WELL · 42-317-43660 · DISTRICT 8
UL Comanche T 29-42 #4WA
Martin County · Spraberry (Trend Area) field · Producing · Horizontal
UL Comanche T 29-42 #4WA (API 42-317-43660) is a horizontal well in Martin County operated by Diamondback E&P LLC, completed November 22, 2022 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued August 16, 2021, permitted to 10,906 ft.
Completion filings report 10 formation tops, including Yates, Queen, Grayburg, San Andres.
Its lease has reported 376K barrels of oil and 276K mcf of gas since November 2022, 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 LLCAug 16, 2021 |
- 10,906
- total depth, ft
- 2
- permits on file
- Aug 16, 2021
- last permit issued
- Nov 22, 2022
- completed
- 376K
- cumulative oil, bbl
- 276K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Nov 2022 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Nov 22, 2022
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
Surface location
32.481976, -102.192540
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 |
|---|---|---|---|---|---|---|
| UL Comanche T 29-42 O-10-59092 | Spraberry (Trend Area) | Diamondback E&P LLC | 1 | 376K | 276K | Nov 2022 – Jul 2026 |
Oil, barrels lease total
Last 12 months 38,170 · prior 12 50,053(-24%)
Gas, mcf lease total
Last 12 months 41,387 · prior 12 44,688(-7%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Diamondback E&P LLCNov 2022 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 870937-98 | Drill | Diamondback E&P LLC | Feb 10, 2022 | Aug 16, 2021 | May 5, 2022 | 10,906 |
| 870937-99 | Drill | Diamondback E&P LLC | Jul 1, 2021 | Aug 16, 2021 | May 5, 2022 | 10,750 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-59092 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,899 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 2,973 | -74 |
| Queen | 3,660 | -761 |
| Grayburg | 4,094 | -1,195 |
| San AndresSAN ANDRES - ACTIVE CO2 FLOOD; H | 4,473 | -1,574 |
| Spraberry | 8,250 | -5,351 |
| Dean | 9,490 | -6,591 |
| Wolfcamp | 9,646 | -6,747 |
| Cisco | — | — |
| Pennsylvanian | — | — |
| Santa Rosa | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,106 | 20,410 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 11.75 | 1,990 | 14.75 | 960 S |
| 8.625 | 5,940 | 11 | 1,150 S |
| 5.5 | 20,477 | 7.875 | 1,955 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 | Jun 16, 2023 | May 16, 2023 | 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 42-317-43660 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-317-43660 → 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.
UL Comanche S 29-4242-317-43661
0.0 KM · Diamondback E&P LLC · Section with this well →
| Yates | 2,978 | -79 |
| Queen | 3,665 | -766 |
| Grayburg | 4,092 | -1,193 |
| San Andres | 4,474 | -1,575 |
| Clear Fork | 6,427 | -3,528 |
| Spraberry | 8,267 | -5,368 |
| Cisco | — | |
| Wolfcamp | — |
10 TOPS · FIRST 8
UL Comanche U 29-4242-317-43659
0.0 KM · Diamondback E&P LLC · Section with this well →
| Yates | 2,977 | -78 |
| Queen | 3,662 | -763 |
| Grayburg | 4,098 | -1,199 |
| San Andres | 4,477 | -1,578 |
| Clear Fork | 6,414 | -3,515 |
| Spraberry | 8,253 | -5,354 |
| Cisco | — | |
| Wolfcamp | — |
10 TOPS · FIRST 8
UL Comanche V 29-4242-317-43658
0.0 KM · Diamondback E&P LLC · Section with this well →
| Yates | 2,973 | -74 |
| Queen | 3,663 | -764 |
| Grayburg | 4,096 | -1,197 |
| San Andres | 4,476 | -1,577 |
| Clear Fork | 6,422 | -3,523 |
| Spraberry | 8,252 | -5,353 |
| Santa Rosa | — | |
| Wolfcamp | — |
10 TOPS · FIRST 8
UL Comanche R 29-4242-317-43662
0.0 KM · Diamondback E&P LLC · Section with this well →
| Yates | 2,978 | -79 |
| Queen | 3,668 | -769 |
| Grayburg | 4,094 | -1,195 |
| San Andres | 4,473 | -1,574 |
| Spraberry | 8,254 | -5,355 |
| Cisco | — | |
| Wolfcamp | — | |
| Santa Rosa | — |
10 TOPS · FIRST 8
UL Comanche Q 29-4242-317-43671
0.0 KM · Diamondback E&P LLC · Section with this well →
| Yates | 2,972 | -73 |
| Queen | 3,664 | -765 |
| Grayburg | 4,099 | -1,200 |
| San Andres | 4,478 | -1,579 |
| Clear Fork | 6,428 | -3,529 |
| Spraberry | 8,254 | -5,355 |
| Dean | 9,506 | -6,607 |
| Wolfcamp | 9,654 | -6,755 |
10 TOPS · FIRST 8
UL Comanche J 29-4242-317-43394
0.5 KM · Diamondback E&P LLC · Section with this well →
| Yates | 2,933 | -47 |
| Seven Rivers | 3,149 | -263 |
| Queen | 3,912 | -1,026 |
| Grayburg | 4,045 | -1,159 |
| San Andres | 4,417 | -1,531 |
| Glorieta | 5,406 | -2,520 |
| Clear Fork | 6,366 | -3,480 |
| Spraberry | 8,215 | -5,329 |
11 TOPS · FIRST 8
UL Comanche H 29-4242-317-43392
0.5 KM · Diamondback E&P LLC · Section with this well →
| Yates | 2,928 | -42 |
| Queen | 3,912 | -1,026 |
| Grayburg | 4,044 | -1,158 |
| San Andres | 4,418 | -1,532 |
| Glorieta | 5,426 | -2,540 |
| Clear Fork | 6,363 | -3,477 |
| Spraberry | 8,206 | -5,320 |
| Wolfcamp | — |
10 TOPS · FIRST 8
UL Comanche I 29-4242-317-43393
0.5 KM · Diamondback E&P LLC · Section with this well →
| Yates | 2,925 | -39 |
| Queen | 3,912 | -1,026 |
| Grayburg | 4,041 | -1,155 |
| San Andres | 4,412 | -1,526 |
| Spraberry | 8,209 | -5,323 |
| Cisco | — | |
| Santa Rosa | — | |
| Pennsylvanian | — |
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/31743660, documented in the API reference.