WELL · 42-317-43440 · DISTRICT 8
Gunsmoke 1-40 B #2LS
Martin County · Spraberry (Trend Area) field · Producing · Horizontal
Gunsmoke 1-40 B #2LS (API 42-317-43440) is a horizontal well in Martin County operated by Diamondback E&P LLC, completed July 27, 2021 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued March 11, 2021, permitted to 13,000 ft.
Completion filings report 10 formation tops, including Santa Rosa, Yates, Queen, Grayburg.
Its lease has reported 314K barrels of oil and 718K mcf of gas since May 2021, last reporting in July 2026.
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 LLCMar 11, 2021 |
- 13,000
- total depth, ft
- 1
- permits on file
- Mar 11, 2021
- last permit issued
- Jul 27, 2021
- completed
- 314K
- cumulative oil, bbl
- 718K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · May 2021 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jul 27, 2021
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
Surface location
32.251760, -101.911204
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 |
|---|---|---|---|---|---|---|
| Gunsmoke 1-40 B O-10-56003 | Spraberry (Trend Area) | Diamondback E&P LLC | 1 | 314K | 718K | May 2021 – Jul 2026 |
Oil, barrels lease total
Last 12 months 17,342 · prior 12 31,041(-44%)
Gas, mcf lease total
Last 12 months 140,510 · prior 12 150,596(-7%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Diamondback E&P LLCJul 2021 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 868251-99 | Drill | Diamondback E&P LLC | Mar 8, 2021 | Mar 11, 2021 | Mar 21, 2021 | 13,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-56003 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,825 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Santa Rosa | 1,238 | 1,587 |
| Yates | 2,580 | 245 |
| Queen | 3,475 | -650 |
| Grayburg | 3,595 | -770 |
| San AndresSAN ANDRES - ACTIVE CO2 FLOOD; H | 3,952 | -1,127 |
| Spraberry | 7,535 | -4,710 |
| Cisco | — | — |
| Dean | — | — |
| Pennsylvanian | — | — |
| Wolfcamp | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,847 | 19,014 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,970 | 17.5 | 1,400 S |
| 9.625 | 6,287 | 12.25 | 1,200 S |
| 5.5 | 19,105 | 8.5 | 2,695 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 18, 2021 | Nov 9, 2021 | Yes |
| 00 | Aug 23, 2021 | Aug 18, 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 42-317-43440 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-317-43440 → 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.
Gunsmoke 1-40 A42-317-43439
0.0 KM · Diamondback E&P LLC · Section with this well →
| Santa Rosa | 1,237 | 1,589 |
| Yates | 2,585 | 241 |
| Queen | 3,682 | -856 |
| Grayburg | 4,140 | -1,314 |
| San Andres | 4,349 | -1,523 |
| Clear Fork | 6,604 | -3,778 |
| Spraberry | 7,532 | -4,706 |
| Wolfcamp | — |
11 TOPS · FIRST 8
Gunsmoke 1-40 (Alloc 1-NH)42-317-43178
0.0 KM · Guidon Energy Mgmt Services LLC · Section with this well →
| Santa Rosa | 1,238 | 1,587 |
| Yates | 2,580 | 245 |
| Queen | 3,475 | -650 |
| Grayburg | 3,595 | -770 |
| San Andres | 3,952 | -1,127 |
| Clear Fork | 6,294 | -3,469 |
| Spraberry | 7,535 | -4,710 |
| Dean | 8,854 | -6,029 |
11 TOPS · FIRST 8
Gunsmoke 1-40 (Alloc-2NH)42-317-43177
0.0 KM · Guidon Energy Mgmt Services LLC · Section with this well →
| Santa Rosa | 1,238 | 1,589 |
| Yates | 2,580 | 247 |
| Queen | 3,475 | -648 |
| Grayburg | 3,595 | -768 |
| San Andres | 3,952 | -1,125 |
| Clear Fork | 6,294 | -3,467 |
| Spraberry | 7,535 | -4,708 |
| Dean | 8,854 | -6,027 |
11 TOPS · FIRST 8
Quattle-Rogers 6G42-317-43301
1.3 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Santa Rosa | 1,255 | 1,596 |
| Yates | 2,597 | 254 |
| Queen | 3,423 | -572 |
| Grayburg | 3,858 | -1,007 |
| San Andres | 4,099 | -1,248 |
| Spraberry | 7,522 | -4,671 |
| Dean | 8,828 | -5,977 |
| Wolfcamp | 9,034 | -6,183 |
10 TOPS · FIRST 8
Quattle-Rogers 6B42-317-43296
1.3 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Santa Rosa | 1,270 | 1,581 |
| Yates | 2,600 | 251 |
| Queen | 3,422 | -571 |
| Grayburg | 3,857 | -1,006 |
| San Andres | 4,095 | -1,244 |
| Spraberry | 7,515 | -4,664 |
| Dean | 8,826 | -5,975 |
| Wolfcamp | 9,000 | -6,149 |
10 TOPS · FIRST 8
Quattle-Rogers 6I42-317-43303
1.3 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Santa Rosa | 1,268 | 1,583 |
| Yates | 2,602 | 249 |
| Queen | 3,426 | -575 |
| Grayburg | 3,864 | -1,013 |
| San Andres | 4,105 | -1,254 |
| Spraberry | 7,513 | -4,662 |
| Dean | 8,816 | -5,965 |
| Wolfcamp | 9,022 | -6,171 |
10 TOPS · FIRST 8
Quattle-Rogers 6C42-317-43298
1.3 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Santa Rosa | 1,275 | 1,576 |
| Yates | 2,595 | 256 |
| Queen | 3,425 | -574 |
| Grayburg | 3,859 | -1,008 |
| San Andres | 4,099 | -1,248 |
| Spraberry | 6,248 | -3,397 |
| Dean | 8,794 | -5,943 |
| Wolfcamp | 8,958 | -6,107 |
10 TOPS · FIRST 8
Quattle-Rogers 6D42-317-43300
1.3 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Santa Rosa | 1,288 | 1,563 |
| Yates | 2,590 | 261 |
| Queen | 3,424 | -573 |
| Grayburg | 3,855 | -1,004 |
| San Andres | 4,094 | -1,243 |
| Clear Fork | 6,244 | -3,393 |
| Spraberry | 7,506 | -4,655 |
| Dean | 8,810 | -5,959 |
15 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
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