WELL · 42-461-42035 · DISTRICT 7
UL Leighton D #4H
Upton County · Spraberry (Trend Area) field · Producing · Horizontal
UL Leighton D #4H (API 42-461-42035) is a horizontal well in Upton County operated by Civitas Permian Operating LLC, completed October 11, 2022 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued February 2, 2022, permitted to 9,500 ft.
It was permitted by Hibernia Resources Iii, LLC and has since transferred to Civitas Permian Operating LLC on the wellbore schedule.
Completion filings report 9 formation tops, including Yates, Grayburg, San Andres, Spraberry.
Its lease has reported 134K barrels of oil and 426K mcf of gas since October 2022, last reporting in July 2026.
Operator of record
Permitted by Hibernia Resources III, LLC; the EWA schedule now lists a different operator.
Midland, TX · P-5 Y, filed Aug 4, 2025 · 477 permits on file · (432) 563-8316
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Civitas Permian Operating LLC |
| Production reports | Civitas Permian Operating, LLCthrough Mar 2026 |
| Latest permit | Hibernia Resources III, LLCFeb 2, 2022 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,500
- total depth, ft
- 1
- permits on file
- Feb 2, 2022
- last permit issued
- Oct 11, 2022
- completed
- 134K
- cumulative oil, bbl
- 426K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Oct 2022 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Oct 11, 2022
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
Surface location
31.237587, -101.828954
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Upton 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 Leighton D O-9-21886 | Spraberry (Trend Area) | Civitas Permian Operating, LLC | 1 | 134K | 426K | Oct 2022 – Jul 2026 |
Oil, barrels lease total
Last 12 months 13,239 · prior 12 20,972(-37%)
Gas, mcf lease total
Last 12 months 81,402 · prior 12 89,494(-9%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Hibernia Resources III, LLCOct 2022 → Nov 2023
- 2Civitas Permian Operating, LLCDec 2023 → Mar 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 875988-99 | Drill | Hibernia Resources III, LLC | Jan 11, 2022 | Feb 2, 2022 | May 26, 2022 | 9,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-21886 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,709 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 2,144 | 565 |
| Grayburg | 3,438 | -729 |
| San AndresSAN ANDRES - SALTWATER FLOW | 4,135 | -1,426 |
| Spraberry | 6,537 | -3,828 |
| Wolfcamp | 7,968 | -5,259 |
| Devonian | — | — |
| Ellenburger | — | — |
| Fusselman | — | — |
| Strawn | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,628 | 16,289 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 652 | 17.5 | 915 S |
| 9.625 | 8,162 | 12.25 | 2,140 S |
| 5.5 | 16,407 | 8.5 | 3,190 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 | Feb 10, 2023 | Dec 20, 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 42-461-42035 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-461-42035 → 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 Leighton C42-461-42034
0.0 KM · Hibernia Resources III, LLC · Section with this well →
| Yates | 2,148 | 561 |
| Grayburg | 3,441 | -732 |
| San Andres | 4,141 | -1,432 |
| Spraberry | 6,532 | -3,823 |
| Wolfcamp | 7,957 | -5,248 |
| Fusselman | — | |
| Devonian | — | |
| Ellenburger | — |
9 TOPS · FIRST 8
UL Leighton E42-461-42036
0.0 KM · Hibernia Resources III, LLC · Section with this well →
| Yates | 2,146 | 563 |
| Grayburg | 3,438 | -729 |
| San Andres | 4,126 | -1,417 |
| Spraberry | 6,542 | -3,833 |
| Wolfcamp | 7,978 | -5,269 |
| Devonian | — | |
| Strawn | — | |
| Fusselman | — |
9 TOPS · FIRST 8
UL Leighton B42-461-42033
0.0 KM · Hibernia Resources III, LLC · Section with this well →
| Yates | 2,144 | 565 |
| Grayburg | 3,432 | -723 |
| San Andres | 4,146 | -1,437 |
| Spraberry | 6,521 | -3,812 |
| Wolfcamp | 7,941 | -5,232 |
| Ellenburger | — | |
| Devonian | — | |
| Fusselman | — |
9 TOPS · FIRST 8
UL Leighton F42-461-42037
0.0 KM · Hibernia Resources III, LLC · Section with this well →
| Yates | 2,144 | 565 |
| Grayburg | 3,434 | -725 |
| San Andres | 4,122 | -1,413 |
| Spraberry | 6,539 | -3,830 |
| Wolfcamp | 7,976 | -5,267 |
| Devonian | — | |
| Ellenburger | — | |
| Fusselman | — |
9 TOPS · FIRST 8
UL Leighton A42-461-42032
0.0 KM · Hibernia Resources III, LLC · Section with this well →
| Yates | 2,147 | 561 |
| Grayburg | 3,435 | -727 |
| San Andres | 4,145 | -1,437 |
| Spraberry | 6,520 | -3,812 |
| Wolfcamp | 7,937 | -5,229 |
| Devonian | — | |
| Strawn | — | |
| Fusselman | — |
9 TOPS · FIRST 8
University '21'42-461-34345
2.6 KM · Xri Disposal Holdings, LLC · Section with this well →
| Yates | 2,200 | 519 |
| Grayburg | 3,535 | -816 |
| San Andres | 3,798 | -1,079 |
| San Andres | 4,086 | -1,367 |
| Clear Fork | 4,719 | -2,000 |
| Glorieta | 4,881 | -2,162 |
| Spraberry | 6,665 | -3,946 |
| JO Miill | 7,530 | -4,811 |
16 TOPS · FIRST 8
Humperdinck A42-461-42847
3.2 KM · TRP Operating LLC · Section with this well →
| Yates | 2,270 | 424 |
| Grayburg | 3,608 | -914 |
| San Andres | 4,157 | -1,463 |
| Spraberry | 6,758 | -4,064 |
| Strawn | — | |
| Devonian | — | |
| Ellenburger | — | |
| Fusselman | — |
9 TOPS · FIRST 8
Humperdinck A42-461-42846
3.2 KM · TRP Operating LLC · Section with this well →
| Yates | 2,239 | 456 |
| Grayburg | 3,611 | -916 |
| San Andres | 4,174 | -1,479 |
| Spraberry | 6,764 | -4,069 |
| Wolfcamp | 8,276 | -5,581 |
| Devonian | — | |
| Fusselman | — | |
| Strawn | — |
9 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/46142035, documented in the API reference.