WELL · 42-283-34645 · DISTRICT 1
STS A #2S
LA Salle County · A.W.P. (Olmos) field · Vertical
Sts A #2S (API 42-283-34645) is a well in La Salle County operated by Sierra Resources LLC, completed April 10, 2014.
The RRC has issued 2 drilling permits between 2014 and 2017, permitted to 10,000 ft.
Completion filings report 15 formation tops, including Sparta, Queen City, Reklaw, B/ Carrizo.
Its 2 leases have reported 7.73K barrels of oil and 104K mcf of gas since December 2013, last reporting in July 2026. The leases carry 9 wells, so these are lease totals, not this well alone.
It holds an active disposal or injection permit, with 10.8K barrels injected in the 12 months reported through October 2025; TexNet located 0 M2+ earthquakes within 10 km over the last two years.
Operator of record
Houston, TX · P-5 Y, filed Jul 2, 2021 · 72 permits on file · (832) 814-5586
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Sierra Resources LLC |
| Production reports | Sierra Resources, LLCthrough Oct 2017 |
| Latest permit | Sierra Resources, LLCJul 12, 2017 |
- 10,000
- total depth, ft
- 2
- permits on file
- Jul 12, 2017
- last permit issued
- Apr 10, 2014
- completed
- 7.73K
- cumulative oil, bbl
- 104K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Dec 2013 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Apr 10, 2014
- Shut in
- —
- Plugged
- —
Surface location
28.246823, -98.816652
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in LA Salle County.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Texas reports oil by lease, not by well. These are the 2 leases this well is completed on; they carry 9 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| STS A G-1-283332 | Big Alamo (5550) | Crescent Energy Operating, LLC | 1 | 0 | 0 | Jan 2018 – Jul 2026 |
| STS 'A' O-1-17556 | A.W.P. (Olmos) | Sierra Resources, LLC | 8 | 7.73K | 104K | Dec 2013 – Jun 2018 |
No volumes reported on these leases in the last three years.
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Welhausen Operating Company, LPFeb 2014 → Oct 2014
- 2Sierra Resources, LLCNov 2014 → Oct 2017
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 828603-99 | Recompletion | Sierra Resources, LLC | Jul 10, 2017 | Jul 12, 2017 | Oct 24, 2017 | 9,428 |
| 781943-99 | Drill | Welhausen Operating Company, LP | Mar 12, 2014 | Mar 17, 2014 | Mar 23, 2014 | 10,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-1-283332 | — | — | — | — |
| — | — O-1-17556 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 322 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Sparta | 1,966 | -1,644 |
| Queen City | 2,226 | -1,904 |
| Reklaw | 3,427 | -3,105 |
| B/ Carrizo | 5,156 | -4,834 |
| Wales | 5,788 | -5,466 |
| Midway | 6,487 | -6,165 |
| OlmosOLMOS - DISPOSAL | 8,996 | -8,674 |
| Austin Chalk | — | — |
| BudaBUDA - H2S | — | — |
| Eagle FordEAGLE FORD - H2S | — | — |
| EdwardsEDWARDS - H2S | — | — |
| Escondido | — | — |
| OlmosOLMOS - DISPOSAL | — | — |
| PearsallPEARSALL - H2S | — | — |
| WilcoxWILCOX - DISPOSAL | — | — |
| Yegua | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,704 | 5,734 | Perforated |
| 9,194 | 9,202 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 12.25 | 5,052 | 9.625 | 1,659 S |
| 9.625 | 5,052 | 12.25 | 1,659 S |
| 8.75 | 9,383 | 7 | 1,168 S |
| 7 | 9,383 | 8.75 | 1,168 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 26, 2018 | Feb 26, 2018 | — |
| 00 | Aug 23, 2016 | Jul 20, 2016 | Yes |
| 00 | Jul 21, 2014 | May 13, 2014 | 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 42-283-34645 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-283-34645 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward). 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.
STS 'A'42-283-34432
1.4 KM · Welhausen Operating Company, LP · Section with this well →
| Sparta | 1,966 | -1,630 |
| Queen City | 2,226 | -1,890 |
| Reklaw | 3,480 | -3,144 |
| Carrizo | 3,959 | -3,623 |
| B/Carrizo | 5,188 | -4,852 |
| B/ Carrizo | 5,188 | -4,852 |
| Wales | 5,755 | -5,419 |
| Midway | 6,500 | -6,164 |
20 TOPS · FIRST 8
STS 'A'42-283-37101
2.2 KM · Sandpoint Operating, LLC · Section with this well →
| Sparta | 1,763 | -1,422 |
| Queen City | 2,010 | -1,669 |
| Wilcox | 3,734 | -3,393 |
| Escondido | 7,107 | -6,766 |
| Olmos | 8,855 | -8,514 |
| Buda | — | |
| Yegua | — | |
| Eagle Ford | — |
10 TOPS · FIRST 8
SP542-283-37208
2.6 KM · Blackbrush O & G, LLC · Section with this well →
| Yegua | 450 | -108 |
| Sparta | 1,718 | -1,376 |
| Queen City | 1,965 | -1,623 |
| Wilcox | 4,932 | -4,590 |
| Escondido | 7,085 | -6,743 |
| Olmos | 8,837 | -8,495 |
| Austin Chalk | — | |
| Edwards | — |
10 TOPS · FIRST 8
SP542-283-37209
2.6 KM · Blackbrush O & G, LLC · Section with this well →
| Yegua | 660 | -318 |
| Sparta | 1,718 | -1,376 |
| Queen City | 1,965 | -1,623 |
| Wilcox | 4,879 | -4,537 |
| Escondido | 7,103 | -6,761 |
| Olmos | 8,820 | -8,478 |
| Eagle Ford | — | |
| Austin Chalk | — |
10 TOPS · FIRST 8
Sr Altuve42-283-36513
3.3 KM · Sierra Resources, LLC · Section with this well →
| Sparta | 1,774 | -1,401 |
| Queen City | 1,987 | -1,614 |
| Wilcox | 4,925 | -4,552 |
| Escondido | 7,505 | -7,132 |
| Olmos | 8,768 | -8,395 |
| Edwards | — | |
| Yegua | — | |
| Eagle Ford | — |
10 TOPS · FIRST 8
Sr Bregman42-283-36511
3.3 KM · Sierra Resources, LLC · Section with this well →
| Sparta | 1,771 | -1,399 |
| Queen City | 1,941 | -1,569 |
| Wilcox | 4,921 | -4,549 |
| Escondido | 7,517 | -7,145 |
| Olmos | 8,787 | -8,415 |
| Yegua | — | |
| Buda | — | |
| Eagle Ford | — |
10 TOPS · FIRST 8
STS D42-311-37004
3.9 KM · Vermillion Production, Inc. · Section with this well →
| Frio | 200 | 178 |
| Yegua | 2,048 | -1,670 |
| Wilcox | 5,284 | -4,906 |
| Eagle Ford | — | |
| Escondido | — | |
| Austin Chalk | — | |
| Navarro | — | |
| Olmos | — |
10 TOPS · FIRST 8
GB East42-311-37598
4.2 KM · 4020 SWD, LLC · Section with this well →
| Yegua | 900 | |
| Wilcox | 3,700 | |
| Catahoula | — | |
| Eagle Ford | — | |
| Escondido | — | |
| Frio | — | |
| Navarro | — | |
| Olmos | — |
10 TOPS · FIRST 8
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Injection
- 10.8K
- bbl, last 12 reported months
- 1.36M
- bbl, all reported
- Oct 2025
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000115374 | H-1 Injection | Active | 5,000 | 2,850 | 5,700–5,800 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 10,772 · prior 12 27,098(-60%)
TexNet catalog via USGS
Seismicity near this well
- 0
- M2+ events within 10 km, last 2 years
- —
- largest
A proximity count, not an attribution. How to read it →
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/28334645, documented in the API reference.