WELL · 42-461-42745 · DISTRICT 7
Larissa 1 #01MS
Upton County · Spraberry (Trend Area) field · Producing · Horizontal
Larissa 1 #01MS (API 42-461-42745) is a horizontal well in Upton County operated by Summit Petroleum LLC, completed October 3, 2024 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued March 27, 2024, permitted to 7,700 ft.
Completion filings report 10 formation tops, including San Andres, Clear Fork, Spraberry, Devonian.
Its lease has reported 90.7K barrels of oil and 411K mcf of gas since June 2024, last reporting in July 2026.
Operator of record
Midland, TX · P-5 Y, filed Jan 5, 2026 · 1,062 permits on file · (432) 559-7068
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Summit Petroleum LLC |
| Production reports | Summit Petroleum LLCthrough Apr 2026 |
| Latest permit | Summit Petroleum LLCMar 27, 2024 |
- 7,700
- total depth, ft
- 1
- permits on file
- Mar 27, 2024
- last permit issued
- Oct 3, 2024
- completed
- 90.7K
- cumulative oil, bbl
- 411K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jun 2024 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Oct 3, 2024
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
Surface location
31.309789, -102.120330
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 |
|---|---|---|---|---|---|---|
| Larissa 1 O-9-22680 | Spraberry (Trend Area) | Summit Petroleum LLC | 1 | 90.7K | 411K | Jun 2024 – Jul 2026 |
Oil, barrels lease total
Last 12 months 26,123 · prior 12 64,552(-60%)
Gas, mcf lease total
Last 12 months 230,540 · prior 12 180,857(+27%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Summit Petroleum LLCOct 2024 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 898319-99 | Drill | Summit Petroleum LLC | Mar 22, 2024 | Mar 27, 2024 | Jun 1, 2024 | 7,700 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-22680 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,780 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| San AndresSAN ANDRES - SALTWATER FLOW | 4,317 | -1,537 |
| Clear ForkCLEARFORK | 6,173 | -3,393 |
| Spraberry | 6,731 | -3,951 |
| Devonian | — | — |
| Ellenburger | — | — |
| Fusselman | — | — |
| Grayburg | — | — |
| Strawn | — | — |
| Wolfcamp | — | — |
| Yates | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,324 | 13,421 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 586 | 17.5 | 613 S |
| 8.625 | 6,588 | 11 | 1,135 S |
| 5.5 | 13,568 | 7.875 | 1,964 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 | Jan 9, 2025 | Dec 1, 2024 | — |
| 00 | Aug 28, 2024 | Aug 16, 2024 | 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 42-461-42745 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-461-42745 → 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.
Taylor 142-461-42728
1.7 KM · Summit Petroleum LLC · Section with this well →
| San Andres | 4,250 | -1,533 |
| Clear Fork | 6,100 | -3,383 |
| Spraberry | 6,706 | -3,989 |
| Spraberry | 7,364 | -4,647 |
| Devonian | — | |
| Wolfcamp | — | |
| Yates | — | |
| Grayburg | — |
11 TOPS · FIRST 8
Amacker 65-12442-461-43109
3.6 KM · Civitas Permian Operating, LLC · Section with this well →
| Yates | 2,688 | 88 |
| Grayburg | 4,373 | -1,597 |
| San Andres | 4,599 | -1,823 |
| Clear Fork | 6,338 | -3,562 |
| Spraberry | 7,218 | -4,442 |
| Wolfcamp | 8,428 | -5,652 |
| Strawn | 10,190 | -7,414 |
| Devonian | 11,443 | -8,667 |
10 TOPS · FIRST 8
Aurelia 142-461-42672
5.6 KM · Summit Petroleum LLC · Section with this well →
| San Andres | 4,505 | -1,763 |
| Clear Fork | 6,213 | -3,471 |
| Spraberry | 6,893 | -4,151 |
| Spraberry | 7,632 | -4,890 |
| Wolfcamp | — | |
| Devonian | — | |
| Ellenburger | — | |
| Fusselman | — |
11 TOPS · FIRST 8
Shirk, J.H. Estate42-461-32612
5.6 KM · Pogo Producing Co. · Section with this well →
| Rustler | 1,530 | 1,259 |
| Grayburg | 3,991 | -1,202 |
| San Andres | 4,139 | -1,350 |
| Leonard | 4,940 | -2,151 |
| Dean | 7,470 | -4,681 |
| Wolfcamp | 7,568 | -4,779 |
| Cisco | 8,600 | -5,811 |
| Strawn | 9,164 | -6,375 |
9 TOPS · FIRST 8
Emma A42-461-40913
6.5 KM · Summit Petroleum LLC · Section with this well →
| San Andres | 5,200 | -2,477 |
| Spraberry | 7,500 | -4,777 |
| Wolfcamp | 8,800 | -6,077 |
| Fusselman | — | |
| Ellenburger | — | |
| Devonian | — | |
| Yates | — | |
| Strawn | — |
9 TOPS · FIRST 8
Scott Thomas42-461-42761
7.0 KM · Custer & Wright Operating, Inc. · Section with this well →
| Yates | 2,790 | 277 |
| Grayburg | 3,980 | -913 |
| San Andres | 4,110 | -1,043 |
| Spraberry | 5,820 | -2,753 |
| Wolfcamp | 7,425 | -4,358 |
| Strawn | 8,475 | -5,408 |
| Ellenburger | — | |
| Fusselman | — |
9 TOPS · FIRST 8
Makenna 242-461-43125
7.5 KM · Summit Petroleum LLC · Section with this well →
| San Andres | 4,112 | -1,546 |
| Clear Fork | 5,958 | -3,392 |
| Spraberry | 6,676 | -4,110 |
| Spraberry | 7,366 | -4,800 |
| Yates | — | |
| Devonian | — | |
| Ellenburger | — | |
| Fusselman | — |
11 TOPS · FIRST 8
Makenna 142-461-43124
7.5 KM · Summit Petroleum LLC · Section with this well →
| San Andres | 4,139 | -1,573 |
| Spraberry | 6,769 | -4,203 |
| Spraberry | 7,459 | -4,893 |
| Devonian | — | |
| Ellenburger | — | |
| Fusselman | — | |
| Strawn | — | |
| Wolfcamp | — |
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/46142745, documented in the API reference.