit42-317-44890
0.0 KM · Diamondback E&P LLC · Section with this well →
| Yates | 2,004 | 575 |
| Queen | 2,747 | -168 |
| Grayburg | 3,278 | -699 |
| San Andres | 3,882 | -1,303 |
| Glorieta | 4,379 | -1,800 |
| Clear Fork | 5,011 | -2,432 |
| Spraberry | 6,740 | -4,161 |
| Dean | 8,027 | -5,448 |
10 TOPS · FIRST 8
Grantham West 50-48 Unit42-317-44873
0.0 KM · Diamondback E&P LLC · Section with this well →
| Yates | 1,966 | 614 |
| Queen | 2,747 | -167 |
| Grayburg | 3,277 | -697 |
| San Andres | 3,858 | -1,278 |
| Glorieta | 4,375 | -1,795 |
| Clear Fork | 5,005 | -2,425 |
| Spraberry | 6,733 | -4,153 |
| Dean | 8,022 | -5,442 |
10 TOPS · FIRST 8
Grantham West 50-48 Unit42-317-44870
0.0 KM · Diamondback E&P LLC · Section with this well →
| Yates | 2,006 | 574 |
| Queen | 2,754 | -174 |
| Grayburg | 3,288 | -708 |
| San Andres | 3,889 | -1,309 |
| Glorieta | 4,384 | -1,804 |
| Clear Fork | 5,015 | -2,435 |
| Spraberry | 5,747 | -3,167 |
| Santa Rosa | — |
10 TOPS · FIRST 8
Grantham West 50-48 Unit42-317-44871
0.3 KM · Diamondback E&P LLC · Section with this well →
| Yates | 2,007 | 579 |
| Queen | 2,754 | -168 |
| Grayburg | 3,272 | -686 |
| San Andres | 3,848 | -1,262 |
| Clear Fork | 5,024 | -2,438 |
| Spraberry | 6,749 | -4,163 |
| Dean | 8,050 | -5,464 |
| Wolfcamp | — |
12 TOPS · FIRST 8
Grantham West 50-48 Unit42-317-44872
0.4 KM · Diamondback E&P LLC · Section with this well →
| Yates | 2,008 | 579 |
| Queen | 2,751 | -164 |
| Grayburg | 3,273 | -686 |
| San Andres | 3,857 | -1,270 |
| Clear Fork | 5,018 | -2,431 |
| Spraberry | 6,746 | -4,159 |
| Dean | 8,047 | -5,460 |
| Cisco | — |
11 TOPS · FIRST 8
Grantham West 50-48 Unit42-317-44875
0.4 KM · Diamondback E&P LLC · Section with this well →
| Yates | 2,012 | 573 |
| Queen | 2,754 | -169 |
| Grayburg | 3,273 | -688 |
| San Andres | 3,850 | -1,265 |
| Clear Fork | 5,023 | -2,438 |
| Spraberry | 6,748 | -4,163 |
| Dean | 8,045 | -5,460 |
| Wolfcamp | 8,178 | -5,593 |
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/31744877, documented in the API reference.