WELL · 42-317-43703 · DISTRICT 8
UL Mockingbird 13-2 C #2LS
Martin County · Spraberry (Trend Area) field · Producing · Horizontal
UL Mockingbird 13-2 C #2LS (API 42-317-43703) is a horizontal well in Martin County operated by Diamondback E&P LLC, completed January 5, 2024 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued July 27, 2021, permitted to 10,480 ft.
Completion filings report 10 formation tops, including Yates, Queen, Grayburg, San Andres.
Its lease has reported 318K barrels of oil and 587K mcf of gas since May 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 LLCJul 27, 2021 |
- 10,480
- total depth, ft
- 2
- permits on file
- Jul 27, 2021
- last permit issued
- Jan 5, 2024
- completed
- 318K
- cumulative oil, bbl
- 587K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · May 2022 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jan 5, 2024
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
Surface location
32.408661, -102.190833
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 Mockingbird 13-2 C O-10-57586 | Spraberry (Trend Area) | Diamondback E&P LLC | 1 | 318K | 587K | May 2022 – Jul 2026 |
Oil, barrels lease total
Last 12 months 28,694 · prior 12 34,856(-18%)
Gas, mcf lease total
Last 12 months 133,533 · prior 12 97,789(+37%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Diamondback E&P LLCMay 2022 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 871529-98 | Drill | Diamondback E&P LLC | Oct 4, 2021 | Jul 27, 2021 | Jan 5, 2022 | 9,490 |
| 871529-99 | Drill | Diamondback E&P LLC | Jul 26, 2021 | Jul 27, 2021 | Jan 5, 2022 | 10,480 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-57586 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,920 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 3,032 | -112 |
| Queen | 3,669 | -749 |
| Grayburg | 4,064 | -1,144 |
| San AndresSAN ANDRES - ACTIVE CO2 FLOOD; H | 4,492 | -1,572 |
| Spraberry | 8,282 | -5,362 |
| Cisco | — | — |
| Dean | — | — |
| Pennsylvanian | — | — |
| Santa Rosa | — | — |
| Wolfcamp | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,238 | 20,491 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 11.75 | 1,823 | 14.75 | 930 S |
| 8.625 | 6,622 | 11 | 1,070 S |
| 7.875 | 20,609 | 5.5 | 2,095 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 25, 2024 | Feb 21, 2024 | Yes |
| 00 | Oct 7, 2022 | Aug 15, 2022 | 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 42-317-43703 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-317-43703 → 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 Mockingbird 2-13 D42-317-43707
0.0 KM · Diamondback E&P LLC · Section with this well →
| Yates | 3,025 | -105 |
| Queen | 3,658 | -738 |
| Grayburg | 4,064 | -1,144 |
| San Andres | 4,493 | -1,573 |
| Clear Fork | 6,518 | -3,598 |
| Spraberry | 8,282 | -5,362 |
| Dean | 9,563 | -6,643 |
| Wolfcamp | 9,745 | -6,825 |
11 TOPS · FIRST 8
UL Mockingbird 2-13 B42-317-43702
0.0 KM · Diamondback E&P LLC · Section with this well →
| Yates | 3,037 | -117 |
| Queen | 3,673 | -753 |
| Grayburg | 4,063 | -1,143 |
| San Andres | 5,589 | -2,669 |
| Clear Fork | 6,507 | -3,587 |
| Spraberry | 8,281 | -5,361 |
| Wolfcamp | — | |
| Cisco | — |
10 TOPS · FIRST 8
UL Mockingbird 13-2 E42-317-43843
0.0 KM · Diamondback E&P LLC · Section with this well →
| Yates | 3,024 | -104 |
| Queen | 3,658 | -738 |
| Grayburg | 4,061 | -1,141 |
| San Andres | 4,486 | -1,566 |
| Spraberry | 8,283 | -5,363 |
| Cisco | — | |
| Dean | — | |
| Pennsylvanian | — |
10 TOPS · FIRST 8
UL Mockingbird 2-13 A42-317-43700
0.0 KM · Diamondback E&P LLC · Section with this well →
| Yates | 3,025 | -105 |
| Queen | 3,664 | -744 |
| Grayburg | 4,066 | -1,146 |
| San Andres | 4,492 | -1,572 |
| Clear Fork | 6,510 | -3,590 |
| Spraberry | 8,280 | -5,360 |
| Santa Rosa | — | |
| Wolfcamp | — |
11 TOPS · FIRST 8
UL 0312 E142-317-41947
0.7 KM · QEP Energy Company · Section with this well →
| Santa Rosa | 1,418 | 1,504 |
| Yates | 2,980 | -58 |
| Queen | 3,930 | -1,008 |
| Grayburg | 4,468 | -1,546 |
| San Andres | 4,629 | -1,707 |
| Spraberry | 8,282 | -5,360 |
| Dean | — | |
| Pennsylvanian | — |
10 TOPS · FIRST 8
UL 0312 E242-317-41948
0.7 KM · QEP Energy Company · Section with this well →
| Santa Rosa | 1,414 | 1,508 |
| Yates | 2,983 | -61 |
| Queen | 3,934 | -1,012 |
| Grayburg | 4,469 | -1,547 |
| San Andres | 4,631 | -1,709 |
| Spraberry | 8,288 | -5,366 |
| Wolfcamp | — | |
| Strawn | — |
11 TOPS · FIRST 8
UL 0312 E342-317-41949
0.7 KM · QEP Energy Company · Section with this well →
| Santa Rosa | 1,418 | 1,504 |
| Yates | 2,980 | -58 |
| Queen | 3,933 | -1,011 |
| Grayburg | 4,469 | -1,547 |
| San Andres | 4,634 | -1,712 |
| Spraberry | 8,292 | -5,370 |
| Dean | 9,545 | -6,623 |
| Wolfcamp | 9,725 | -6,803 |
10 TOPS · FIRST 8
UL 0312 E442-317-41950
0.7 KM · QEP Energy Company · Section with this well →
| Santa Rosa | 1,421 | 1,502 |
| Yates | 2,983 | -60 |
| Queen | 3,938 | -1,015 |
| Grayburg | 4,474 | -1,551 |
| San Andres | 4,637 | -1,714 |
| Spraberry | 8,286 | -5,363 |
| Wolfcamp | — | |
| Cisco | — |
14 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/31743703, documented in the API reference.