WELL · 42-461-36142 · DISTRICT 7
Lone Star 73D #1
Upton County · Spraberry (Trend Area) field · Producing · Vertical
Lone Star 73d #1 (API 42-461-36142) is a well in Upton County operated by Diamondback E&P LLC, completed March 11, 2009 and listed as producing on the RRC schedule.
The RRC has issued 2 drilling permits between 2008 and 2018, permitted to 12,000 ft.
It was permitted by Endeavor Energy Resources L.P. and has since transferred to Diamondback E&P LLC on the wellbore schedule.
Completion filings report 5 formation tops, including Clear Fork, Spraberry, Dean, Wolfcamp.
Its lease has reported 62.7K barrels of oil and 160K mcf of gas since January 2009, last reporting in July 2026.
Operator of record
Permitted by Endeavor Energy Resources L.P.; the EWA schedule now lists a different operator.
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 | Endeavor Energy Resources L.P.Jun 13, 2018 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 12,000
- total depth, ft
- 2
- permits on file
- Jun 13, 2018
- last permit issued
- Mar 11, 2009
- completed
- 62.7K
- cumulative oil, bbl
- 160K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 2009 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Mar 11, 2009
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
Surface location
31.453497, -102.077409
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 |
|---|---|---|---|---|---|---|
| Lone Star "73D" O-9-16875 | Spraberry (Trend Area) | Diamondback E&P LLC | 1 | 62.7K | 160K | Jan 2009 – Jul 2026 |
Oil, barrels lease total
Last 12 months 955 · prior 12 1,330(-28%)
Gas, mcf lease total
Last 12 months 1,169 · prior 12 2,549(-54%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1LCX Energy, LLCJan 2009 → Sep 2009
- 2Endeavor Energy Resources L.P.Oct 2009 → Dec 2024
- 3Diamondback E&P LLCJan 2025 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 841136-99 | Recompletion | Endeavor Energy Resources L.P. | Jun 12, 2018 | Jun 13, 2018 | — | 11,331 |
| 672288-99 | Drill | LCX Energy, LLC | Oct 1, 2008 | Oct 10, 2008 | Oct 21, 2008 | 12,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-16875 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,798 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Clear ForkCLEARFORK LIME | 7,275 | -4,477 |
| Spraberry | 7,550 | -4,752 |
| Dean | 8,850 | -6,052 |
| WolfcampWOLFCAMP LIME | 9,000 | -6,202 |
| PennsylvanianPENN LIME | 10,475 | -7,677 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,467 | 10,466 | Perforated |
| 7,467 | 11,164 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 450 | 17.5 | 400 S |
| 8.625 | 5,083 | 11 | 700 S |
| 4.5 | 11,331 | 7.875 | 1,550 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 | Aug 27, 2018 | Jul 20, 2018 | — |
| 00 | May 13, 2009 | Mar 27, 2009 | Yes |
| 00 | Apr 9, 2009 | — | — |
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 42-461-36142 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-461-36142 → 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.
Lone Star '73E'42-461-36150
0.9 KM · LCX Energy, LLC · Section with this well →
| Yates | 2,600 | 189 |
| Spraberry | 7,525 | -4,736 |
| Dean | 8,825 | -6,036 |
| Wolfcamp | 8,975 | -6,186 |
| Strawn | 10,612 | -7,823 |
| Bend | 10,750 | -7,961 |
| Bend | 10,810 | -8,021 |
| Atoka | 11,200 | -8,411 |
Lone Star '73F'42-461-36315
1.5 KM · LCX Energy, LLC · Section with this well →
| Yates | 2,575 | 216 |
| Spraberry | 7,475 | -4,684 |
| Dean | 8,800 | -6,009 |
| Wolfcamp | 8,950 | -6,159 |
| Pennsylvanian | 10,425 | -7,634 |
| Strawn | 10,425 | -7,634 |
| Bend | 10,808 | -8,017 |
| Atoka | 11,225 | -8,434 |
9 TOPS · FIRST 8
Cordes42-461-34880
2.0 KM · LCX Energy, LLC · Section with this well →
| Yates | 2,630 | 184 |
| San Andres | 4,950 | -2,136 |
| Spraberry | 8,000 | -5,186 |
| Dean | 8,700 | -5,886 |
| Wolfcamp | 9,225 | -6,411 |
| Wolfcamp | 10,000 | -7,186 |
| Strawn | 10,265 | -7,451 |
Cordes42-461-34739
2.2 KM · Perenco LLC · Section with this well →
| Grayburg | 4,846 | -2,032 |
| Clear Fork | 6,679 | -3,865 |
| Spraberry | 7,470 | -4,656 |
| Strawn | 10,275 | -7,461 |
| Atoka | — |
Graf, J.H. NCT-442-461-02982
2.3 KM · Rayden · Section with this well →
| Yates | 2,610 | 188 |
| San Andres | 4,770 | -1,972 |
| Spraberry | 7,578 | -4,780 |
Callie 142-461-43436
3.1 KM · Summit Petroleum LLC · Section with this well →
| San Andres | 4,739 | -1,922 |
| Clear Fork | 6,664 | -3,847 |
| Spraberry | 6,664 | -3,847 |
| Spraberry | 8,146 | -5,329 |
| Grayburg | — | |
| Devonian | — | |
| Ellenburger | — | |
| Fusselman | — |
11 TOPS · FIRST 8
Callie 242-461-43437
3.1 KM · Summit Petroleum LLC · Section with this well →
| San Andres | 4,732 | -1,915 |
| Clear Fork | 6,657 | -3,840 |
| Spraberry | 7,504 | -4,687 |
| Spraberry | 8,136 | -5,319 |
| Grayburg | — | |
| Devonian | — | |
| Strawn | — | |
| Wolfcamp | — |
11 TOPS · FIRST 8
Callie 342-461-43438
3.1 KM · Summit Petroleum LLC · Section with this well →
| San Andres | 4,764 | -1,947 |
| Clear Fork | 6,653 | -3,836 |
| Spraberry | 7,495 | -4,678 |
| Spraberry | 8,114 | -5,297 |
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/46136142, documented in the API reference.