WELL · 42-317-44456 · DISTRICT 8
Guardian 250 H #4JM
Martin County · Spraberry (Trend Area) field · Producing · Horizontal
Guardian 250 H #4JM (API 42-317-44456) is a horizontal well in Martin County operated by Diamondback E&P LLC, completed June 8, 2023 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued July 19, 2022, permitted to 13,000 ft.
Completion filings report 11 formation tops, including Yates, Queen, Grayburg, San Andres.
Its lease has reported 455K barrels of oil and 808K mcf of gas since February 2023, last reporting in July 2026.
Operator of record
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 | Diamondback E&P LLCJul 19, 2022 |
- 13,000
- total depth, ft
- 1
- permits on file
- Jul 19, 2022
- last permit issued
- Jun 8, 2023
- completed
- 455K
- cumulative oil, bbl
- 808K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Feb 2023 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jun 8, 2023
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
Surface location
32.426464, -102.097533
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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Guardian 250 H O-10-58908 | Spraberry (Trend Area) | Diamondback E&P LLC | 1 | 455K | 808K | Feb 2023 – Jul 2026 |
Oil, barrels lease total
Last 12 months 53,362 · prior 12 123,468(-57%)
Gas, mcf lease total
Last 12 months 145,261 · prior 12 302,147(-52%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Diamondback E&P LLCJun 2023 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 881170-99 | Drill | Diamondback E&P LLC | Jun 14, 2022 | Jul 19, 2022 | Sep 11, 2022 | 13,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-58908 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,898 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 2,945 | -47 |
| Queen | 3,588 | -690 |
| Grayburg | 3,857 | -959 |
| San AndresSAN ANDRES - ACTIVE CO2 FLOOD; H | 4,441 | -1,543 |
| Clear ForkCLEARFORK | 6,410 | -3,512 |
| Spraberry | 8,266 | -5,368 |
| Cisco | — | — |
| Dean | — | — |
| Pennsylvanian | — | — |
| Santa Rosa | — | — |
| Wolfcamp | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,324 | 19,726 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 11.75 | 513 | 14.75 | 400 S |
| 8.625 | 6,140 | 11 | 1,075 S |
| 5.5 | 19,770 | 7.875 | 2,140 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 | Nov 17, 2023 | Oct 4, 2023 | Yes |
| 00 | May 17, 2023 | Apr 4, 2023 | — |
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 42-317-44456 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-317-44456 → 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.
Guardian 250 I42-317-44463
0.0 KM · Diamondback E&P LLC · Section with this well →
| Yates | 2,136 | 762 |
| Queen | 3,569 | -671 |
| Grayburg | 3,835 | -937 |
| San Andres | 4,446 | -1,548 |
| Clear Fork | 6,406 | -3,508 |
| Spraberry | 8,152 | -5,254 |
| Dean | 9,375 | -6,477 |
| Wolfcamp | 9,468 | -6,570 |
11 TOPS · FIRST 8
Guardian 250 O42-317-44462
0.0 KM · Diamondback E&P LLC · Section with this well →
| Yates | 2,143 | 755 |
| Queen | 3,525 | -627 |
| Grayburg | 3,823 | -925 |
| San Andres | 4,417 | -1,519 |
| Clear Fork | 6,412 | -3,514 |
| Spraberry | 8,171 | -5,273 |
| Cisco | — | |
| Dean | — |
11 TOPS · FIRST 8
Guardian 250 I42-317-44464
0.0 KM · Diamondback E&P LLC · Section with this well →
| Yates | 2,941 | -44 |
| Queen | 3,520 | -623 |
| Grayburg | 3,849 | -952 |
| San Andres | 4,442 | -1,545 |
| Clear Fork | 6,411 | -3,514 |
| Spraberry | 8,159 | -5,262 |
| Santa Rosa | — | |
| Wolfcamp | — |
10 TOPS · FIRST 8
Guardian 250 I42-317-44465
0.0 KM · Diamondback E&P LLC · Section with this well →
| Yates | 2,945 | -47 |
| Queen | 3,542 | -644 |
| Grayburg | 3,834 | -936 |
| San Andres | 4,409 | -1,511 |
| Spraberry | 8,142 | -5,244 |
| Santa Rosa | — | |
| Cisco | — | |
| Dean | — |
10 TOPS · FIRST 8
Guardian 250 J42-317-44468
0.0 KM · Diamondback E&P LLC · Section with this well →
| Yates | 2,983 | -85 |
| Queen | 3,538 | -640 |
| Grayburg | 3,851 | -953 |
| San Andres | 4,401 | -1,503 |
| Spraberry | 8,156 | -5,258 |
| Pennsylvanian | — | |
| Dean | — | |
| Cisco | — |
10 TOPS · FIRST 8
Guardian 250 J42-317-44467
0.0 KM · Diamondback E&P LLC · Section with this well →
| Yates | 2,977 | -79 |
| Queen | 3,578 | -680 |
| Grayburg | 3,855 | -957 |
| San Andres | 4,410 | -1,512 |
| Clear Fork | 6,413 | -3,515 |
| Spraberry | 8,133 | -5,235 |
| Dean | 9,466 | -6,568 |
| Wolfcamp | 9,605 | -6,707 |
12 TOPS · FIRST 8
Guardian 250 J42-317-44466
0.0 KM · Diamondback E&P LLC · Section with this well →
| Yates | 2,937 | -38 |
| Grayburg | 3,991 | -1,092 |
| San Andres | 4,386 | -1,487 |
| Clear Fork | 6,407 | -3,508 |
| Spraberry | 8,137 | -5,238 |
| Queen | — | |
| Wolfcamp | — | |
| Santa Rosa | — |
11 TOPS · FIRST 8
Guardian 250 K42-317-44471
0.8 KM · Diamondback E&P LLC · Section with this well →
| Yates | 2,918 | -10 |
| Queen | 3,354 | -446 |
| Grayburg | 3,971 | -1,063 |
| San Andres | 4,383 | -1,475 |
| Clear Fork | 6,417 | -3,509 |
| Spraberry | 8,132 | -5,224 |
| Dean | — | |
| Cisco | — |
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/31744456, documented in the API reference.